[Speex-dev] Change target VBR on-the-fly?
schwa at fastmail.us
Fri Apr 11 15:53:46 PDT 2008
Fantastic! Thanks Tom.
(if only it was possible to change the VBR target on the fly for the
H264 codec we've licensed :-) )
On Apr 11, 2008, at 2:39 PM, Tom Grandgent wrote:
> Yes, you can change VBR quality or ABR average bitrate at any time.
> You don't need to do anything special. I use this feature (changing
> VBR quality midstream) from time to time and it's quite convenient.
> Joshua Gargus <schwa at fastmail.us> wrote:
>> Hi there (from speex-dev newbie),
>> Is it possible to change the target VBR on the fly? The application
>> is a virtual world with multiple media types (voice, video, 3d
>> interaction, VNC, etc.) where the total required bandwidth has high
>> variability. Sometimes we'll be able to spare 30kbps per speaker,
>> and other times we will need to restrict the bandwidth considerably.
>> It would be a shame to always make the worst-case assumption, even
>> though the bandwidth might usually be available.
>> I was going to ask if there are any other speech codecs (commercial
>> otherwise) that support this capability, but I guess not since Speex
>> is the only one that supports VBR (according to http://speex.org/comparison/)
>> .. Right?
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