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Explainerhttps://github.com/WICG/web_audio_playout

Specificationhttps://wicg.github.io/web_audio_playout

Summary

The AudioContext.playoutStats API allows an application to measure the
quality and latency of audio playout using WebAudio.


Blink componentBlink>WebAudio
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EWebAudio>

Motivation

There is currently no way to detect whether WebAudio playout has glitches
(gaps in the played audio, which typically happens due to underperformance
in the audio pipeline). There is an existing way to measure the
instantaneous playout latency using AudioContext.outputLatency, but no
simple way to measure average/minimum/maximum latency over time. With this
API, we want to propose a way to be able to measure the delay of that audio
and the glitchiness of the audio.


Initial public proposalhttps://github.com/WICG/proposals/issues/142

TAG reviewNone

TAG review statusPending

Risks


Interoperability and Compatibility

None


*Gecko*: No signal

*WebKit*: No signal

*Web developers*: No signals

*Other signals*:

WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that
it has potentially high risk for Android WebView-based applications?

None


Debuggability

None


Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
?No

Flag name on chrome://flagsNone

Finch feature nameNone

Non-finch justificationNone

Requires code in //chrome?False

Estimated milestones

No milestones specified


Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5172818344148992

This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.

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