On Sat, 8 Jan 2000, Mathew Hendry wrote:
> Hi all,
>
> I've noticed that some MP3 encoders (notably some versions of FhG) offer
> "non-standard" bitrates without the use of free format. They do this by
> alternating between the two closest bitrates. e.g. I can use
>
> mp3enc -if foo.wav -of foo.mp3 -br 110000 -qual 6
> producing an MP3 that uses 112kbps most of the time, dropping to 96kbps
> regularly to reduce the average bitrate to 110kbps. It would seem that this
> could be done without too much discontinuity in bits-per-frame by using the
> bit reservoir to absorb the changes.
This is a special case of VBR, it shouldn't be too hard to imitate.
> Would this feature be quite easy to add to LAME? I've found it quite useful
> in making MP3s "just fit" a particular medium, e.g. compressing 14 60 minute
> CDs at 110kbps to almost exactly fill a single CDR. (The BBC dramatization
> of Lord of the Rings, for those wondering :)
What is with Lord of the Rings? It was my VBR test case too. (and
someone elses) :)
--
MP3 ENCODER mailing list ( http://geek.rcc.se/mp3encoder/ )
