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Adaptive Digital’s Voice Activity Detection / Comfort Noise Generation (VAD/CNG) software performs voice activity detection and comfort noise generation. It is used in systems that used reduced bandwidth channels during silent or non-voiced portions of a conversation.
VAD determines whether or not speech is present in the outbound signal, CNG generates a noise signal at the level sent from the transmit side.
Supported by ARM processor-based devices
Specifications can be viewed on our website at: http://www.adaptivedigital.com/product/arm/vad-cng-arm.htm