Contact emails hongc...@chromium.org, ajayrahate...@google.com
Explainer N/A - the specification (W3C Recommendation) is already published. Specification https://www.w3.org/TR/webaudio/#dom-audiocontext-outputlatency Summary AudioContext.outputLatency property is the estimation in seconds of audio output latency. Technically, this is the interval between the time the UA requests the host system to play a buffer and the time at which the first sample in the buffer is actually processed by the audio output device. For devices such as speakers or headphones that produce an acoustic signal, this latter time refers to the time when a sample’s sound is produced. Blink component Blink>WebAudio <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EWebAudio> TAG review Completed: Web Audio API specification is W3C Recommendation. TAG review status Completed: Web Audio API specification is W3C Recommendation. Risks There is a risk of the feature being used for fingerprinting. However outputLatency is the buffer size of the platform-provided audio callback, so the value is inherently platform-specific. That said, the majority of the platform audio buffer size is widely known. (MacOS = 128 frames, Windows = 10ms, Android = 96 frames, etc) This feature does not expose more than what you can query/infer from the UA string. Interoperability and Compatibility Gecko: Shipped/Shipping WebKit: No signal Web developers: Positive ( https://github.com/WebAudio/web-audio-api/issues/12) Other signals: A WebCodecs demo application needs this feature. Is this feature fully tested by web-platform-tests <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md> ? No - this property represents a platform-provided output latency value of a selected audio device. It does not work properly without an actual audio device. Flag name N/A Requires code in //chrome? False Tracking bug http://crbug.com/785409 Launch bug http://crbug.com/1258109 Estimated milestones 98 Link to entry on the Chrome Platform Status https://chromestatus.com/feature/5682265146261504 This intent message was generated by Chrome Platform Status <https://www.chromestatus.com/>. -- Ajay Rahatekar | Technical Program Manager | ajayrahate...@google.com | 650-797-1279 <(650)%20650-797-1279> -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to blink-dev+unsubscr...@chromium.org. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAHB%2BDAgeEo86rN4TrL4n8DutRczgXAogTwYLTo%2BPZco84aMq%3Dg%40mail.gmail.com.
