Audio processing flags and/or video constraints.
Optionalaudio?: {Audio capture with optional echo cancellation, noise suppression, auto gain control, and sample rate.
Optionalvideo?: boolean | MediaTrackConstraintsVideo constraints, or a boolean to enable/disable video.
The captured local media stream.
Convenience wrapper over getUserMedia that exposes common audio processing constraints without the full
MediaStreamConstraintsshape. Audio and video each default tofalse(disabled) when omitted.