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conformance · v146
v146 · playback-statistics-api-for-webaudio — conformance probe
7 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.
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pass
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fail
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blocked
7
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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
audiocontext-exists |
The AudioContext constructor is exposed — the host interface that now carries the playbackStats getter. | exists | … | |
audiocontext-has-playbackstats |
AudioContext instances expose a playbackStats getter. | script | … | |
audioplaybackstats-interface-exposed |
The AudioPlaybackStats interface object is exposed on the global scope. | exists | … | |
playbackstats-has-fallback-frames-duration |
AudioPlaybackStats exposes fallbackFramesDuration as the cumulative duration the engine substituted silence/fallback frames. | script | … | |
playbackstats-has-fallback-frames-events |
AudioPlaybackStats exposes fallbackFramesEvents — the count of dropout occurrences. | script | … | |
playbackstats-has-total-frames-duration |
AudioPlaybackStats exposes totalFramesDuration to give a denominator for fallback-frame ratios. | script | … | |
playbackstats-tojson-defined |
AudioPlaybackStats includes a toJSON() method for trivial serialisation of the statistics snapshot. | script | … |