[vorbis] Re: Re: fitting lots of music into 10GB with Vorbis

James Chapman james at player2001.com
Sun Dec 29 08:01:52 PST 2002

> An algebraic formula to calculate the bitrate from the quality would be
> handy
> at the moment, the formula " bitrate = 64 + (16 * n)" kinda works from n =
> to n = 4.09
>         where n is the quality, and bitrate is the nominal bitrate in
> this is going off the values entered for the quality in OggDropXpd1.6 beta
> 13
> someone who actually knows the way the vorbis encoder calculates the
> bitrate would probably find the correct algebraic formula quicker than i
> could.

Obviously, being VBR, it's not possible to calculate the average
bitrate from the quality, the best you can do is give a rough estimate.
Going from q-1 to q10 the nominal bitrates would be
{48,64,80,96,112,128,160,192,224,256,320,500} for 44100 stereo.

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