[opus] Opus DTX issue report

[Jean-Marc Valin]

Hi Gonzalo,

Thanks for reporting this DTX issue. It should now be fixed in git. Can
you confirm this it is indeed the case?

Cheers,

	Jean-Marc

On 19/05/14 10:20 AM, Gonzalo Mariano (gmariano) wrote:
> Hello:
> 
>  
> 
> We noticed that opus reconstructed noise is pulsing with a 400ms pattern
> when dtx is enabled in silk mode. This is independent of the background
> noise level and is found with speech + non-speech period test files as
> well as variable level noise-only test files. This issue can be
> reproduced  with opus v1.1 using this command:
> 
>                 ./opus_demo voip 16000 1 25000 –dtx input.bin output.bin
> 
>  
> 
> We have attached a .wav file with the first channel as the input
> reference noise signal and the second channel as the opus codec output
> using the opus_demo application.It does not look like this has been
> reported already. We would like your feedback.
> 
>  
> 
> Thanks,
> 
> Gonzalo Mariano and Pascal Huart
> 
> Cisco
> 
>  
> 
>  
> 
> 
> 
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