#8081: support of g729b codec
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Reporter: AlexanderU | Owner:
Type: enhancement | Status: new
Priority: wish | Component: avcodec
Version: git-master | Resolution:
Keywords: g729 | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by cehoyos):
Replying to [comment:4 AlexanderU]:
> yes. Are there any specific way to confirm that?
My question was if you used the file that you attached here to create the
output file (that you also attached). Afaik, the difference between G.729
and G.729B is that G.729B is able to send (via network) the information
that the sender is silent which is a shorter package than an actual audio
package, this cannot be done in a wav file, see ticket #7604. If your file
would contain such ''2-byte Silence Insertion Descriptor'' packets, the
output file would have to be longer (but it is too short even if the input
does not contain any Silence Insertion Descriptor packets).
My suspicion is that ACELP.KELVIN uses other coefficients than G.729 or
has other small differences.
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Ticket URL: <https://trac.ffmpeg.org/ticket/8081#comment:6>
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