[Freeswitch-users] Using fs_encode on G722 audio produces half speed wav file

[Brian West]

I would bet that may be a buglet, since G722 is clocked at 8k but really a
16k codec, Can you file a JIRA on that?

On Wed, Oct 8, 2014 at 6:15 PM, Michael Collins <msc at freeswitch.org> wrote:

> For those of you familiar with the fs_encode tool I have a question - I
> can run it on a G722 raw file (such as is produced when using tshark to
> extract the RTP stream) and it produces a perfect wav file at exactly half
> speed.
>
> I'm using basic syntax:
> #>fs_encode raw_audio.G722 output.wav
>
> Looking at fs_encode's options I tried using -r to specify the sampling
> rate, but that seems to apply to the input on the codec and anything other
> than 8000 produces an error.
>
> Has anyone used fs_encode to decode G722 (or any other exotic codec) with
> success? I appreciate your input.
>
> -MC
>
> P.S. - doing #>sox slow_audio.wav normal_audio.wav speed 2.0 will "fix"
> the file, so I'm not totally dead in the water. I was just curious if I was
> possibly not using fs_encode properly. :)
>
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*Brian West*
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