Re: MD: Q about MDLP - ATRAC3

2001-10-22 Thread Stainless Steel Rat


* Eric Woudenberg, Minidisc.org Editor [EMAIL PROTECTED]  on 
Mon, 22 Oct 2001
| (Well, it's got to be both or neither to be compatible with all
| players, right?) In fact it's true (again, contrary to Mr. Rat's
| free-association-masquerading-as-informed-posting), see
| http://www.minidisc.org/atrac2_paper/3.html where they show the
| particulars of the Huffman code table.

Yep.  My bad.

[...]
| Sony did in fact provide for future expansion by allocating bits in
| the UTOC to indicate different encodings (see
| http://www.minidisc.org/md_toc.html#sec0cstruct), the problem is that
| non-MDLP players seem to ignore the encoding bits and try and play
| everyting as SP audio.

Perhaps it would be more accurate to say that Sony never enforced that bit
as a standard with other vendors.

| 1024/212=4.83.  Saying it removes 4 bits out of every 5 makes it
| sound like it operates without regard to longer periods in the signal,
| which seems misleading.

In hindsight I can see that.  It was not my intent.
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Re: MD: Q about MDLP - ATRAC3

2001-10-21 Thread Stainless Steel Rat


* wolfgang buresch [EMAIL PROTECTED]  on Sun, 21 Oct 2001
| Q#10: What bitrates are used?
| A:.In LP2 and LP4 modes 20 bytes of dummy data per
| 212 byte soundgroup.. -- those 20 bytes -- are they
| a fact or just a wild guess?

They are a fact.  The dummy data is required so that MiniDiscs recorded in
LP modes will not damage older players.  That is, those 20 bytes per sound
group are the equivalent of no sound for older players instead of loud
noise.  That is why you get slightly less than 160 minutes in LP2 mode out
of an MD-80 disc.

Sony had to do it that way becuase they left no room for expansion in the
MD storage algorithm.  Admittedly, they never forsaw a time where anyone
would want to *reduce* recording quality.

| We know from ATRAC1 that it records at (exact) 292162.5 bits/sec. I could
| not find an exact number for ATRAC3 (LP2) -- is it 132300?

Looking at ATRAC in bits per second is somewhat inaccurate because it
doesn't work that way.  An ATRAC encoder gets a 16 bit wide block of data
(Linear PCM, same as CD-DA).  Standard ATRAC removes 4 bits out of every 5
from the signal resulting in a 5:1 reduction ratio.  LP2 is 10:1, removing
9 out of every 10 bits.  LP4 is not 20:1 bitwise reduction, but ~15:1
reduction (I would have to check for the exact figure) combined with
partial stereo channel merging (joint stereo).

| I also read somewhere that LP uses huffman coding (fact?) -- only on
| computers or on MD decks as well?

Fiction.  There is no data compression in any MD ATRAC algorithm.  It is
strictly bitwise reduction via psychoacoustic modeling.

| And last: at Q#18 this nice picture. What do they mean by
| tonal/non-tonal component decoding? where in this picture takes the
| joint stereo stuff place? any thoughts are welcome!

I don't know, specifically.
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MD: Perfect Case

2001-10-19 Thread Stainless Steel Rat


So, the volume controls on my MS-722 are acting flakey.  Which means that
until I get it fixed (assuming I can and do), I've fallen back to my old
MZ-R30.  But I couldn't find the old CaseLogic case I kept it in.  Hrm.  So
I check out the local Best Buy because that is where I got it.  No luck.

But, on impulse, I took a look in the camera section.  Lo and behold, the
perfect case.  It is the Targus mini digital camera case.  One padded
compartment made of synthetic leather lined with nylon with padded nylon
flip cover.  Removable, overly padded shoulder strap.  Belt loop with snap
and some Velcro for added strength.  The MZ-R30 and AirHead amp fit
absolutely perfectly.

And it cost all of $12.50 including tax.
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Re: MD: How long does the media last?

2001-10-16 Thread Stainless Steel Rat


* Eric Ivanoff [EMAIL PROTECTED]  on Tue, 16 Oct 2001
| corruption or some other wear related issue.  How long does the media
| generally live?

Sony claims ~1,000,000 times rewrite capability.  Even low quality MD
blanks should be good for at least 250,000 rewrites.
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Re: MD: ear buds

2001-10-10 Thread Stainless Steel Rat


* macdef [EMAIL PROTECTED]  on Wed, 10 Oct 2001
| For the money ($20), the best earbuds I've heard (by a long shot) are the
| Sennheiser MX-500 which can be found for $15 - $20. I find them to be
| significantly better than the Sony 228s.

The only good (and I use that term loosely) Sony earbuds I've tried are
the 888 series, which cost around $80.  Koss KSC-35 earclips sound very
much better and cost slightly more than 1/3 that, around $30.
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Re: MD: USB Audio Devices

2001-10-07 Thread Stainless Steel Rat


* Alexandre Enkerli [EMAIL PROTECTED]  on Sat, 06 Oct 2001
| My portable came with a Xitel AN1. AFAIK it's pretty similar to the Sony
| PC-Link.

Actually, it is identical to the Sony Analog PC-Link because the PC-Link
kits are made by Xitel.
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Re: MD: Copy protection?

2001-09-27 Thread Stainless Steel Rat


* Wil Harris [EMAIL PROTECTED]  on Thu, 27 Sep 2001
| From what I last read, it prevents CDs being read in CD-ROM drives.
| Michael Jacksons new album is the next up to use it, and it means no MP3
| ripping (until someone cracks it :P)

Ummm... you are a little behind the times, because every implemented
mechanism by which CD-DA is protected has already been circumvented.
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Re: MD: Dropped MZR-900 plays original but not recordable MD

2001-09-24 Thread Stainless Steel Rat


* Jeffrey Scorsone [EMAIL PROTECTED]  on Mon, 24 Sep 2001
| it was still playing :-)  The old ones were built solid!

Partially the miniaturization process.  The smaller you make a thing using
the same materials -- the 90/900 series is made of about the same materials
as the 30/50 -- the more vulnerable it is to damage.
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Re: MD: idle rambling

2001-09-06 Thread Stainless Steel Rat


* las [EMAIL PROTECTED]  on Thu, 06 Sep 2001
| You have to remember that they didn't take the compact cassette and start
| recording video on it.

Actually, there *were* several attempts at doing exactly that, mostly as
childrens' toys.

| When we made the move to home video recording, the tapes were huge
| compared to cassettes.  Even the Beta tape is quite large.

Studio master tape is 1 wide, and is still the medium of choice.  VHS is
3/4 and Beta is... I want to say 2/3.  The point?  Size is relative.

[...]
| My point is that trying to turn Md into a video media doesn't seem
| practical.

Well... maybe it is.  You cannot use analog storage media as a basis for
such a claim, at least.  There is functionally very little difference
between MD2 and a CD-RW.  They just store bits.

| One area where tapes have it over any type of disc system is that tapes
| are not really affected by movement of the recording unit.  Any disc
| system, be it recordable DVD, CD, or mini disc has that shock problem.

I have to break it to you hard: tape mechanisms also have that problem.
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Re: MD: Grouping

2001-08-22 Thread Stainless Steel Rat


* [EMAIL PROTECTED]  on Wed, 22 Aug 2001
| sorry, but these sigs annoy me to no end, considering they are not
| leagaly valid as has been proved in a few small cases that i can't quote
| off hand, and the shear length of them

Never mind the fact that they are three times the length of the actual
message.

To answer the original question, I believe the grouping area is so that
you can create tracks that are actually supersets of tracks.  Playlists, in
other words.
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Re: MD: long-lasting MD

2001-08-21 Thread Stainless Steel Rat


* John S. McLachlan [EMAIL PROTECTED]  on Tue, 21 Aug 2001
| Anyone else heard of this?

It's called MDLP.  Mabe you've heard of it?
:)
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Re: MD: Getting MD output into an OEM Car CD player

2001-08-07 Thread Stainless Steel Rat


* J. Coon [EMAIL PROTECTED]  on Tue, 07 Aug 2001
| player?  I tried one of those FM RF modulators several years back and it
| didn't work too well.  Have they improved any? Is there another way?

No, they have not, and in some areas (like around Boston, MA) they are
totally useless as the FM band is saturated.  Not really, unless your OEM
head unit includes a CD changer option.  Most do not.  If it does, then you
can have a tech run a connector from the line in for the changer out into
the passenger compartment of the car, and you plug into that.  But, like I
said, most OEM head units don't have that option.

I am in much the same situation.  My new car has a 4 CD changer in the
dash, no line in, no cassette.  I will yank it at some point.  But I
haven't decided whether I'm going to put in it, yet.
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Re: MD: Getting MD output into an OEM Car CD player

2001-08-07 Thread Stainless Steel Rat


* Steven Kramer [EMAIL PROTECTED]  on Tue, 07 Aug 2001
| Actually, I have to disagree.  I have had the Sony RM-X69RF FM RF
| modulator in my car in use with MDX-65 for a couple of years now and it
| works flawlessly.

I believe Jim is talking about things like the Wireless Sound Feeder,
exactly the el-cheapo unit you put on the passenger seat.  Those don't work
so well, modulo location.  They are worthless around Boston, but they're
probably quite good up around, say, Burlington, Vermont :).
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Re: MD: Portable storage?

2001-08-03 Thread Stainless Steel Rat


I use a box made for trading card storage, three wide.  Its a little deep,
but the right width.  They're durable and they're cheap.
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Re: MD: MD models

2001-07-23 Thread Stainless Steel Rat


* [EMAIL PROTECTED]  on Mon, 23 Jul 2001
| Does anyone know the sound quality for the following models as far as volume
| is concerned?  I know from previous experience that certain players do not
| play music loud enough. (i.e. you can't listen to your music on a plane
| because the plane's engine is louder than your player will play your music.)

The fault is not the player, here.  The fault is the listener not using
sealed or isolating headphones.  If you find that engine noise is louder
than your player can drive your headphones, your hearing has almost
certainly been damaged already, possibly permanently.  Assuming, of course,
that you are not doing something dumb like using an MZ-R90 to drive
Sennheiser HD-600 headphones :).

| Also, does anyone know which models come with a backlit remote and which ones
| don't?  THanks for your help!

Check the MD Community Pages.
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Re: MD: Sharp MD-MS702 AC adapter

2001-07-13 Thread Stainless Steel Rat


* Shawn Lin [EMAIL PROTECTED]  on Fri, 13 Jul 2001
| Yeah, but they're $50 at Best Buy!

Which is about 1/4 the price of replacing your MD recorder when the
el-cheapo power supply fries it.
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Re: MD: Sharp MD-MS702 AC adapter

2001-07-13 Thread Stainless Steel Rat


* las [EMAIL PROTECTED]  on Fri, 13 Jul 2001
| Most of the Sony Transformers that I have seen are seem are el-cheapos
| that are made in China.

They're still made to power and charge a specific category of portable
electronics.  The Radio Shack adaptors may work.  But I have also seen them
destroy expensive equipment.  I have personally witnessed one such device
destroy a $1000 MP2100, in spite of the fact that its output voltage and
amperage exactly matched (according to the labels) the power required by
the MP.

I will continue to use and recomend what I know works in favor of what
could be catastrophically bad.
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Re: MD: Sharp MD-MS702 AC adapter

2001-07-12 Thread Stainless Steel Rat


* Shawn Lin [EMAIL PROTECTED]  on Thu, 12 Jul 2001
| Nah, just checking to see if anyone had leads on one dirt cheap.  Looks
| like $15 at RS is the cheapest.

Like I said: Sony 4.5V wall bugs work.  I've used one for my 702 and 722
for about as long as I've had them.  I use a Sony 4.5V car power adaptor
for the same recorders.  They work.  They charge.  'Nuff said.
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Re: MD: Sharp MD-MS702 AC adapter

2001-07-11 Thread Stainless Steel Rat


* Shawn Lin [EMAIL PROTECTED]  on Wed, 11 Jul 2001
| Anyone know where to get an inexpensive AC adapter for a Sharp MD-MS702?

4.5V Sony wall wart.
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Re: MD: How to make audio CDR out of Computer CDR

2001-07-11 Thread Stainless Steel Rat


* J. Coon [EMAIL PROTECTED]  on Wed, 11 Jul 2001
| Is there a program that can makee a blank audio grade CDR from  a
| computer grade CDR?

If by that you mean turning a data CD-R into something that can be used in
a home or studio CD-R recording deck, no.  The bits that identify the media
are stamped on the media itself and cannot be changed.

You can thank the RIAA for this one, too.
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Re: MD: MP3 to ATRAC

2001-06-30 Thread Stainless Steel Rat


* I Can Not Tell You [EMAIL PROTECTED]  on Sat, 30 Jun 2001
| But with rate at which the computing power is going. That shouldn't be too
| much of a trouble. It would just be annoying. Wouldn't it?

Well... maybe.  You see, MPEG-1 Layer III audio and ATRAC have different
perceptual coding algorithms.  No matter how much processing power you
have, you still must convert the source data into something that the ATRAC
encoder can process.  Given how ATRAC encoders work, that something is PCM.
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Re: MD: MP3 to ATRAC

2001-06-30 Thread Stainless Steel Rat


* Matt Wall [EMAIL PROTECTED]  on Sat, 30 Jun 2001
| music stick stuff works now.  i doubt (or at least hope that they dont do
| the following) just give you a coded so you have to re-enocde them all of
| your files.  but this is all speculation.  anyway what i'm waiting for is

The transfer mechanism will recode them on the fly, I suspect.  That is,
MP3 to PCM/WAV to ATRAC.
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Re: MD: [Fwd: Digital Recording Experiment (Sorry, No Direct Mando Content)]

2001-06-26 Thread Stainless Steel Rat


* J. Coon [EMAIL PROTECTED]  on Tue, 26 Jun 2001
| To stimulate your thinking, please examine the actual results captured as
| screen grabs from directly out of CoolEdit:

Sorry, Charlie.  Humans don't want images that look good, they want music
that sounds good.  The ugliest picture of a waveform can sound perfectly
normal and natural and good to a human ear.  Waveform analysis without a
solid grasp of perceptual coding is meaningless.
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Re: MD: DVD Recorder--A Lot Like MiniDisc

2001-06-24 Thread Stainless Steel Rat


* Al Kohout [EMAIL PROTECTED]  on Sun, 24 Jun 2001
| will it play on every dvd player??

Maybe.  This is one of the newer DVD-RAM decks which uses MPEG2 instead of
DV (such as 8mm digital camcorders).  Discs recorded on this deck should
play on any DVD-Video deck.  In practice, some less equal DVD-Video decks
may have problems.

DVD-RAM is a phase-change dual medium, similar to CD-RW.  ECMA-272 and
ECMA-273 define the standard.  It uses some MO tech, but it really isn't
much like MD at all.  All of the writable and rewritable DVD media formats
are phase-change or phase-change dual.
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Re: MD: Recording speeds

2001-06-17 Thread Stainless Steel Rat


* Stuart Howlette [EMAIL PROTECTED]  on Sun, 17 Jun 2001
| Did anyone actually receive my apology or did it just dissapear off the face
| of the earth?

I saw it.
Twice, actually.
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Re: MD: Recording speeds

2001-06-17 Thread Stainless Steel Rat


* Marc Britten [EMAIL PROTECTED]  on Sun, 17 Jun 2001
| it probably can, but Firewire has all of the stuff in place. but then
| again so do USB CD-R's

USB CD-R/W is a SCSI hack.  That is, the driver and drive pretent to be
SCSI devices.  USB was never intended to be used for this sort of thing.
It is a low speed bus, like Apple's ADB, intended for keyboards, mice,
tablets, sticks, possibly modems, printers, and other low-bandwidth
devices.  Using it for fast devices like disks and scanners and network
adaptors was not intended but is allowed for.  4x-6x is the absolute
maximum that USB CD-R/W can maintain, and that is if the writer is the only
thing on the bus.  Even a mouse on the same bus can drop that to 1x-2x,
assuming it can keep up at all.

IEEE 1394 was designed from the ground up to be a cheap, fast bus for high
speed data transfer, primarilly disk I/O, with the intention for multimedia
applications like digital audio and video recorders.

USB 1.1's absolute maximum throughput of 11Mbps vs IEEE 1394's current
400Mbps.
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Re: MD: Recording speeds

2001-06-17 Thread Stainless Steel Rat


* las [EMAIL PROTECTED]  on Sun, 17 Jun 2001
| My question is this, does firewire have to be limited to video and audio
| devices?

No.  IEEE 1394 (remember, Firewire is an Apple trademark for one
implementation of IEEE 1394) is a low cost, high speed replacement for SCSI
in the small market (home and small business).  Anything that can be done
over SCSI can hypothetically be done over IEEE 1394, as well as some other
clever hacks like TCP/IP over IEEE 1394 (which actually isn't a new idea,
as DEC has been doing that sort of thing for years).

Its utility in the A/V arena is that it is cheap and fast.  Cheap is
obvious.  Fast is that it is more than fast enough to do realtime audio and
video transmission at full bandwidth for editing and such.
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Re: MD: Recording speeds

2001-06-15 Thread Stainless Steel Rat


* Stuart Howlette [EMAIL PROTECTED]  on Thu, 14 Jun 2001
| Hmm, two companies producing equipment with Firewire does not mean it is THE
| standard as said in the previous e-mail, but a standard, so it is not the
| wrong tense

Is becoming the standard for a/v components is past tense.  That is what
I was commenting on.  IEEE 1394 has been the standard for this sort of
thing for three years.  It was designed specifically for it.

USB has a higher adoption rate, but it is largely useless for a/v work, and
the market knows it.
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Re: MD: Recording speeds

2001-06-15 Thread Stainless Steel Rat


* Stuart Howlette [EMAIL PROTECTED]  on Fri, 15 Jun 2001
| But two companies producing it does not mean its THE standard for a/v
| components does it, as there are more than two companies on the face of the
| planet, so the tense wasn't incorrect

(And people are complaining about me being disagreeable :).

Truth is, there is only one spec for this sort of thing: IEEE 1394.  So
yes, it is the (only) standard for high speed a/v data interconnect.  Call
it Firewire, call it iLink, call it IEEE 1394, it is the standard and has
been that for 3+ years.  What is happening now is growing acceptance and
adoption of that standard in the consumer a/v sector.
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Re: MD: Rebadged MD gear (was: Dolby and Minidisc Patents)

2001-06-15 Thread Stainless Steel Rat


* Shawn Lin [EMAIL PROTECTED]  on Fri, 15 Jun 2001
|  You make it sound like it is impossible for Sony to disable things like
|  that.

| And they would disable it because...

So that consumers don't muck around inside their gear and break things and
return otherwise perfectly good units and cut into their profits.

So that consumers don't find something they shouldn't, like the secret
menu in the APEX A-600 DVD deck.
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Re: MD: Recording speeds

2001-06-15 Thread Stainless Steel Rat


* Stuart Howlette [EMAIL PROTECTED]  on Fri, 15 Jun 2001
| Not a mention of high speed,

Ahem.  The context of this discussion is, paraphrased, moving music from
computers to MD equipment faster than S/PDIF.  S/PDIF doesn't do that
(obviously :).  AES/EBU doesn't do that.  TTL doesn't do that (maybe it
could, but that would be very ugly).  IR controllers don't do that.  PCx
controllers don't do that.  Line out doesn't do that.

The -- singular -- standard for this is IEEE 1394.
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Re: MD: Earphones

2001-06-15 Thread Stainless Steel Rat


* Dan Frakes [EMAIL PROTECTED]  on Fri, 15 Jun 2001
| As for the Sharp jacks that are impedance-sensing, while they may not sound
| as good as a dedicated line out, they are much better than a simple
| headphone jack. You can still use those jacks to hook your portable up to a
| good headphone amp, and you will still hear a significant difference.

What I do.  Even if the headphones don't need an amp they sound better with
one.  Bass is more solid and highs are crisper.  #1 reason I don't
regularly carry either my R90 or R900 instead of my Sharp 722 is because
they don't remember that they're on line out and it cannot be set from the
remotes.
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Re: MD: Recording speeds

2001-06-14 Thread Stainless Steel Rat


* I Can Not Tell You [EMAIL PROTECTED]  on Thu, 14 Jun 2001
| A firewire solution would be better off since it is becoming the standard
| for a/v components that offer pc connectivity.

Wrong tense :).

Apple and Sony have been shipping equipment with IEEE-1394/Firewire for...
three years now.
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Re: MD: Rebadged MD gear (was: Dolby and Minidisc Patents)

2001-06-14 Thread Stainless Steel Rat


* Francisco J. Huerta [EMAIL PROTECTED]  on Thu, 14 Jun 2001
| I mean, disagreeing every once in a while is *good*, but someone who is
| *always* disagreeing about *everything* becomes bothersome after a short
| while.

If I always disagreed about everything... oh, never mind.
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Re: MD: Rebadged MD gear (was: Dolby and Minidisc Patents)

2001-06-13 Thread Stainless Steel Rat


* Shawn Lin [EMAIL PROTECTED]  on Wed, 13 Jun 2001
| I disagree.  Inside my Aiwa XR-H66MD is definitely different than most
| Sony equipment that I've seen.  Aiwa uses Sony parts, and that's as far
| as the similarities go as far as I can tell.  However, just about all my
| audio equipment from other manufacturers uses Sony parts too (as well as
| Motorola, TI, Matsushita, Siemens, Burr-Brown, etc.).

And this just confirms my original point about Sony's competition.

| My XR-H66MD doesn't operate like any of my Sony MD recorders either, and
| its Service Mode is VERY different than Sony's.  I think many Aiwa models
| don't share the same PCB's with any Sony-branded unit.

Maybe not, but look at what is soldered to those PCBs, and you'll find a
lot of Sony hardware, either branded that way or licensed.
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Re: MD: Rebadged MD gear (was: Dolby and Minidisc Patents)

2001-06-13 Thread Stainless Steel Rat


* las [EMAIL PROTECTED]  on Tue, 12 Jun 2001
| NO.  That is simply not correct.  Not only that, but the analogy simply
| does not apply.  If you had said Ford and Mercury, the analogy would be
| closer, but you would still be incorrect.

Ahem.  FYI, Lincoln is a Ford Motor Company company, just like Mercury.

(sigh)
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Re: MD: Rebadged MD gear (was: Dolby and Minidisc Patents)

2001-06-13 Thread Stainless Steel Rat


* Francisco J. Huerta [EMAIL PROTECTED]  on Wed, 13 Jun 2001
| Aiwa having the same circuits as Sony sounds to me as Bentley using the same
| pieces as a VW just because VW owns it...

| OTOH, they both use steel, so yes, I guess they are sharing technology.

Substitute lens head assemblies and ATRAC circuits for steel and you
hit the nail on the head.
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Re: MD: xitel DG-2 and linux

2001-06-13 Thread Stainless Steel Rat


* Marc Britten [EMAIL PROTECTED]  on Wed, 13 Jun 2001
| in case anyone was wondering i finally got off my butt and hooked up my
| xitel from my sony md-r700dpc and played around a bit to get USB into my
| linux kernel and its working fine.

Details?  What USB module(s) required, and what sound modules?  OSS or
ALSA, or does it not matter?
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Re: MD: Anti shock

2001-06-12 Thread Stainless Steel Rat


* Luis Dodero [EMAIL PROTECTED]  on Tue, 12 Jun 2001
| Ok, well I know this has been discussed in the past, but it's never been
| clear to me. I have an MZR-700 with G-shock (40 seconds?) of Anti
| shock.

No, you have an MZ-R700 with G-Protection.  G-Protection is a new
implementation of anti-skip buffering that is apparantly much beter than
the previous G-Shock scheme.

| Anyway, while playing, the unit stops spinning the disc, presumably to save
| power, and spins up again. My question is, when it stops spinning the disc,
| is it reading off the buffer memory? If so, wouldn't that drop the 40 second
| rate?

No, that is the 40 second buffer.  The mechanism reads 40 seconds worth of
data and plays from that.
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Re: MD: Anti shock

2001-06-12 Thread Stainless Steel Rat


* Christoph Hertel [EMAIL PROTECTED]  on Tue, 12 Jun 2001
| 200 seconds I think.

40 seconds base, 80 seconds in LP2 mode and 120 seconds in LP4 mode.
G-Protection stores the raw ATRAC data as read off the disc.
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Re: MD: Rebadged MD gear (was: Dolby and Minidisc Patents)

2001-06-12 Thread Stainless Steel Rat


* las [EMAIL PROTECTED]  on Tue, 12 Jun 2001
| That's not correct.  At least not with the models before the FM90!  Aiwa is
| a totally separate operation from Sony.

On paper, maybe.  The difference between Sony and Aiwa is very much like
the difference between Ford and Lincoln.

| They have separate facilities and design their own stuff.  If you have
| ever looked at an Aiwa F80 and compared it with what ever model was out
| from Sony at the same time, you can see that these units have nothing in
| common.

On the outside.
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Re: MD: Minidiscs

2001-06-11 Thread Stainless Steel Rat


* Shawn Lin [EMAIL PROTECTED]  on Mon, 11 Jun 2001
| My circa 1994 Sony MDS-501 (ATRAC 2) has the same Dolby Labs
| license/patent message printed on the back of the unit itself and also
| in the manual.

My dates could be off.  I was under the impression that the joint work had
come later, not earlier.  That license could also be for noise reduction in
the analog circuitry.  Without more details (which are probably not
available) it is hard to say what is what.
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Re: MD: Dolby and Minidisc Patents (was: Minidiscs)

2001-06-11 Thread Stainless Steel Rat


* Francisco J. Huerta [EMAIL PROTECTED]  on Mon, 11 Jun 2001
| ... specially since Sony had their SDDS sound system, which competed
| directly against Dolby Digital.  It would be very weird for Sony to share
| technology with their primary competitors.

Philips and Sharp.  Names ring any bells?  Philips-Magnavox, the P in
S/PDIF, the maker of the other CD mechanism.  Every CD mechanism out there
is licensed either from Sony or from Philips.  Sharp, the maker of the
other MD units.  All MD units sold today are Sharp, Sony, or rebadged Sharp
or Sony.

Sony does it all the time.
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Re: MD: Headphones

2001-06-11 Thread Stainless Steel Rat


* Dan Frakes [EMAIL PROTECTED]  on Mon, 11 Jun 2001
| The Q33's are simply *awful* headphones, unfortunately. If you want to try
| earclips, the best ones by far (in fact, the *only* earclips I will even put
| on) are the Koss KSC-35 or KSC-50 (I prefer the 35's).

What is different about the KSC-50?
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Re: MD: Minidiscs

2001-06-10 Thread Stainless Steel Rat


* Francisco J. Huerta [EMAIL PROTECTED]  on Sun, 10 Jun 2001
| Didn't Sony invent ATRAC, violating some Dolby compression patents? Then,
| Sony handled the ATRAC license to Dolby, or something like that, in order to
| avoid litigation.

No.  Sony developed ATRAC in-house, not violating any Dolby Laboratories
patents.  Then sometime after ATRAC v4.5 they collaborated with Dolby
Laboratories to make improvements for mutual benefit.  The results are that
Dolby Digital has some of ATRAC in it and current versions of Sony ATRAC
have some AC3 in them.

One side effect of that deal is that Sony no longer discloses ATRAC versions.
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Re: MD: Earphones

2001-06-10 Thread Stainless Steel Rat


* Mike Lastucka [EMAIL PROTECTED]  on Sun, 10 Jun 2001
| I picked up a pair of Sony MDR-EX70SLs, those nude ex ones.  They're
| amazing.  The things fit right into the ear canal (obviously you want to
| watch your volume here!), so they're very comfortable and you barely notice
| them after about 30 seconds of wearing.  The sound these things put out is
| incredible, with brainshaking bass, and excellent high ends.

One nasty problem with the ear canal buds is that there are some people for
whom they just won't fit no matter what you do.  Like me, for example :).

That said, the Koss KSC-35 clips sound better than pretty much every
headphone Sony makes, and cost less than half as much as Sony's high-end
earbuds.
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Re: MD: NI-MH has no memory effect?

2001-06-10 Thread Stainless Steel Rat


* BurninSidy [EMAIL PROTECTED]  on Sun, 10 Jun 2001
| I 've just read some kind of statement about NI-CD and Ni-MH rechargeable
| batteries.
| Is it true that Ni-Mh has no memory effect?

It is more accurate to state that modern rechargeable batteries of any sort
have no memory effect, including NiCd and NiMH.

Memory occours in sintered plate NiCd cells used in old communications
satellites, and only under laboratory conditions.  It just doesn't happen
in the paste type cells you get at the local Best Buy.

NiCd and NiMH cells are basically the same thing, a paste rolled between
thin layers of nickel.  As the cells age, crystals form and grow in the
paste.  Charge capacity is inversely proportional to the number and size of
the crystals.  This is normal.  This is not memory, though some
mistakenly call it that.  NiCD cells have a life of approximately 1000 full
cycles, NiMH about 500.  Deep discharging of NiCD (which requires some
specialized hardware) cells can break up these crystals somewhat, restoring
some charge capacity.  Deep discharging of NiMH and Li-Ion cells will
render them useless.

NiCD and NiMH cells get very hot when overcharged, and the paste dries
out.  Dry paste means no chemical reaction between the nickel sheet and the
metallic paste.  That means no current.  This is what is colloquially
called memory, but it is not memory, it is physical damage due to misuse
or abuse, and it is irreparable.  NiMH cells are a little more tolerant of
overcharging than NiCD, but it is still a bad thing to do.

Li-Ion cells are impervious to overcharging due to their built-in charging
circuitry, and they have very high charge densitites.  But they are good
for only about 300 cycles.
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Re: MD: CD-Text titles over S/PDIF (was: USB-cable in the Sony MZ-Rx00PC's)

2001-06-08 Thread Stainless Steel Rat


* Eric Woudenberg, Minidisc.org Editor [EMAIL PROTECTED]  on 
Fri, 08 Jun 2001
| Yes, but Sony could have chosen their double-cable Joint-Text approach
| (read: hack) for other reasons (they would have to be good ones, I'll
| grant you).

I can think of a good one: the R through W subcode channels on CD-DA are
not carried by S/PDIF in practical applications.
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Re: MD: DCC?

2001-06-07 Thread Stainless Steel Rat


* Robert J. Lynn Jr. [EMAIL PROTECTED]  on Thu, 07 Jun 2001
| A. Maybe the bits are stored on a carrier wave? Like a T1, per se.

This would require modulation, like the old C64 and Apple ][ tapes.  And
yes, doing so would require some very high frequency square waves.  Maybe
DCC does that, but DAT certainly doesn't because it is an inefficient
storage method.

| B. Maybe the bits arent recorded as waves. Just magnetic blips.

Whereas this is what is really happening.  The blips can be played as an
audible signal, but chances are you'll break something if you do that (like
your speakers or ears).
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Re: MD: md-l-digest V3 #38

2001-06-07 Thread Stainless Steel Rat


* Michael Graves [EMAIL PROTECTED]  on Thu, 07 Jun 2001
| Overlap of the track is not necessarily bad. By varying the placement
| angle of the heads on the drum (azimuth?) we can effect an alternating
| polarization of the tracks as they are written to the tape. This allows
| the tracks to be written such that they overlap slightly, which allows
| for increased track density.

That is one of the tricks that DDS-2, -3 and -4 use to increase data
density.  And it goes a long way towards maintaining compatability with
previous standards.  There is still a limit to how much overlap you can get
away with before noise starts drowning out signal.
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Re: MD: DCC?

2001-06-07 Thread Stainless Steel Rat


* Robert J. Lynn Jr. [EMAIL PROTECTED]  on Thu, 07 Jun 2001
| Nah, it'll probably just sound like white noise, right?

Ever try playing a CD-ROM in an audio CD player?  Assuming it is possible
to play a data cartridge in an audio deck (which I cannot confirm), the
potential noise could be much worse.  You could ruin your speakers doing
that.
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Re: MD: USB-cable in the Sony MZ-Rx00PC's

2001-06-07 Thread Stainless Steel Rat


* Timothy Stockman [EMAIL PROTECTED]  on Thu, 07 Jun 2001
| In fact, that information *is* on the the S/PDIF digital audio signal
| coming from the digital output of a CD player (assuming the disc is
| encoded with CD text).  All of the subchannel bits except P are sent
| via the usr bits of the S/PDIF stream.  I don't know of any computer
| hardware that uses the user bits, though.

Specifically, the R through W subcode channels, which had been previously
reserved for future use.

All subcode channel bits can be sent.  Hypothetically.  In practice this is
not the case.  If it were then Sony's joint text players and recorders
would not need a special cable to carry the information.
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Re: MD: Minidiscs

2001-06-07 Thread Stainless Steel Rat


* Mike Lastucka [EMAIL PROTECTED]  on Thu, 07 Jun 2001
| Does the choice of minidisc basically boil down to which one do you would
| find more impressive to pull out of your player in the vicinity of
| others?

For me it is whichever manufacturer has labels I can write on.  TDK is my
favorite for that right now.
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Re: MD: DCC?

2001-06-06 Thread Stainless Steel Rat


* Steve Hill [EMAIL PROTECTED]  on Wed, 06 Jun 2001
| it is the sample frequency that matters, not the signal frequency.

How is this different from my point about resolution back at the
beginning of this?

Fact is, at any given sampling frequency, storage capacity is constant
regardless of what is being recorded.  By way of practical example, MD-74
stores 74 minutes of audio, whether that is total silence, the loudest
heavy metal, a perfect sine wave, square wave, sawtooth, or anything else
you care to record.  If the resolution of the recording were to be
increased to 24 bits, the capacity of the disc would be proportinally
reduced.

Saying that digital recordings require more space than analog is just plain
wrong.  The two are totally different.  Comparing the two is like comparing
a really nice cheese omlette and a Shelby Cobra GT350.
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Re: MD: USB-cable in the Sony MZ-Rx00PC's

2001-06-06 Thread Stainless Steel Rat


* Christoph Hertel [EMAIL PROTECTED]  on Wed, 06 Jun 2001
| I'm wondering what wonderful things the USB-cables that come with the
| Sony MD-recorders (e.g. MZ-R700PC) will do for me. As I understand the
| naming of the tracks on the MD will be easier

No, it won't, since none of that information is carried on the PCM signal.

| and I will be able to transfer mp3's on a MD. But the mp3's will be
| converted to standard-audio-compressed-with-ATRAC? So where's the
| difference to just connecting the line-out of my Soundcard with the
| line-in of the MD recorder?

A noise-free digital connection, assuming you get the DG2 model rather than
the AN1 model.
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Re: MD: DCC?

2001-06-06 Thread Stainless Steel Rat


* Steve Hill [EMAIL PROTECTED]  on Wed, 06 Jun 2001
| I see no reason why you cannot compare the bandwidth and/or space
| requirements of digital and analogue recordings. Given that all recordings
| are ultimately stored as an analogue form,

You are assuming that digital signals are modulated into analog signals for
recording, like on your old C64 (which ammounts to recording the noises a
telephone modem makes and playing them back later).  There is no such
modulation involved with digital audio storage.

| someone must have compared the possibilities for using that form to store
| the recording in an analogue manner against adding the complexity of a
| digital system.

You mean like CD-Video? (not VCD).

| Of course, the advantage of digital audio is that it is more easily
| possible to remove the noise introduced by the medium - albeit at the
| expense of adding redundancy and the introduction of quantisation noise -
[snip]

The advantage of digital audio is that as far as consumers are concerned it
does not wear out.

| - but I am given to understand that, to achieve recording of the same
| perceived quality, PCM - whether linear or non-linear
| - will require a greater bandwidth than to record directly in analogue.

And yet, the fact remains that when analog recordings are made on digital
media like Compact Discs, the effective capacity of the media is
significantly reduced compared to its equivalent digital counterparts.
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Re: MD: DCC?

2001-06-06 Thread Stainless Steel Rat


* Peter Jaques [EMAIL PROTECTED]  on Wed, 06 Jun 2001
| i'm not saying that PCM represents an audio frequency of 1411200Hz, i'm
| saying that in order to represent 22.05kHz, the analog square wave put on
| tape is 1411200Hz. the square wave is the bits themselves.

You are mistaken if you believe that there is a 1,411,200Hz square wave
stored on a DAT.  All that is there is ones and zeros, which do form a
square wave if you treated it as something audible (which it isn't) with an
effective frequency some twice that (~2,862,311.5Hz if I did the math
right).
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Re: MD: DCC?

2001-06-02 Thread Stainless Steel Rat


* Francisco J. Huerta [EMAIL PROTECTED]  on Sat, 02 Jun 2001
| So, how about explaining why he is wrong? I mean, it's very easy to say no,
| nah, ni, but it is a bit more complex to say why. I know the reasons, but I
| would definitely leave the explaining to an expert.

Square waves taking more space.  Just plain BS.  The shape of a wave has no
bearing whatsoever on how much space is required to store it.

DDS-2 and DDS-3 (two of the DAT data standards) have nearly identically
length tapes (120m vs. 125m), and have the same linear speed over the
heads.  DDS-3 has three times the storage capacity as DDS-2.  Clearly,
speed is not a contributing factor to data density.

Doesn't require an expert to show that Jacob has a lot of completely bogus
information.
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Re: MD: Sony MZ-R900DPC in stock at etronics.com

2001-06-01 Thread Stainless Steel Rat


* Grant Goodale [EMAIL PROTECTED]  on Thu, 31 May 2001
|   Also, is it just me, or does the PCLink cable pictured look remarkably
| similar to the new DG-2 available from Xitel?  Are they both sourcing some
| third party for that cable now?

That is because it is a genuine Xitel MD-PORT DG-2.
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Re: MD: Sony MZ-R900DPC in stock at etronics.com

2001-06-01 Thread Stainless Steel Rat


* David W. Tamkin [EMAIL PROTECTED]  on Thu, 31 May 2001
| The picture on that page shows a deeper brick color for the 900DPC than the
| painfully vivid reds in other photographs of it on the web.  Is there anyone
| on the list who has seen one and can describe the color?

That is an MZ-R700 I think, not an MZ-R900 depicted.

And yes, the red R900 is a brighter shade of red.
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Re: MD: Sony MZ-R900DPC in stock at etronics.com

2001-06-01 Thread Stainless Steel Rat


* Stainless Steel Rat [EMAIL PROTECTED]  on Fri, 01 Jun 2001
| And yes, the red R900 is a brighter shade of red.

URL:http://www.tweeter.com/commerce/product1.asp?sku=MZR900DPCpf_id=9389942dept_id=60

The image is the correct model, and the shading is close to right, but the
real thing has a glossy metallic finish which does not show.
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Re: MD: DCC?

2001-06-01 Thread Stainless Steel Rat


* Jacob Alifrangis [EMAIL PROTECTED]  on Fri, 01 Jun 2001
| Analog is recorded with sine waves, whereas digital is recorded with
| square waves, which take up more room.

Where did you get that bit of misinformation?

| Also, tapes sound better if the tape is moved past the head faster
| (lower density).

Not for digital media.  The capacity of digital media is a function of the
size of the read/write heads.  For example, DDS-2 is a 120m DAT tape and
stores 4GB of data, while DDS-3 is a 125m tape and stores 12GB of data, a
three-fold increase.

| So there is less available time that the tape has per foot. So the data
| is compressed to make it fit.

Just... wrong.
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Re: MD: Sony MZ-R900DPC in stock at etronics.com

2001-06-01 Thread Stainless Steel Rat


* Stuart Howlette [EMAIL PROTECTED]  on Fri, 01 Jun 2001
| From what I understand, Sony gets the link from Xitel and rebadges it

Sony doesn't rebadge it.  The DG-2 that came with my MZ-R900 (that I
purchased this morning) says Xitel on the back.
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Re: MD: Digital matching a wave (was: If MDs had come out before CDs)

2001-05-31 Thread Stainless Steel Rat


* Danny-K [EMAIL PROTECTED]  on Wed, 30 May 2001
| I am curious to learn exactly how sampling at twice the highest frequency
| changes things.  I'm trying to visualize it, but I can't grasp it.

Are you familiar with the term jaggies in regards to images displays?
Jaggies are the stair-stepping you see when the resolution of the image is
lower than the medium.  The technical term for this is aliasing.  The
simplest (but most expensive) anti-aliasing technique is to increase the
resolution of the image to the resolution of the medium.  This is just as
important for printed media as it is for CRTs and LCD panels.

The exact same aliasing phenomenon occours in digital audio, and the exact
same technique is used to eliminate it: increase the resolution, except in
digital audio it is called frequency response (resolution has a partially
different meaning).  Aliasing occours when the sampling frequency is less
than twice the frequency, exactly as you describe.  The math is moderately
complex, and a physics text book can do a better job of describing it than
I can, so I won't :).

Anyway, if the higest frequency in a sound is 20kHz, then a sampling
frequency of 40kHz will be able to record it with 100% fidelity, assuming
you allocate enough bits to store the data.

In practice, the top ~25% of the response curve is wasted for roll-off
and anti-aliasing filters.  So for CD-DA with a sampling frequency of
44.1kHz, the maximum frequency it can sample is 22.01kHz, but the effective
high end is ~15kHz.  DAT improves on this by increasing the sampling
frequency to 48kHz, for a top of 24kHz or an effective frequency response
of ~18kHz.  And the various DVD-Video and DVD-Audio specs can crank up to a
whopping 96kHz sampling frequency, offering frequency response that is
indistinguishable from the analog source.
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Re: MD: MDLP Question

2001-05-29 Thread Stainless Steel Rat


* Ken Clinger [EMAIL PROTECTED]  on Tue, 29 May 2001
| I've made some compilation discs at LP4, for my *noisy* commute (crowded
| bus, downtown traffic noises) and it's fine for that. Also probably would
| work well for low-volume background music. But at home, it's obvious that
| the high frequencies aren't there, and stereo isn't as stereo.

Yep, that is pretty much exactly what you should be hearing.

Keep in mind that the majority of people carrying around portables use the
crap headphones that come with the unit.  Which means that they probably
won't be able to tell the difference between SP and LP4 and really don't
care.
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Re: MD: If MDs had come out before CDs

2001-05-29 Thread Stainless Steel Rat


* Matt Wall [EMAIL PROTECTED]  on Tue, 29 May 2001
| i pretty much agree with most of what was said here, another thing that
| kidna backs this up is that DVD video took off like a bat out of hell,

No, it didn't.  DVD-Video went nowhere for three or four years before it
ramped up.  From a point about two years ago, DVD-Video has grown rapidly,
but at a steadilly increasing rate.

| but i've yet to see anyone dump thier cd collection to replace it with
| DVD audio

Ummm... that would be because you can't buy DVD-Audio in the local record
shop.
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Re: MD: If MDs had come out before CDs

2001-05-29 Thread Stainless Steel Rat


* Matt Wall [EMAIL PROTECTED]  on Tue, 29 May 2001
| I disagree 110%, compared to vhs/beta/HDTV/dang near any new product
| projections DVD did take off like a bat out of hell.

DVD-Video has been around for about five years now.  Its growth has mostly
been in the past two years.  In its first two years of existence, DVD-Video
came  close to failing outright.  The media was expensive and unreliable,
the players moreso, and the selection of titles microscopic.  And even
though its growth in the past two years has been rapid, it has been very
steady, not explosive.  And it is still well behind its initial
projections, which had DVD-Video completely replacing consumer VHS by the
end of last year.

Yes, DVD-Video has done amazingly well after a very bumpy start, much like
CD-Audio.  Yes, DVD-Video has the highest adoption rate of any new consumer
technology ever, after CD-Audio.  In five years, DVD-Video has achieved
market penetration almost equivalent to what CD-Audio managed in ten.  That
is fast, but it is not as explosive as you believe or imply.

| oh yeah i live in the middle of nowhere and there is 7 shops that carry
| DVD audio recordings around me.  guess what nobody is buying them.

I live near the Hub of the Universe (Boston, MA) and have yet to see
DVD-Audio anywhere other than a few specialty shops, and the selection is
both limited and expensive.  Maybe you live in one of the test market
areas.
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Re: MD: If MDs had come out before CDs

2001-05-29 Thread Stainless Steel Rat


* Ivica Petrovic [EMAIL PROTECTED]  on Tue, 29 May 2001
| the fact is: CDs are sounding awful! [snip]

And your point is?
I mean, none of this is anything we did not know already, although I think
you are a bit more... militant about it than most.
Of course, if CD-Audio sucks, in your opinion, where does that leave MD?
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Re: MD: If MDs had come out before CDs

2001-05-29 Thread Stainless Steel Rat


* Matt Wall [EMAIL PROTECTED]  on Tue, 29 May 2001
| wow i now realize my mistake, how wrong i was.  since you said this i went
| out, gee wiz no video stores carry dvd's to rent, best buy doesn't carry
| them and has never, gee wizz how could i ever have thought that this
| technology ever took off in the first place.  /sarcasm

Sherman, set the Wayback Machine to 1998.  The place, Suncoast.  See any
DVD-Video there?  Nope.  Oh, wait, there are a couple of copies of
Starship Troopers sitting there behind the counter collecting dust.

And FYI, DVD != DVD-Video.
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Re: MD: If MDs had come out before CDs

2001-05-29 Thread Stainless Steel Rat


* las [EMAIL PROTECTED]  on Tue, 29 May 2001
| The joke is that the local Sam's Club sold a two disc very highly rated
| Toshiba DVD player that was HDCD CD compatible.  The instructions manual
| says that, the player will automatically detect an HDCD CD and a light
| will come on.  Well I'm still waiting to see the light.

Rimshot!

| Except for anything Spielberg, I don't see a heck of a lot of DTS DVDs
| either.

I have a few: Men in Black, Gladiator, and Big Trouble in Little China come
to mind.  I probably have a few others.  Thing is, Dolby Digital is the
minimum requirement for DVD-Video in Region 1.  dts is arguably a superior
spec, which is tantamount to calling it an a/vphile thing.
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Re: MD: MD vs. DAT

2001-05-27 Thread Stainless Steel Rat


* Mike Hooker [EMAIL PROTECTED]  on Sat, 26 May 2001
| i would like for anyone interested to grab these files from me and give
| them a listen. those really in the know can do spectrum analysis and what
| ever else is available to do this kind of comparison besides the ears.

What purpose will this serve?  None at all.  We allready know that the
waveforms will be slightly different because the algorithms and reduction
rate are different.  But if your ears cannot tell the difference -- which
is the entire point of Sony's continuing improvements to ATRACT -- then
there is no point in making such comparisions.

To make a visual analogy, nobody bothers with making bitwise comparisions
between the uncompresssed TIFF scan with the 90% JPEG that is 1/10th the
size because humans cannot see the difference.  JPEGs are for human
consumption, not machines.

Likewise, MD and DAT are for human consumption, not machines.
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Re: MD: MD vs. DAT

2001-05-27 Thread Stainless Steel Rat


* Stainless Steel Rat [EMAIL PROTECTED]  on Sun, 27 May 2001
| What purpose will this serve?  None at all.  We allready know that the
  already
| waveforms will be slightly different because the algorithms and reduction
| rate are different.  But if your ears cannot tell the difference -- which
| is the entire point of Sony's continuing improvements to ATRACT -- then
   ATRAC
| there is no point in making such comparisions.

I hate it when I do that.
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Re: MD: no more MD at Best Buy

2001-05-19 Thread Stainless Steel Rat


* Matt Wall [EMAIL PROTECTED]  on Sat, 19 May 2001
| ya know i think this depends on your area, my best buy still has about 5
| portable models on display and i know of at least 2 home decks too.  but
| then again this thread pop's up about once every other month too.

Some stores appear not to be restocking MD equipment.  The Cambridge, MA
store hasn't gotten anything new in a while that I've noticed (but I
haven't looked in about a month).
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Re: MD: Firewire?

2001-05-10 Thread Stainless Steel Rat


* James Jarvie [EMAIL PROTECTED]  on Thu, 10 May 2001
| Can someone please explain (in simple terms) what
| Firewire is?

Firewire is Apple's trademark for their implementation of the IEEE 1394
specification.  It is a fast (currently up to 400Mbps), inexpensive serial
interconnect bus for multimedia devices such as cameras, audio equipment,
and storage media.  It is philosophically comparable to USB in that usage
defines the system, but USB is pig-slow (4-10Mbps) by comparison.

Sony calls it iLink.
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Re: MD: Sony Laptops

2001-05-09 Thread Stainless Steel Rat


* Peter Birley [EMAIL PROTECTED]  on Wed, 09 May 2001
| They have the best original build quality of any laptop I have ever seen
| (505 and z600 series),

At the very least they are consistently good.  Not exceptional but few
lemons.

| but sony my laptop in for repair for six months, and billed me £965 for
| it!!! the sent it back totaly unrepaired!!

Yow.  Sony's service is not very good, but that is exceptionally bad.
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Re: MD: sharp MD-X5 and MS-702

2001-04-11 Thread Stainless Steel Rat


* "Stuart Howlette" [EMAIL PROTECTED]  on Wed, 11 Apr 2001
| My guess is (possibly incorrect, but anyway) is that the atrac chip in the
| x5 is an earlier version of the 702's, meaning its poorer in compression,
| meaning poorer in storing music.

No.  There are no interoperability issues between various implementations
of ATRAC.  Anything recorded on any recorder will play back on any player,
regardless of manufacturers.

Most likely it is an alignment problem in either of the two units.  Hard to
tell which without at least one known good sample to work from.  Or simply
dirt.
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Re: MD: more headphones

2001-03-19 Thread Stainless Steel Rat


* Dan Frakes [EMAIL PROTECTED]  on Mon, 19 Mar 2001
| Seriously, "The Plug" are simply terrible headphones. They sound plain
| *awful*.

Wow.  I tried a set myself and did not feel that way.  I personally
disliked them for the actual feel.  I don't like having things wedged into
my ears like that.

[...]
| Definitely... I always suggest the 35's to anyone looking for earbuds.

The only headphones I have that are better are my Grado SR-60s and
Sennheiser HD-600s, neither of which are even vaguely in the same class :).
The KSC-35s are *much* better than Sony's 888 earbuds (top of the line) and
cost about 1/3 as much.
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Re: MD: more headphones

2001-03-19 Thread Stainless Steel Rat


* "Dan Scellen" [EMAIL PROTECTED]  on Mon, 19 Mar 2001
| I am interested in the Koss KSC-19 and KSC-20, which are in-ear buds
| that wrap around your ear sort of like the KSC-35's.  Does anyone know if
| these sound any good?  Comparable to the 35's?

First question: not especially.  Second question: not even close.
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Re: MD: more headphones

2001-03-18 Thread Stainless Steel Rat


* "Edward" [EMAIL PROTECTED]  on Sat, 17 Mar 2001
| out of the following (reasonable, but cheap [i think])  headphones which
| would you recommend:-
| -   Sony MDR-EX70LP
| -   Sony MDR-ED268LP
| -   Sennheiser MX-500

Well, Sony earbuds are mediocre at best, and most of them just suck.
You'll get better sound out of the Sennheiser MX-400 and MX-500 buds.

URL:http://www.headphone.com/ProductsHeadphones/SennheiserMX500.asp

If you want inexpensive noise blocking buds, Koss "The Plug" is a better
buy than Sony.

URL:http://www.koss.com/koss/kossweb.nsf/SPdispCall?ReadFormTHEPLUG

Still, for lightweight, portable listening, it is really hard to beat Koss
KSC-35 earclips.

URL:http://www.koss.com/koss/kossweb.nsf/SPdispCall?ReadFormKSC35

I don't have UK prices, sorry.
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Re: MD: Panasonic's first MDLP portable

2001-03-16 Thread Stainless Steel Rat


* JT [EMAIL PROTECTED]  on Thu, 15 Mar 2001
| 
|http://www.matsushita.co.jp/corp/news/official.data/data.dir/jn010315-1/jn010315-1-1.jpg

Much better. :)
Thanks.
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Re: MD: Panasonic's first MDLP portable

2001-03-16 Thread Stainless Steel Rat


* "Chad Gombosi" [EMAIL PROTECTED]  on Fri, 16 Mar 2001
| What the hell man? The URL works. I'm no computer web God and I had zero
| problem whatsoever getting it to work the first time. Please drop it.

You had zero problems, I had 100% problems until JT posted a working link.

You see, there are published standards for listing URLs in text documents
like mail messages.  URLs are terminated with an end of line character.
What that ammounts to is that this is the URL:

http://www.matsushita.co.jp/corp/news/official.data/data.dir/jn010315-1/jn01

Which is nonexistant.  Technically, the URL must be bracketed with `URL:'
and `' to help prevent wrapping from being a problem, like this:

URL:http://www.matsushita.co.jp/corp/news/official.data/data.dir/jn010315-1/jn010315-1-1.jpg
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MD: URLs (was Re: Panasonic's first MDLP portable)

2001-03-16 Thread Stainless Steel Rat


RFC 1738 "Uniform Resource Locators", APPENDIX: Recommendations for URLs in
Context

   In addition, there are many occasions when URLs are included in other
   kinds of text; examples include electronic mail, USENET news
   messages, or printed on paper. In such cases, it is convenient to
   have a separate syntactic wrapper that delimits the URL and separates
   it from the rest of the text, and in particular from punctuation
   marks that might be mistaken for part of the URL. For this purpose,
   is recommended that angle brackets ("" and ""), along with the
   prefix "URL:", be used to delimit the boundaries of the URL.  This
   wrapper does not form part of the URL and should not be used in
   contexts in which delimiters are already specified.

[replies directed to me, assuming the list doesn't overwrite the Reply-To]
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Re: MD: Panasonic's first MDLP portable

2001-03-15 Thread Stainless Steel Rat


* Leon [EMAIL PROTECTED]  on Thu, 15 Mar 2001
| a
| href="http://www.matsushita.co.jp/corp/news/official.data/data.dir/jn010315-
| 1/jn010315-1-1.jpg"__/a

Nope.
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Re: MD: Panasonic's first MDLP portable

2001-03-15 Thread Stainless Steel Rat


* Leon [EMAIL PROTECTED]  on Thu, 15 Mar 2001
| http://www.matsushita.co.jp/corp/news/official.data/data.dir/jn010315-1/jn01
| 0315-1-1.jpg

And you can stop hitting Return part-way through a URL.
Or you can get a better mail client, one that doesn't break URLs, because
that one is broken.
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Re: MD: audio and data CDRs

2001-03-06 Thread Stainless Steel Rat


* "J. Coon" [EMAIL PROTECTED]  on Mon, 05 Mar 2001
| What does "is" mean?

| If I have two pieces of paper that are identical and I write hello on
| one of them, it is physically different

Right, but your analogy is flawed in that data CD-R and audio CD-R are not
identical pieces of paper to start with, before you write "hello" on one of
them.  A closer analogy would be a data CD-R is a piece of white typing
paper while an audio CD-R is a blank piece of music sheet.
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Re: MD: ATRAC versions of R55 and DHC-MD555?

2001-02-27 Thread Stainless Steel Rat


* Glen [EMAIL PROTECTED]  on Tue, 27 Feb 2001
| Does anyone know the ATRAC versions of the Sony Portable Recorder MZ-R55 and
| the Sony Bookshelf system DHC-MD555?

Sony does not publish that information.  Best guess is Sony ATRAC vesrion
4.0, but it could be 4.5 or something else, depending on the specific unit.
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Re: MD: recompressing (was MiniDisc Your Music)

2001-02-20 Thread Stainless Steel Rat


* "David W. Tamkin" [EMAIL PROTECTED]  on Tue, 20 Feb 2001
| If you record the output of a 12:1 MP3 file to MD at 5:1, the result will be
| worse than 12:1, but it won't be as bad as 60:1.  Try it for yourself.

And may in fact be undetectable, depending on the MP3 encoder and decoder
used.

| By the same token, re-ATRACking an MD track results in something a little
| worse than 5:1, but not in 25:1.

IIRC it takes five analog generations before degradation becomes noticeable,
and ten or more before audio quality is reduced below acceptable levels (ie,
audio casette).
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Re: MD: timer juggling

2001-02-20 Thread Stainless Steel Rat


* "David W. Tamkin" [EMAIL PROTECTED]  on Tue, 20 Feb 2001
| Otherwise, would anyone else be able to switch the disc for you?  If you live
| alone, will a neighbor have a key?  Can a friend in the DFW area record one
| of the shows for you?

At this point I suspect something like Creative's Nomad Jukebox would be
useful.  One of its features is the ability to record some 5-6 hours of
16-bit PCM (WAV) audio from a live source, more if you hack in a bigger
disk.  You can then play it back to your recorder or upload it to whatever
host machine (yay, USB).
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Re: MD: Discussions - Why?

2001-02-19 Thread Stainless Steel Rat


* Markus Laurin [EMAIL PROTECTED]  on Mon, 19 Feb 2001
| Aye, I'm aware of all of that. But I fail to see the point of discussing
| something which in the end is something subjective. I mean, discussing if
| circuit city or Best buy are cutting down on their MD section without any
| facts, thats just guessing, nothing else.

What is wrong with speculation?

What is wrong with knowing that "rumor has it" so that you can go to Best
Buy and Circuit City and let them know that as a customer you are unhappy
with any decision to drop MD.  You see, rumor or not, if a lot of people do
that -- and actually buy stuff there -- then maybe they will reconsider.

Why do you think that is a bad thing?
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Re: MD: best portable player

2001-02-19 Thread Stainless Steel Rat


* John Small [EMAIL PROTECTED]  on Mon, 19 Feb 2001
| Would you pay over $200 for an MD player?

More to the point, would I pay over $200 for a portable MD recorder?  The
answer to that for me is four times yes: Sony MZ-R30, Sharp MS-702, Sony
MZ-R90, Sharp MS-722.  The R30 was the most expensive unit when purchased,
at $350.
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Re: MD: More on CD vs. MD Sound Quality

2001-02-16 Thread Stainless Steel Rat


* John Small [EMAIL PROTECTED]  on Thu, 15 Feb 2001
| So, what player is this ... is there a 'good' one, in this sense, out there
| yet?

Bear in mind that the amplifier driving your headphones (I'm assuming
headphones because you are talking portables here) sucks.  Sony headphone
amps are notoriously weak.  Sharp has better amps, but if you want better
sound than that then an outboard amplifier is a must.

That said, Sharp MS-722 recorder, AirHead amplifier from Headroom, and
Sennheiser HD-600 headphones is a sweet kit.
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Re: MD: The far horizon of MP3 storage

2001-02-13 Thread Stainless Steel Rat


* las [EMAIL PROTECTED]  on Tue, 13 Feb 2001
| I'm sure it makes you feel good to know that some IBM punch card probably
| had their name or number listed (the Nazis destroyed as much as they
| could-they were insane record keepers-but just as insane about trying to
| destroy the evidence).

| BLANK IBM!!!

Well, so much for intelligent discourse.

*plonk*
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MD: Copyright and Napster

2001-02-12 Thread Stainless Steel Rat


Since it was brought up by me recently that Napster lost, it is now
official:

http://dailynews.yahoo.com/h/ap/20010212/ts/napster_lawsuit_11.html

Monday February 12 3:17 PM ET
Court Says Napster Must Stop

By RON HARRIS, Associated Press Writer

SAN FRANCISCO (AP) - Napster (news - web sites) Inc. must stop allowing the
millions of music fans who use its free Internet-based service to share
copyrighted material, a federal appeals court ruled Monday.
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Re: MD: Sharp is a shambles!

2001-02-08 Thread Stainless Steel Rat


* "Robin Landy" [EMAIL PROTECTED]  on Thu, 08 Feb 2001
|   Anyone else had similar experiences?

Can't say that I have.

But I would have done things differently.  I would have taken the unit to
the point of purchase and have them replace it, and let them deal with Sharp.
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Re: MD: Effects of different ATRAC versions

2001-02-05 Thread Stainless Steel Rat


* Neil [EMAIL PROTECTED]  on Mon, 05 Feb 2001
| I've never had any SCMS related problems recording digitally from DVDs
| (audio soundtracks), using a coax interconnect from my DVD player to the
| coax-in on my bookshelf.

Weird.
Maybe its just the stuff I buy ;).
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Re: MD: Effects of different ATRAC versions

2001-02-04 Thread Stainless Steel Rat


* las [EMAIL PROTECTED]  on Sun, 04 Feb 2001
| I thought that the DVD's sound can be copied just like a CD

That ultimately depends on what kind of sound is on a DVD-Video.  Different
regions have different requirements.  AC3 and dts include SCMS marks, and
commercial DVD-Videos are marked "final".  MPEG-1 Layer III does not.
Since Mexico (.mx) is in Region 1 I think it is reasonable to assume Region
1 discs, which mean AC3 or dts.

| Also, while you can't copy a DVD using a stand alone unit.  On a computer
| you can copy DVD's if you have the right software.

Yeah, but he did not say anything about ripping the audio out of a
DVD-Video, so I did not assume he did.
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Re: MD: THX Certified?

2001-01-30 Thread Stainless Steel Rat


* las [EMAIL PROTECTED]  on Mon, 29 Jan 2001
|  None of which is unique to THX-certified equipment.

| Individually.  But the combination is what gives it a uniqueness.

Not so.  The "uniqueness" is the certificate, not what is inside the box.
Like I said, THX means it passed a test; it does not mean it has something
exclusive.
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Re: MD: THX Certified?

2001-01-30 Thread Stainless Steel Rat


* "Don Capps" [EMAIL PROTECTED]  on Tue, 30 Jan 2001
| Timbre matching = special EQ settings used to correct for different speaker
| reproduction characteristics...

Which is functionally identical to special EQ settings used to achieve
certain types of simulated environments such as cathedral and auditorium.
"THX mode" is just another EQ preset.

| Decorrelation = uses out-of-phase information (in the rear surround
| channels) to give the illusion of a larger/broader rear soundstage
| (i.e. a "more open" sound)...only used when the rear channel information
| is a matrixed mono signal rather than discrete

Just a general FYI, a matrixed mono rear channel is a feature of Dolby
Surround and Dolby Pro Logic encoding.  "Uses out-of-phase information" is
a fancy way of saying "uses front stereo channels".  Decorreleation blends
sound from the front stereo channels back into the rear channel to give it
a larger sound field.

Dolby Digital and dts have discrete rear channels.  Decorrelation is
unnecessary for DD and dts.
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Re: MD: THX Certified?

2001-01-29 Thread Stainless Steel Rat


* [EMAIL PROTECTED]  on Mon, 29 Jan 2001
| Please clarifyDon C. suggested that THX certified equipment has
| nothing to do with processing, but the certification is a set of
| guidelines required to achieve an " optimal" theatre sound. [...]

That is correct.

| And why suggest to the McIntosh amp owner to listen to the THX module
| before purchasing one and listen to the differences?

Because you should always listen to the component before buying it.

| Is a THX certified receiver merely a marketing ploy, or is there actually
| an EQ applied, or some other DSP application VS any other 5.1 receiver?
| Seems to me there must be a difference in the processing somewhere?

It means that the receiver has been certified by THX as meeting their
minimum audio and video quality requirements.  It means that the component
has passed their test.  Having the certificate means that it will look and
sound good, but it does not mean that it will look and sound better than a
every component that has never been tested.  For example, the NAD T-760
receiver was never tested, so it does not have the certification, but it
sounds better than a lot of receivers that do have the THX logo, like, say,
anything from Pioneer in its class, and I'd be willing to put it against
anything comparable from Onkyo as well.
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Re: MD: THX Certified?

2001-01-29 Thread Stainless Steel Rat


* "Francisco J. Huerta" [EMAIL PROTECTED]  on Mon, 29 Jan 2001
| AFAIK, THX Ultra and Select are certification processes. BUT they do add to
| the decoding scheme.

No, they don't.  THX does not do any of these things.  Did you read the
recently posted excerpt from the THX FAQ?  THX is independant of hardware
and software.  If there are 50 ways to diffuse the center channel and 25 of
them are approved by THX, then one or possibly more of those 25 schemes are
in a THX certified receiver.  The same scheme or schems may also be in a
recevier that is not THX certified, and that uncertified receiver may sound
much better than the certified one.

"THX Certification" has exactly as much meaning as "Microsoft Certified
Software Engineer" or "Novell Certified Engineer".  It means it passed a
test.  That's *IT*.
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