[Speex-dev] Change target VBR on-the-fly?

[Keith Kyzivat]

Theora might be able to do that...

On Apr 11, 2008, at 18:53, Joshua Gargus <schwa at fastmail.us> wrote:

> Fantastic!  Thanks Tom.
>
> (if only it was possible to change the VBR target on the fly for the
> H264 codec we've licensed :-)  )
>
> Cheers,
> Josh
>
>
>
> On Apr 11, 2008, at 2:39 PM, Tom Grandgent wrote:
>
>> Josh,
>>
>> 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.
>>
>> Tom
>>
>> 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
>>> 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
>>> or
>>> 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?
>>>
>>> Thanks,
>>> Josh
>>
>
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