[Speex-dev] cannot hear a 1Khz tone with speex

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Thu Jan 8 04:19:26 PST 2009


Steve Underwood a écrit :
> Jason Hennigar wrote:
>> Hi Jean-Mark and Marco,
>>
>> I encountered the same problem using SPeex on a blackfin where any tone 
>> would pass correctly for between 1 and 2 seconds and then switch to 
>> noise afterwards. Disabling the VAD solves this issue.
>>   
> This is not a problem, its a feature. A tone is not voice. VAD should 
> suppress it.

Sorry, I thought this was the old encoder stability problem that's now
supposed to be fixed. Indeed, the VAD may just decide to cut down any
"constant noise".

	Jean-Marc


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