[vorbis-dev] Just to dispel any hopes -- RC3 really low bitrate
Jonathan Walther
krooger at debian.org
Wed Jan 2 02:01:49 PST 2002
So what command line options would you recommend for encoding a WAV file
of voice content, such as a political speech? I'm looking for the
smallest file size possible which is still listenable.
On Tue, Jan 01, 2002 at 10:49:05PM -0500, Monty wrote:
>That's not quite the best way to do it; just -M with no -b will give
>somewhat better results. In rc4, -q with -M will be possible, and
>this will be better yet. Setting -b and -M to the same value will
>cause far too much drastic hard limiting of the audio. You want the
>codec to be able to 'work ahead' and save up bits in the easy
>sections; using -b says 'always use 'em'.
>
>In any case, it's possible to go under 64kbps 44.1kHz stereo, but I
>find the results harsh so the encoder is neither tuned for it, nor
>intended to go lower. I can provide some examples using the rc4
>branch if you're curious; the effect is actually mp3proish as the high
>end gets more and more synthetic sounding, as opposed to the near
>total falling apart it does now.
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