Re: MD: lossless compression

2001-01-13 Thread JT


On Thu, 11 Jan 2001, David W. Tamkin wrote:

 There is another that I heard of, but I can't remember its name, and I
 never did know where to find out about it.

Monkey Audio.  Not sure of the website ATM.

Josh

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Re: MD: lossless compression

2001-01-13 Thread Matt Wall


2 lossless audio compression's i've heard of

http://www.monkeysaudio.com/

http://www-ft.ee.tu-berlin.de/~liebchen/lpac.html

i hope this is what your looking for

- Original Message - 
From: "JT" [EMAIL PROTECTED]
To: "MDList" [EMAIL PROTECTED]
Sent: Saturday, January 13, 2001 5:11 PM
Subject: Re: MD: lossless compression


 
 On Thu, 11 Jan 2001, David W. Tamkin wrote:
 
  There is another that I heard of, but I can't remember its name, and I
  never did know where to find out about it.
 
 Monkey Audio.  Not sure of the website ATM.
 
 Josh
 
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Re: MD: lossless compression

2001-01-12 Thread Francisco J. Huerta


I beg to differ. The format is called MLP (Meridian Lossless Packing) and it
is distributed by Dolby Labs. It can compress any PCM file, and yes, it is
supposed to be used in DVD-A.


- Original Message -
From: "David W. Tamkin" [EMAIL PROTECTED]
To: "MDList" [EMAIL PROTECTED]
Sent: Thursday, January 11, 2001 10:29 PM
Subject: Re: MD: lossless compression

 5:1 lossless compression doesn't exist, at least not yet.

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Re: MD: lossless compression

2001-01-12 Thread Anthony Lalande


 I beg to differ. The format is called MLP (Meridian Lossless Packing) and it
 is distributed by Dolby Labs. It can compress any PCM file, and yes, it is
 supposed to be used in DVD-A.

So if CDs can hold 74 minute of uncompressed audio with 650 Megabytes, a
(Single-sided, single-layered) DVD with 4.37 Gigs could hold...

509 minutes (8.48 hours) of uncompressed (CD-quality) audio
2545 minutes (42.4 hours) of MLP-compressed (CD-quality) audio
5599 minutes (93.3 hours minimum) of MP3-compressed audio *

* I once read that MP3 gave compressions of 11:1 up to 20:1, but I don't
know what setting (bitrate, frequency, etc...) this is at.

Of course, none of this is related to MiniDisc, but interesting nonetheless.
- Anthony L.

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Re: MD: lossless compression

2001-01-12 Thread Steve Corey


"Francisco J. Huerta" wrote:
 
 I beg to differ. The format is called MLP (Meridian Lossless Packing) and it
 is distributed by Dolby Labs. It can compress any PCM file, and yes, it is
 supposed to be used in DVD-A.
 
  5:1 lossless compression doesn't exist, at least not yet.
 

I looked up Meridian Lossless Packing and came up with this:

http://www.meridian-audio.com/p_mlp.htm

From the article:  "MLP is expected to reduce bandwidth by 38 to 52% (to
6.6-8.6 Mbps), allowing anywhere from 73 to 89 minutes on a DVD-5"

That is nowhere near 5:1 lossless compression. 

-steve
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Re: MD: lossless compression

2001-01-12 Thread Stainless Steel Rat


* Steve Corey [EMAIL PROTECTED]  on Fri, 12 Jan 2001
| That is nowhere near 5:1 lossless compression.

Right.  These days the most advanced compression algorithms with large
blocks is around 2.0-2.5:1.  Five to one is not going to happen for a
while.  The memory and processing requirements are astronomical based on
today's tech.
-- 
Rat [EMAIL PROTECTED]\ Ingredients of Happy Fun Ball include an
Minion of Nathan - Nathan says Hi! \ unknown glowing substance which fell to
PGP Key: at a key server near you!  \ Earth, presumably from outer space.

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RE: MD: lossless compression

2001-01-12 Thread mike . hinson


I have recently been looking at Lossless compression products  was quite
impressed with the following Free product.

http://www.monkeysaudio.com/

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Re: MD: lossless compression

2001-01-11 Thread David W. Tamkin


| 
| 
| Anthony Lalande [EMAIL PROTECTED] wrote:
| I think it's all subjective. Cassettes are low-end, because of their
| low signal-to-noise ratios (I think; I'm not an expert in this sort
| of thing), but they were high end once. So were vinyl records and
| Victorolas.
Dan Frakes wrote,

| Um... is there such a thing as "lossless" compression? I don't think
| so... I think "lossy compression" is redundant ;)

Yes, there is such a thing, so no, the term isn't redundant.  In addition
to Dave Kimmel's example of .zip files, there is an audio format called
"Shorten" that compresses .wav files by about 2:1 with no loss of data,
described and promoted at http://www.etree.org.

There is another that I heard of, but I can't remember its name, and I
never did know where to find out about it.

5:1 lossless compression doesn't exist, at least not yet.

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