Much I discovered by browsing the code GitHub freedesktop/pulseaudio-webrtc-audio-processingĪudioProcessing library based on Google's implementation of WebRTC - freedesktop/pulseaudio-webrtc-audio-processing I never got that far and maybe when enabled some of the function that seems pointless then kicks in somehow. There is also mobile=0 which wen enabled has a different aec section of the code and may be more suited for a Pi Voice AI. I have searched every where from the pulseaudio dbus and even stream name and nothing is available to actually use VAD as there isn’t a message or signal. The voice_detection=1 is also another great mystery as even if enabled and it does detect it does nothing. The ArchLinux wiki as usual is a great source of info.Īlso you have AGC enabled so volume should be automatically levelled digital_gain_control=1 but after that include agc_start_volume=85 as if its too low it never gets a signal to kick in AGC Possible values 0-255. # Use PulseAudio by defaultĭescription "Default ALSA Output (currently PulseAudio Sound Server)" You can also setup as you have and create a nf and all your alsa devices and commands will use pulseaudio and pulseaudio-alsa. Many, many thanks if you can give any info? Made any sense of the code that it seems DOA (Direction Of Arrival) With “a,e,r” as always wondered how you could without loading andĪpols but I can not find any info on this and my ability hasn’t really In that Direction Of Arrival is part of webrtc and its handledĪutomatically or do you have to provide updates to module-echo-cancel Level horizontally as the center of the array, and positive angles go Zero radians elevation means that the target is on the same Points to the right of the mic array, and positive angles move in aĬounter-clockwise direction. ‘a’ is the azimuth of the target in radians. The value is a list of three numbers (a spherical point
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