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Hydrogenaudio Forums > Lossy Audio Compression > MP3 > MP3 - General
Vak
I've been ripping a lot of my CDs onto my computer, and soon to my iPod, and I seem to notice that the songs I rip in joint stereo seem to lack bass, while the WAV does not seem to, and the normal stereo version seemed to have more bass then the joint stereo version.

As far as I could tell, AAC seemed to sound the same as MP3 LAME joint stereo rips. Is there any reason why I seem to detect a lack of bass in the MP3 joint stereo versions that is in the WAV file, yet I seem to hear the bass in the MP3 stereo versions?

(By the way, I have been using 320kbps CBR joint stereo MP3 LAME encoding because I want the best quality possible.)

Granted I am using inexpensive headphones, but I can still detect more bass in the stereo encodings, as far as I can tell. The stereo encodes seem to sound more lively.
clintb
Short answer: Probably all in your head.

Research "ABX testing" here on the boards and try it out with some correctly encoded test examples. AFAIK, joint stereo is the default in LAME and a recent 128kbps encoder test shows that Ogg, iTunes AAC and LAME are virtually transparent to most. They've come a long way. Gone are the days of 320k and 256k CBR encodes.
kwanbis
crossposting is not good.

check this: http://www.hydrogenaudio.org/forums/index....howtopic=40607#
Alex B
QUOTE(Vak @ Jan 19 2006, 03:16 AM)
I've been ripping a lot of my CDs onto my computer, and soon to my iPod, and I seem to notice that the songs I rip in joint stereo seem to lack bass, while the WAV does not seem to, and the normal stereo version seemed to have more bass then the joint stereo version.

As far as I could tell, AAC seemed to sound the same as MP3 LAME joint stereo rips. Is there any reason why I seem to detect a lack of bass in the MP3 joint stereo versions that is in the WAV file, yet I seem to hear the bass in the MP3 stereo versions?

(By the way, I have been using 320kbps CBR joint stereo MP3 LAME encoding because I want the best quality possible.)

Granted I am using inexpensive headphones, but I can still detect more bass in the stereo encodings, as far as I can tell. The stereo encodes seem to sound more lively.
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QUOTE
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Gabriel
QUOTE
Granted I am using inexpensive headphones, but I can still detect more bass in the stereo encodings, as far as I can tell. The stereo encodes seem to sound more lively.

First you have to be sure that your are not a victim of placebo effect. The easier way to be sure is to perform an ABX test.
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