/// Set to true to start the outgoing audio stream muted by when first connecting to the RTC room. It must be manually unmuted with a
/// call to <see cref="RTCAudio.RTCAudioInterface.UpdateSending" />. If manual audio output is enabled, this value is ignored. The default is false if this struct
/// is not specified.
/// Set to true to start the audio input device's stream as muted when first connecting to the RTC room.
///
/// It must be manually unmuted with a call to <see cref="RTCAudio.RTCAudioInterface.UpdateSending" />. If manual audio output is enabled, this value is ignored.
/// The default value is false if this struct is not specified.