MP3 doesn't perform well at low bitrates compared to other formats. I don't like to
promote Microsoft products but their Windows Media Audio format (WMA) does
surprisingly well at low bitrates. The "On-Demand Processor" as they call it is
(was?) a free download from their site. I've encoded some music in stereo at 32kb/s
and it wasn't too bad!. Better than Real Audio. 22kb/s requires a 44.1khz input file.
It was April last year when I installed it so it may have gone through some
improvements since then. At that stage it didn't have a lowpass filter for low
bitrates. It tries to encode the full 22khz audio and doesn't do too well. I was
able to increase the sound quality by passing the input file through a lowpass filter
before encoding.
Ross.
Graham Spice wrote:
> Which codec would you suggest for a VERY small filesize like 24kbps 11kHz file? I'm
>currently using the Frauf. professional codec which sounds great a 128kbps, much
>better than anything else. But, I question if the quality at 24kbps is as good as
>other codecs available for MPEG II Layer III. It seems to me that the Frauf.
>professional is designed for 128kbps, not 24! Anyone have any suggestions? BTW- VBR
>is unfortunately not an option for this application.
>
> Thanks in advance,
> Graham Spice
>
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