RTCAudioSourceStats: totalSamplesDuration property

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The RTCAudioSourceStats dictionary's totalSamplesDuration property represents the combined duration of all samples produced by the media source over the lifetime of this stats object, in seconds. It does not include samples dropped before reaching this media source.

This can be used with totalAudioEnergy to compute an average audio level over different intervals.

Note: For audio duration of remotely sourced tracks, see RTCInboundRtpStreamStats.totalSamplesDuration.


A number indicating the total duration of all samples produced by this source over the lifetime this stats object, in seconds.


Identifiers for WebRTC's Statistics API
# dom-rtcaudiosourcestats-totalsamplesduration

Browser compatibility

BCD tables only load in the browser