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:-( MP3 destroys Surround Sound encoding
post Dec 3 2002, 00:18
Post #1

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I've been experimenting with MP3 and converting my CDs to MP3-320 compressed files. Unfortunately, I've discovered that the MP3 encoding process destroys the Rear Channel Sound. In a few cases I can still hear music in the rear, but for most songs the rear speaker just produces garbage sound... rather disappointing compared to the rich sound produced from the original CD!

I suppose MP3 considers the rear channel information to be "inaudible" which it would be in a standard 2-speaker stereo arrangement, but the addition of the rear speaker makes these types of sounds *very* audible. It's basically an echo effect that is audible when listening to the CD and places the listener *inside* the music, but sadly lacking on the MP3 rip. The stripping of that rear channel echo dramatically diminishes the experience.


P.S. I'm using CDex for ripping and LAME for encoding with the following settings: q=0;Very High Quality, Stereo, 320kbps.
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post Dec 19 2002, 03:24
Post #2

Group: Members
Posts: 155
Joined: 11-December 02
From: Alberta
Member No.: 4049

I thinks it's a hardware problem.....

MP3 is 2 channel (stereo) and only way to get sound from rear spker is emuate it virtually

If you have a creative spk/sndcrd,it's called CMSS ...

In Philips soudncard,it's called QMSS

you can find more info @ http://www.3dsoundsurge.com

still LAME 3.96.1 --preset extreme -q 0 -V 0 -m s at least until 2005.
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