[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".


More information about the Speex-dev mailing list