Re: [SlimDevices: Audiophiles] Inguz dsp plugin - what are the results?

2010-10-15 Thread firedog

krzys;582845 Wrote: 
 
 The only drawback is that you cannot measure the whole system since
 Audiolense is generating his own signal and you cannot pass it trough
 the SB device. I hope that my SB Touch is perfect ;-)
 Chris

Can you clarify what you mean? I don't quite understand it all yet.


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(occasional use); sometimes use PC with M-Audio 192 as digital source.
SB Boom in second room. Arcam CD82 which I don't use anymore, even
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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread firedog

p-cubed;582945 Wrote: 
 Any indication of when a 24-96 release of the Beatles catalog will
 happen?

None. The next release is a vinyl box, mastered from the digital. And
before you ask, they haven't released any details of exactly how they
are making the master. Since no announcement has been made yet, you can
bet the release won't be till next year, after the coming Christmas
season.

No word on hi-res (maybe even 24/192?)digital release, but since the
vinyl is coming first, they will wait for that marketing gambit to
maximize cash flow before they make another release. It may take quite
a while, perhaps they want to see some more growth in the digital
hi-res market before release. The market for hi-res files is still tiny
(even smaller than the tiny vinyl market).

Ironic, by the way, that the first release of a high-res based Beatles
catalogue will be on vinyl.


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(occasional use); sometimes use PC with M-Audio 192 as digital source.
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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread firedog

opaqueice;582922 Wrote: 
 
 Apart from that, as I said I'm willing to bet that no one can tell them
 (i.e. the 24 bit version and its 16 bit dithered counterpart) apart
 blind.
 
 
 

I've done it multiple times, even when sitting in an adjoining room. 

Instead of just being a knee-jerk skeptic, why don't you listen and
then decide?


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(occasional use); sometimes use PC with M-Audio 192 as digital source.
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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Phil Leigh

the USB release is high-rez IMO, I'm not convinced a 96 or 192 would
have any real audible benefit over those.


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You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...
Touch(wired/XP) - TACT 2.2X (Linear PSU) + Good Vibrations S/W - MF
Triplethreat(Audiocom full mods) - Linn 5103 - Aktiv 5.1 system (6x
LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5), Pekin Tuner, Townsend
Supertweeters, Blue Jeans Digital,Kimber Speaker  Chord Interconnect
cables
Kitchen Boom, Outdoors: SB Radio, Harmony One remote for everything.

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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread michael123

opaqueice;582922 Wrote: 
 
 
 1) Master the hi-res version to sound better
 
 2) everyone will (incorrectly) assume it's the extra bits
 
 3) profit.

BS
high-res is very close to master if not the master itself.
44.1/16 is downsampled, filtered and tortured version of it


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Phil Leigh

I've just run the 24-bit USB version of Come Together vs the 16-bit
remaster (ripped as 44.1/24 with DBP).

The diff is -81dB (or about 13.5 bits) The difference file boosted by
50dB is full of random noise as you'd expect but the track is still
there within the noise - words and music clearly discernible.

I'd say that equates to a potentially audible difference for some
people. The 24-bit version sure sounds better to me too and no it's
not the 0.203dB of gain that makes me feel that :-)


-- 
Phil Leigh

You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...
Touch(wired/XP) - TACT 2.2X (Linear PSU) + Good Vibrations S/W - MF
Triplethreat(Audiocom full mods) - Linn 5103 - Aktiv 5.1 system (6x
LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5), Pekin Tuner, Townsend
Supertweeters, Blue Jeans Digital,Kimber Speaker  Chord Interconnect
cables
Kitchen Boom, Outdoors: SB Radio, Harmony One remote for everything.

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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Robin Bowes
On 15/10/10 09:27, Phil Leigh wrote:
 
 I've just run the 24-bit USB version of Come Together vs the 16-bit
 remaster (ripped as 44.1/24 with DBP).
 
 The diff is -81dB (or about 13.5 bits) The difference file boosted by
 50dB is full of random noise as you'd expect but the track is still
 there within the noise - words and music clearly discernible.
 
 I'd say that equates to a potentially audible difference for some
 people. The 24-bit version sure sounds better to me too and no it's
 not the 0.203dB of gain that makes me feel that :-)

Phil,

I think some folk are suggesting that the 16-bit version is not a simple
down-sample of the 24-bit version.

Can you try down-sampling the 24-bit to 16-bit and re-doing the test?

R.
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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Wombat

firedog;582960 Wrote: 
 I've done it multiple times, even when sitting in an adjoining room. 
 
 Instead of just being a knee-jerk skeptic, why don't you listen and
 then decide?

And i ask again: Did you try the 24bit version against the 16bit
version done from the same files and how were the 16bit files created?

It is NOT woth anything if you listened some fuzzy feeling 24bit
version against some other version coming from a completely other
source and you think hearing differences cause of the bits.


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread michael123

Wombat;583004 Wrote: 
 And i ask again: Did you try the 24bit version against the 16bit version
 done from the same files and how were the 16bit files created?
 
 It is NOT woth anything if you listened some fuzzy feeling 24bit
 version against some other version coming from a completely other
 source and you think hearing differences cause of the bits.

Take -Jasmine- by Keith Jarrett, they released it simultaneously in RB
and in 24bit. I just listened today to both, 24bit version is more
'delicate' with more precise bass, and overall more enjoyable and
relaxed.
Do you want me to post the spectrum of the same song?


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Wombat

I quotet firedog cause he once mentioned hearing differences on a
Coltrane fromn HDtracks. Hdtracks only sells the 24/96 version of a new
transfer, no 16bit version to buy. 

A spectrum plot leads to nothing. This diffmaker is nice iy ou could
handle it. And if you could try to bitreduse the 24bit version with sox
and compare again.

But this discussion leads to nothing cause no one can prove anything
here.

I just wonder why still no one has tried the 24bit version directly
with a 16bit version from these files, not the cd release.

I Hope Robin Bowes now does :)


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread michael123

Wombat;583012 Wrote: 
 I just wonder why still no one has tried the 24bit Beatles version
 directly with a 16bit version from these files, not the cd release.

There are million ways you can downsample 24bit album, 
I once downsampled few of my high-res albums with r8brain to bring with
me to audition some speakers, but it turned to be that my host had CD
version of the same album and it (CD) was better..

You can make 16bit version better (if you have the skills and
equipment) than most commercial albums as these are not targeted for
audiophiles..

But..I do not understand your point. There are less (destroying music)
steps in 24bit mastering..


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Robin Bowes
On 15/10/10 13:17, Wombat wrote:

 I just wonder why still no one has tried the 24bit version directly
 with a 16bit version from these files, not the cd release.
 
 I Hope Robin Bowes now does :)

No time just now - I have asked Phil to try with diffmaker.

R.

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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Robin Bowes
On 15/10/10 13:41, Robin Bowes wrote:
 On 15/10/10 13:17, Wombat wrote:
 
 I just wonder why still no one has tried the 24bit version directly
 with a 16bit version from these files, not the cd release.

 I Hope Robin Bowes now does :)
 
 No time just now - I have asked Phil to try with diffmaker.

The main issue is I'm not confident in my understanding of sox, ie. I'd
want to read up on what it does to make sure I use the right dither process.

R.
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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread michael123

http://src.infinitewave.ca/


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Re: [SlimDevices: Audiophiles] Inguz dsp plugin - what are the results?

2010-10-15 Thread krzys

Ok I will try to explain, sorry for my basic English.
Ideally when measuring your system/room response, you want to include
all the components of your audio chain. With Audiolense (and many many
measuring software), the measuring signal is generated by the software
and you cannot play it trough SBS and SB box. You have to connect your
soundcard directly to your system bypassing the SB box. The measured
signal, which is used to generate correction filters, does not include
the “irregularities” of the SB box, thus this one have to be “perfect “
;-)

Audiolense is very easy to use but is not very competent in exporting
or importing recorded responses thus response recorded outside of the
Audiolense  is very hard to use.
. 
There are other ways to record signals and generate correction filters
but they are very annoying in use and very prone to faulty settings and
processing.
I don’t know Accourate but it is a bit costly 290 Euros (including
crossovers which I don’t want) compared to Audiolense at 170 Euros,
maybe it is better but It also won’t play the signal through the SB
box.

Completely free version is the DRC software, but you have to know DOS
and have to mess a lot to get it work. This software also does not play
trough SB box. The use is very well explained here 
http://www.alanjordan.org/RoomCorrection/Directions.html
just forgot the Convolver VST part, Inguz is a convolver. 

The only way to include SB box  I’m aware,  is to generate a sweep
signal and its reverse in Cool Edit (or similar software) , then play
it from SBS, record it with for ex Audiocity  and then create the
impulse response  needed for the DRC filters computing, long, nasty and
difficult process. I tried it and the results were very strange
sometimes. I prefer Audiolense even if there are some limitations. The
correction is still very good and makes a significant improvement in my
system (active 4 ways with cones and horns) 
Chris


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Wombat

Robin Bowes;583018 Wrote: 
 On 15/10/10 13:41, Robin Bowes wrote:
  On 15/10/10 13:17, Wombat wrote:
  
  I just wonder why still no one has tried the 24bit version directly
  with a 16bit version from these files, not the cd release.
 
  I Hope Robin Bowes now does :)
  
  No time just now - I have asked Phil to try with diffmaker.
 
 The main issue is I'm not confident in my understanding of sox, ie.
 I'd
 want to read up on what it does to make sure I use the right dither
 process.
 
 R.
 -- 
 Feed that ego and you starve the soul - Colonel J.D. Wilkes
 http://www.theshackshakers.com/

You don´t have to wait for Phil. I already wrote:

sox input24.wav --bits 16 output16.wav dither -a -f low-shibata

works! noise shaped dither with a not to high amplitude. Diffmaker
shows ~ -120dB at ear sensitive frequencies.

And Michael. Sox with some 90% and allow alias should give you a
similar or even better impulse as the Weiss. Weiss allows alias falling
back in. Since that happens above 20kHz Weiss thinks it can´t be heard.


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Re: [SlimDevices: Audiophiles] Stereophile Review II: What conclusion can be drawn from the Measurements?

2010-10-15 Thread Caad

Hi: 24bit=144dBThis can't at the moment be converted to analog. Max
dynamic out of a Current DAC is: 132dB (PCM1794 / PCM1792 in mono and
balanced configuration).
I once asked a Burr Brown sales manager why they annonced 24bit whaen
it not was possible to convert this to analog. He returned with a smile
and said. 24 maketing bit.


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Wombat

michael123;583015 Wrote: 
 
 But..I do not understand your point. There are less (destroying music)
 steps in 24bit mastering..
 

My point is that i am fed up with reading about how much superior 24bit
material is. 
I listen gear since a while now. I listen some very expensive
Avantgarde Trio systems for example. I hear different OP Amps and
electrolyts. I hear different caps in my speakers pretty clearly and so
on.
But i really have problems hearing differences in a good downsampled
version of a 24bit file.
Most often people just use a 24bit recording they got hold of and
listen it against some 16bit version they have without even thinking
about it may be more due to the different mastering and not the bits.

I myself think to hear some more relaxed playing on music with higher
samplerate. Downsampling just adds that tiny bit of hardness but not
like day and night. Dithering back 24bit to 16 without resampling, as
with HDCD for example didn´t show me any disadvantage at all but i
don´t listen at +120dB loudness at home :)


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread michael123

Wombat;583025 Wrote: 
 You don´t have to wait for Phil. I already wrote:
 
 sox input24.wav --bits 16 output16.wav dither -a -f low-shibata
 
 works! noise shaped dither with a not to high amplitude. Diffmaker
 shows ~ -120dB at ear sensitive frequencies.
 
 And Michael. Sox with some 90% and allow alias should give you a
 similar or even better impulse as the Weiss. Weiss allows alias falling
 back in. Since that happens above 20kHz Weiss thinks it can´t be heard.

Do not know what you consider as 'works'.
Resulted 16bit is essentially the same as Jarrett's version on CD,
which I already listened today..

Ear Sensitive is below 15KHz? For which age?
And there are clear differences in the low-freq area (which my ear
distinguish as well)


+---+
|Filename: 24bit.png|
|Download: http://forums.slimdevices.com/attachment.php?attachmentid=10759|
+---+

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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread michael123

Wombat;583030 Wrote: 
 I myself think to hear some more relaxed playing on music with higher
 samplerate. Downsampling just adds that tiny bit of hardness but not
 like day and night. Dithering back 24bit to 16 without resampling, as
 with HDCD for example didn´t show me any disadvantage at all but i
 don´t listen at +120dB loudness at home :)
Right!
But HDCD still sounds to me a bit harsh.. comparing to *good* high-rez
recordings..


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Wombat

michael123;583029 Wrote: 
 Do not know what you consider as 'works'.
 Ear Sensitive is below 15KHz? For which age?
 

This sox line works with the Beatles files Robin Bowes wants to try.

Ear sensitive is: http://en.wikipedia.org/wiki/Equal-loudness_contour
In the ear sensitive mids this sox shaped dither is below -120dB


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Robin Bowes
On 15/10/10 14:54, Wombat wrote:
 
 michael123;583029 Wrote: 
 Do not know what you consider as 'works'.
 Ear Sensitive is below 15KHz? For which age?

 
 This sox line works with the Beatles files Robin Bowes wants to try.

Correction: with the Beatles files *Wombat* wants Robin Bowes to try ;)

R.

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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Robin Bowes
On 15/10/10 13:54, michael123 wrote:
 
 http://src.infinitewave.ca/

See, that's what I mean. I don't have the time at the moment to read
through what that all means and how to interpret it.

R.

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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread Wombat

Robin Bowes;583033 Wrote: 
 On 15/10/10 14:54, Wombat wrote:
  
  michael123;583029 Wrote: 
  Do not know what you consider as 'works'.
  Ear Sensitive is below 15KHz? For which age?
 
  
  This sox line works with the Beatles files Robin Bowes wants to try.
 
 Correction: with the Beatles files *Wombat* wants Robin Bowes to try
 ;)
 

;)

The graphs at infinitewave are of no use for the Beatles material cause
we don´t do any resampling. We only add dither. So no need to go much
deeper atm.


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread opaqueice

firedog;582960 Wrote: 
 I've done it multiple times, even when sitting in an adjoining room. 
 
 Instead of just being a knee-jerk skeptic, why don't you listen and
 then decide?

You made a dithered 16 bit version from the 24 bit, and could tell them
apart blind?

Again, telling the CD version from the 24 bit version is potentially
much easier, since they are probably mastered differently.


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Re: [SlimDevices: Audiophiles] Beatles 24 vs 16 bits...

2010-10-15 Thread opaqueice

michael123;582962 Wrote: 
 BS
 high-res is very close to master if not the master itself.
 44.1/16 is downsampled, filtered and tortured version of it
 
 Did you ever compare CD vs 24bit?
 Audacity, else?
 No.

Again, CD versus 24 bit is not a meaningful test of whether 24 bit does
any good, because there is no reason to think that the CD version is
simply a lower res version of the 24 bit version.  (In fact there are
reasons to think the opposite.)  The only way to test this is to do the
truncation yourself, using e.g. sox.

And yes, I have done this (once), and yes, I -could- hear the
difference - but only in the noise floor on silent passages.

michael123;583006 Wrote: 
 Take -Jasmine- by Keith Jarrett, they released it simultaneously in RB
 and in 24bit. I just listened today to both, 24bit version is more
 'delicate' with more precise bass, and overall more enjoyable and
 relaxed.

See above.


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Re: [SlimDevices: Audiophiles] Inguz dsp plugin - what are the results?

2010-10-15 Thread krzys

Ok I will try to explain, sorry for my basic English.
Ideally when measuring your system/room response, you want to include
all the components of your audio chain. With Audiolense (and many many
measuring software), the measuring signal is generated by the software
and you cannot play it trough SBS and SB box. You have to connect your
soundcard directly to your system bypassing the SB box. The measured
signal, which is used to generate correction filters, does not include
the “irregularities” of the SB box, thus this one have to be “perfect “
;-)

Audiolense is very easy to use but is not very competent in exporting
or importing recorded responses thus response recorded outside of the
Audiolense is very hard to use.
. 
There are other ways to record signals and generate correction filters
but they are very annoying in use and very prone to faulty settings and
processing.
I don’t know Accourate but it is a bit costly 290 Euros (including
crossovers which I don’t want) compared to Audiolense at 170 Euros,
maybe it is better but it also won’t play the signal through the SB
box.

Completely free version is the DRC software, but you have to know DOS
and have to mess a lot to get it work. This software also does not play
trough SB box. The use is very well explained here 
http://www.alanjordan.org/RoomCorrection/Directions.html
just forgot the Convolver VST part, Inguz is a convolver. 

The only way to include SB box  I’m aware,  is to generate a sweep
signal and its reverse in Cool Edit (or similar software) , then play
it from SBS, record it with for ex Audacity  and then create the
impulse response  needed for the DRC filters computing, long, nasty and
difficult process. I tried it and the results were very strange
sometimes. I prefer Audiolense even if there are some limitations. The
correction is still very good and makes a significant improvement in my
system (active 4 ways with cones and horns) 
Chris


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Re: [SlimDevices: Audiophiles] Inguz dsp plugin - what are the results?

2010-10-15 Thread krzys

Firedog thanks for the question, it made me do some search and discover
the Waveinput plugin for SBS. 
http://wiki.slimdevices.com/index.php/WaveInput_plugin
In theory it let you send the soundcard output to the SBS. If it works
the test signal from Audiolense could then be sent to SBS and recorded
with the SB box in the chain. I will try it but it is not a very
friendly plug-in and some parameter have to be carefully monitored ex
sample rate
Chris


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Re: [SlimDevices: Audiophiles] How much can transport mechanism affect SQ?

2010-10-15 Thread magiccarpetride

opaqueice;582925 Wrote: 
 Do I hear more information on the main system?  I'm trying, but I
 can't think of any sense in which that's true.  It's simply that music
 has more impact, more clarity, a greater sense of space - it simply
 sounds much more like it does live.

There you go, you've just described your experience of more musical
information. So I'm relieved to hear that you haven't wasted your money
and that, indeed, you have gained deeper insight into the music material
you're listening to.

Good job.


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Re: [SlimDevices: Audiophiles] DAC Resolution Test and Don't EVER use Digital Volume Control

2010-10-15 Thread Daverz

Just decided to experiment with direct connection and I'm glad I did. 
Going direct instead of through my BAT 3iX tube pre-amp really wakes up
my Vandersteen Quatros (I bought the BAT before I bought the Quatros). 
Going direct really brightens things up.  But I have to attenuate at
least 20dB to get to my preferred serious listening volume.  I
ordered a pair of Endler stepped attenuators for this.


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