A MediaTrackState.isEnabled corresponding to MediaStreamTrack.enabled. But these values only match if MediaTrackState.isAlive.
A MediaTrackState.isMuted corresponding to MediaStreamTrack.muted. But these values only match if MediaTrackState.isAlive.
Jitter in milliseconds
Audio concealment ration (conceled duration / total duration)
A MediaTrackState is alive if the corresponding MediaStreamTrack track bound to a transceiver and the MediaStreamTrack is in state MediaStreamTrack.readyState === live