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conformance · v153
v153 · speechrecognitionresult-timestamps-webspeech-api — conformance probe
8 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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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
result-exposes-audio-start-time |
An actual SpeechRecognitionResult exposes the proposed readonly audioStartTime attribute on the result receiver. spec ↗ | manual | … | |
result-exposes-audio-end-time |
An actual SpeechRecognitionResult exposes the proposed readonly audioEndTime attribute on the result receiver. spec ↗ | manual | … | |
audio-start-time-number-or-null |
result.audioStartTime is either a DOMHighResTimeStamp number in milliseconds relative to the time origin or null when the backend supplies no segment timing. spec ↗ | manual | … | |
audio-end-time-number-or-null |
result.audioEndTime is either a DOMHighResTimeStamp number in milliseconds relative to the time origin or null when the backend supplies no segment timing. spec ↗ | manual | … | |
audio-bounds-ordered-when-present |
When both timing values are numbers for a transcribed audio segment, audioStartTime is no later than audioEndTime. spec ↗ | manual | … | |
latency-uses-common-time-origin |
For a live result with numeric audioEndTime, event.timeStamp − result.audioEndTime is a finite processing-latency value because both operands use the time-origin clock. spec ↗ | manual | … | |
timestamp-attributes-are-readonly |
audioStartTime and audioEndTime are readonly attributes; script assignment does not replace the values supplied by the recognition implementation. spec ↗ | manual | … | |
timestamps-belong-to-result-not-alternative |
audioStartTime and audioEndTime belong to SpeechRecognitionResult, not to each SpeechRecognitionAlternative or to SpeechRecognitionEvent. spec ↗ | manual | … |