As far as I know you can only make MP3s from 16 bit audio. Always

dither 24 to 16 and save as a new files before compression.

I'm more of a professional audio engineer than a nature recordist, so
others may have more practical suggestions...

<L>
Lou Judson =95 Intuitive Audio
415-883-2689

On Apr 3, 2007, at 9:02 AM, geopaul7 wrote:

> 2.  16 bit v. 24 bit. Do you really gain anything by recording at 24
> bits, as compared to 16 bits, as far as listening goes?  How would
> you describe the difference in playback in words?  Again, what is the
> scientific basis for the purported psycho/accoustical difference?
>
> 3.  Compression of 16 bit v. compression of 24 bit.  Will you get a
> better MP3 file from a 24 bit recording than from a 16 bit
> recording?  Or does the fact that you compress the file eliminate any
> improvement in sound quality?  This is a tough one.   This seems
> quite relevant if 99% of your audience is listening to MP3s.