[asterisk-dev] iLBC packet loss concealment (was: code-cleanup concerns)

[Denis Smirnov]

On Mon, Apr 17, 2006 at 07:04:27PM +0800, Steve Underwood wrote:
>>transcode_via_sln, that used by default, is a VeryBadThing (tm)
 SU> I think very bad is overstating it. However, its not right. The ITU 
 SU> specs define specific ways to go ulaw->alaw->ulaw and 
 SU> ulaw->G.726->alaw->G.726->ulaw, and those are not followed. If they 
 SU> were, tandem operation would be better. I'm not sure that is a huge 
 SU> issue, though. Most of the transcoding is for things like G.729 or 
 SU> Speex, where the only way is via 16 bit linear audio.

Without this missfeature we can transcode, e.g, from 32k speex to 16k
speex (if we define it as separate codecs) without translating to 8k
slinear.

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