This feature is well established and works across many devices and browser versions. It’s been available across browsers since October 2022.
The concealmentEvents property of the RTCInboundRtpStreamStats dictionary indicates the total number of concealment events for the received audio track over the lifetime of this stats object.
A concealed sample is a sample that was lost or arrived too late to be played out, and therefore had to be replaced with a locally generated synthesized sample. Any number of consecutive concealed samples following a non-concealed sample comprise a single concealment event. The value in this property will therefore be less than or equal to concealedSamples, which counts every sample.
Note: The value is undefined for video streams.
A positive integer.
| Specification |
|---|
| Identifiers for WebRTC's Statistics API> # dom-rtcinboundrtpstreamstats-concealmentevents> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
concealmentEvents |
86 | 86 | 106 | 72 | 14.1 | 86 | 106 | 61 | 14.5 | 14.0 | 86 | 14.5 |
RTCInboundRtpStreamStats.concealedSamplesRTCInboundRtpStreamStats.silentConcealedSamples
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https://developer.mozilla.org/en-US/docs/Web/API/RTCInboundRtpStreamStats/concealmentEvents