RTCRemoteInboundRtpStreamStats: roundTripTimeMeasurements property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

The roundTripTimeMeasurements property of the RTCRemoteInboundRtpStreamStats dictionary contains a positive integer value that represents the total number valid round trip time measurements received for this synchronizing source.

The count can be used as a measure of the availability and reliability of round-trip-time measurement data.

Value

A positive number indicating the number of valid round trip time measurements.

This is the count of RTCP Receiver Reports (RR) received for this synchronizing source that contain a non-zero value for the "delay since last SR (DLSR)" field.

Specifications

Specification
Identifiers for WebRTC's Statistics API
# dom-rtcremoteinboundrtpstreamstats-roundtriptimemeasurements

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
roundTripTimeMeasurements in 'remote-inbound-rtp' stats
Chrome – Full support
Chrome 91 (Release date: 2021-05-25)
footnote Full support
Edge – Full support
Edge 91 (Release date: 2021-05-27)
footnote Full support
Firefox – Full support
Firefox 106 (Release date: 2022-10-18)
footnote Full support
Opera – Full support
Opera 77 (Release date: 2021-06-09)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 91 (Release date: 2021-05-25)
footnote Full support
Firefox for Android – Full support
Firefox for Android 106 (Release date: 2022-10-18)
footnote Full support
Opera Android – Full support
Opera Android 64 (Release date: 2021-05-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 16 (Release date: 2021-11-25)
footnote Full support
WebView Android – Full support
WebView Android 91 (Release date: 2021-05-25)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support

See also