[asterisk-dev] AST_FRAME_DIGITAL

Klaus Darilion klaus.mailinglists at pernau.at
Thu Sep 13 17:29:26 CDT 2007


Kevin P. Fleming wrote:
> Matthew Fredrickson wrote:
> 
>> I can see their point though.  Why do it when you don't have to.  I 
>> think my propsed AST_FORMAT_DIGITAL with different subclasses that can 
>> be transcoded using an extension to the translation core would solve all 
>> of these issues.
> 
> While I think this is a good plan as well, I don't think the T.38
> example is actually accurate, because I don't think you can transcode
> T.38 to analog modem signals on a frame-by-frame basis.

Isn't it possible to have asynchronous translation? I think this is 
already needed if you do translation between codecs with different frame 
duration (e.g. 20ms ulaw and 30ms ilbc)?

regards
klaus




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