There are several levels of MP3. The larger the MP3 file is for a
given Wave file, the better the audio quality. The largest file is the one
that is not compressed at all and is the original Wave file. Now there are
several levels of Wave files also but the Wave file quality is determined at
recording time and once the recording is made the quality of the Wave file
can not be changed. I can compress a given Wave file into any one of
several levels of MP3. What level of MP3 I use depends on what sort of
audio quality I want and how much room I have on my hard drive. I usually
compress my music to 128 Kilo Bits per Second MP3. This shrinks a Wave file
down to one tenth of its original size. With this level of compression,
some people can hear the loss in audio quality and some can't. A CD quality
Wave file plays at 1378 Kilo Bits per Second. I usually compress speech
down to 32 Kilo Bits per Second MP3. This shrinks a Wave file down to one
fortieth its original size. Music would sound bad at this level for most
anyone but speech quality here is good enough for me.
I think most CD players these days can play MP3 files as well as
regular CDs. Mine does and I bought it four years ago. If I bought a new
CD player today though I would still check to be sure that it would play
MP3s.
Jerry
Chirp|Chirp|Chirp: It's the Bat, Chirping Bat .Com
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