opus - Jun 2017 - Submitting a patch that exposes VAD voiced/unvoiced signal type

Hi,

I'm reaching out because we'd like to contribute back to the project a
patch that exposes the signal type of the audio packet when encoding the PCM
audio to OPUS. We've found the Opus VAD algorithm to be exceptional in this
regard and have written a library that leverages this information for audio
end-pointing. Attached is the patch. Please let us know if you'd be willing
to accept it, or if you'd prefer we fork libopus or recommend some other
option.


Thank you,
Peter Freshman
Manager of Solutions Integration
Nuance Communications, Inc.

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