Re: [codec] #15: Efficiently combine pre-encoded audio

stephen botzko <stephen.botzko@gmail.com> Sun, 11 April 2010 18:14 UTC

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From: stephen botzko <stephen.botzko@gmail.com>
To: hoene@uni-tuebingen.de
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Subject: Re: [codec] #15: Efficiently combine pre-encoded audio
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A related question is encoder-decoder synchronization time.  Generally audio
codecs are designed so that even if they start decoding with unknown state,
the encoder and decoder synchronize automatically and very quickly.

(Video codecs generally do not have this property BTW).

Stephen Botzko


On Sun, Apr 11, 2010 at 11:07 AM, codec issue tracker
<trac@tools.ietf.org>wrote;wrote:

> #15: Efficiently combine pre-encoded audio
>
> ------------------------------------+---------------------------------------
>  Reporter:  hoene@…                 |       Owner:
>     Type:  enhancement             |      Status:  new
>  Priority:  minor                   |   Milestone:
> Component:  requirements            |     Version:
>  Severity:  Active WG Document      |    Keywords:
>
> ------------------------------------+---------------------------------------
>  Ability to efficiently combine pre-encoded audio into a single stream. For
>  instance, if a server needs to play an announcement it would be nice to be
>  able to send pre-encoded, cached audio data to the client in such a way
>  that decoder will reset its state and decode this audio properly. Or, in
>  case of conference server, to switch to another audio source without the
>  need to decode and encode the audio again
>
> --
> Ticket URL: <http://trac.tools.ietf.org/wg/codec/trac/ticket/15>
> codec <http://tools.ietf.org/codec/>
>
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