[Olympus developers 234]: Re: Problems with VAD

[Alex Rudnicky]

Jose,

There are actually three different end-pointers in Olympus; these are selectable in (I believe) the configuration for the Audio server. You might try experimenting with alternate ones. Also, it might be worth a try to modify the end-pointing sensitivity parameters.

Alex


-----Original Message-----
From: olympus-developers-bounces at mailman.srv.cs.cmu.edu [mailto:olympus-developers-bounces at mailman.srv.cs.cmu.edu] On Behalf Of José David Lopes
Sent: Tuesday, June 08, 2010 6:56 AM
To: olympus-developers at cs.cmu.edu
Subject: [Olympus developers 233]: Problems with VAD

I'm working on a dialogue system with a different ASR module. I'm
experiencing some problems with the VAD. This module seems very
sensitive, triggering very easily, and thus forwarding the data coming
from the microphone to the engines even if it is not speech. I was
wondering if I could convert our own GMM models for VAD to the sphinx 3
format. Is there any tool available to convert a standard format (for
instance HTK) to sphinx 3 format? I could also train GMMs using our own
Olympus data. Did anyone did this before?

Best,
Jose David