WPT
wpt / webaudio / the-audio-api / the-audiocontext-interface / audiocontext-rendersizehint.html
Spec: Web Audio API ↗
Runs: Chrome 155.0.8041.0 (wpt@4a01b83e3, 2026-09-04) | Firefox 157.0a1 (wpt@e7122b73f, 2026-09-04) | Safari 251 preview (wpt@2c385f65e, 2026-09-04) | Ladybird 1.0-70fb3 (wpt@4a01b83e3, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 18/18 | 0/18 | 0/18 | 3/18 | 0/18 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| AudioContext with no hint hint | PASS | FAIL | FAIL | PASS | FAIL | — |
| AudioContext with "default" hint | PASS | FAIL | FAIL | PASS | FAIL | — |
| AudioContext with "hardware" hint | PASS | FAIL | FAIL | PASS | FAIL | — |
| AudioContext [Honored Exactly]: sampleRate 48000, renderSizeHint 1 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Honored Exactly]: sampleRate 48000, renderSizeHint 13 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Honored Exactly]: sampleRate 48000, renderSizeHint 127 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Honored Exactly]: sampleRate 48000, renderSizeHint 129 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Honored Exactly]: sampleRate 48000, renderSizeHint 256 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Honored Exactly]: sampleRate 48000, renderSizeHint 500 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Honored Exactly]: sampleRate 48000, renderSizeHint 16383 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Honored Exactly]: sampleRate 3000, renderSizeHint 18000 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Honored Exactly]: sampleRate 48000, renderSizeHint 288000 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Honored Exactly]: sampleRate 44100.1, renderSizeHint 264600 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Throws Exception]: sampleRate 48000, renderSizeHint 0 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Throws Exception]: sampleRate 3000, renderSizeHint 18001 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Throws Exception]: sampleRate 48000, renderSizeHint 288001 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| AudioContext [Throws Exception]: sampleRate 48000, renderSizeHint -1 | PASS | FAIL | FAIL | FAIL | FAIL | — |
| Base latency scales with render quantum size | PASS | FAIL | FAIL | FAIL | FAIL | — |