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Re: VAD (Voice Activity Detection) algorithms?

To: AUDITORY@xxxxxxxxxxxxxxx
Subject: Re: VAD (Voice Activity Detection) algorithms?
From: =?gb2312?q?chen=20zhixin?= <chenzhixin@xxxxxxxxx>
Date: Sat, 1 May 2004 01:55:45 +0800
Comments: To: "Richard H." <auditory@AUGMENTICS.COM>
Delivery-date: Fri Apr 30 14:30:27 2004
In-reply-to: <041301c42eca$3f46e9e0$16194e51@oemcomputer>
Reply-to: =?gb2312?q?chen=20zhixin?= <chenzhixin@xxxxxxxxx>
Sender: AUDITORY Research in Auditory Perception <AUDITORY@xxxxxxxxxxxxxxx>

Hi, Richard

Both ITU G.723.1 and G.729 provide VAD algorithm/c code. They perform well in modest SNR environment.

Best Regards,

Chen

"Richard H." <auditory@AUGMENTICS.COM> wrote:

Hi,

Does anyone have any idea where I can find some simple algorithms/code to allow the presence or absence of speech in a signal to be
detected?

Thanks,

Richard

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