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best MP3 decoder... for sound quality, for Winamp or other apps
s8n
post Jun 24 2005, 14:19
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hi team....... i am heavily into music and sound quality.....i use FLAC by default , but i use MP3 to test and review new bands as MP3 is very compatible....

i need a MP3 decoder , that is the best in the scene ..... in terms of sound quality

any help is appreciated

s8n
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s8n
post Jun 24 2005, 14:23
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oh i mean a player or codec.......
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sh1leshk4
post Jun 24 2005, 14:36
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Hardware players like iPod or software players like Winamp?

If u're talking hardware, I can't recommend anything since I've only used a Creative Jukebox Zen.
(to those who wants to laugh I'm using a Creative, laugh already...)

If it's software, I don't think there'd be any difference between playing it over Winamp, fb2k, or any other multimedia player.
Well, the playback quality really depends on your audio card, speakers, and/or headphones.
(assuming it's playing the same file)

Unless u're asking about a codec to encode songs to MP3, then it should be LAME.
Recommended version of LAME and settings can be viewed on one of the pinned threads.
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s8n
post Jun 24 2005, 15:05
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im talking Pc software........the best MP3 decoding/playing software available
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stephanV
post Jun 24 2005, 15:14
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I think all mp3 decoders should practically (and probably theoretically too) give the same output, hence there is no quality difference. So everything is depending on other factors as your hardware, which falls outside of the scope of your question and concern.


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Axon
post Jun 24 2005, 15:25
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That depends on what bitrate you're talking about.
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stephanV
post Jun 24 2005, 17:55
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how does it depend on that?


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xmixahlx
post Jun 24 2005, 18:01
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http://www.hydrogenaudio.org/forums/index....showtopic=17728


later


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NIN9
post Jun 24 2005, 18:27
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There is an alternative Winamp 5 decoder plugin out there (ochtans mpg123) , that aimes quality.

Check this thread

It would be more efficent when you use the right encoder or software.
Write a small advice for the bands you review which software they should use.

LAME Drop is the easiest MP3 encoder I know so far, just drag and drop the wav file you want to have in MP3 (using lame 3.96.1 compile), in the encoding options context menu you can change the quality you want.

And again here is a list of recommended LAME settings

--alt-preset standard & --alt-preset extreme are enough for normal users,
when want EVEN better quality than go to a lossless format.

(btw use the search fuction on these forums ;-) )
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johny5
post Jun 24 2005, 18:38
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QUOTE (xmixahlx @ Jun 24 2005, 06:01 PM)

Sorry to go a little ot, but this question is about the above thread, and i dont want to revive a year old thread.
I looked at this and it is all about dithering. I read that the foobar dithering is based on ssrc and on somebodies suggestion. Could somebody give some more info on what kind of dithering and noiceshaping exactly has been applied. I like to use it to smile.gif.

I hope the dithering algo from ssrc has been copied with care since the ssrc dithering code has some major bugs in it which i have reported earlier.

This post has been edited by johny5: Jun 24 2005, 18:40
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Skymmer
post Jun 25 2005, 01:05
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If you are looking for highest decoding quality then Apollo for you. Since version 37zl it features the best at the moment decoding precise with the RMS level 7.16910−10 and maximum difference 1.19210−7. More details here:
http://www.hydrogenaudio.org/forums/index....topic=30009&hl=
The info in that topic is little bit outdated and version mentioned there is 37zh.
Another high quality decoder is MPADec. Binary can be taken here
The MPADec results are RMS level 2.28x10-9 and max difference 1.192x10-7
Apollo homepage is here.
I'm also did a little test with the most well known decoders/decoding engines to see how they're treat freeformat streams and Lame tag for gappless decoding.

CODE
Lame tag Free format
-------------------------------------------
Lame N N
Winamp (in_mp3) N N
Winamp (in_mpg123) Y N
Winamp (in_mad) N Y
mpg123 N N
MAD N Y
MPADec Y Y
Apollo N Y
Foobar (mpglib) Y N
Foobar (MAD) Y N
XMPlay Y? N


In my opinion MPADec is the choice. It supports freeformat and Lame tag providing also extremly high quality.

This post has been edited by Skymmer: Jun 25 2005, 01:16


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rjamorim
post Jun 25 2005, 02:05
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QUOTE (Skymmer @ Jun 24 2005, 09:05 PM)
CODE
Lame tag Free format
-------------------------------------------
Lame N N
*


No Lame Tag in Lame? That's curious laugh.gif

As for free format: Anyone actually uses it extensively? (or at all...)


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2Bdecided
post Jun 25 2005, 02:13
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It would be possible to make a decoder which matched the MPEG compliance decodes perfectly, but still caused audible problems with other bitstreams - simply because the MPEG compliance streams do not test every possible decoding issue.

Cheers,
David.
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William
post Jun 25 2005, 05:50
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I have the impression that the difference of decoding quality between different decoders is not easily audible in normal listening conditions. I would rather consider the features (such as support for RG) instead.
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neoufo51
post Jun 25 2005, 05:58
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QUOTE (William @ Jun 24 2005, 09:50 PM)
I have the impression that the difference of decoding quality between different decoders is not easily audible in normal listening conditions. I would rather consider the features (such as support for RG) instead.
*

If you want both, then I suggest the foobar2000 0.9 beta. There is really nothing more feature rich than that player.
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Skymmer
post Jun 25 2005, 08:58
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QUOTE (rjamorim @ Jun 25 2005, 04:05 AM)
As for free format: Anyone actually uses it extensively? (or at all...)


I think no but anyway additional features are always good, isn't it? smile.gif


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Societal Eclipse
post Jun 25 2005, 23:13
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Where can one get a Win32 exec of MPADec? The Sourceforge page for it has no files and the link john33 provided in that old discussion doesn't work anymore. sad.gif


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rjamorim
post Jun 25 2005, 23:51
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http://pessoal.onda.com.br/rjamorim/mpadec.zip


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Societal Eclipse
post Jun 26 2005, 15:31
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QUOTE (rjamorim @ Jun 25 2005, 02:51 PM)


Thanks! I purchased some albums in mp3 format a while back and it always helps to get the best out of them. biggrin.gif


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Enig123
post Jun 26 2005, 15:53
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Does there any foobar2000 mp3 plugin based on mpadec lib exist?
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rjamorim
post Jun 26 2005, 19:58
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QUOTE (Societal Eclipse @ Jun 26 2005, 11:31 AM)
Thanks!  I purchased some albums in mp3 format a while back and it always helps to get the best out of them. biggrin.gif
*


QUOTE (Enig123 @ Jun 26 2005, 11:53 AM)
Does there any foobar2000 mp3 plugin based on mpadec lib exist?
*


...and the paranoia starts anew.

Really, do you guys believe you'll ever be able to notice the difference between MPAdec, mpg123, MAD, in_mp3, Apollo...?


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moozooh
post Jun 26 2005, 20:51
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And what about decoding speed?


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LMS
post Jun 26 2005, 21:41
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Well, if you are just going to listen to the MP3s then mpadec is fairly useless, since all it can do in present form is decode to a wave file. To save MP3s to audio CD format, it may be of use, but one wonders what sort of reduction to 16 bits is used to make the wave. The only documentation I could find is the usage text in the executable, which makes no mention of dithering or noise shaping. Probably just truncates.

Anyway, why would you rely on software that is called "pre-alpha"? Just use either of the decoders available for Foobar (mpglib or MAD) and turn on the dithering and noise shaping if outputting at 16 bits. The "paranoia" road is a waste of time and life is short.

This post has been edited by LMS: Jun 26 2005, 21:41
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Enig123
post Jun 27 2005, 01:22
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QUOTE (rjamorim @ Jun 27 2005, 02:58 AM)
QUOTE (Enig123 @ Jun 26 2005, 11:53 AM)
Does there any foobar2000 mp3 plugin based on mpadec lib exist?
*


...and the paranoia starts anew.

Really, do you guys believe you'll ever be able to notice the difference between MPAdec, mpg123, MAD, in_mp3, Apollo...?
*



No. But the ability of error recovering of MAD lib is better than mpg123. I've tested both with some mp3s with errors, the one MAD lib can recover correctly sounds pops when decoding with mpg123 lib.

I hope this mpadec lib can do better error correcting job and be faster than MAD anyhow.
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neoufo51
post Jun 27 2005, 06:18
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i guess then there is no real difference in quality between all these decoders?
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