WPT
wpt / webaudio / the-audio-api / the-channelmergernode-interface / audiochannelmerger-input.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@2c385f65e, 2026-09-04) | 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 | 4/4 | 4/4 | 4/4 | 4/4 | 4/4 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Silent inactive inputs produce 0 in unused merger channels | PASS | PASS | PASS | PASS | PASS | — |
| Stereo input should down-mix properly to mono merger input | PASS | PASS | PASS | PASS | PASS | — |
| 3-channel input uses discrete rule, dropping 2nd and 3rd channels | PASS | PASS | PASS | PASS | PASS | — |
| Merging two mono sources into stereo using ChannelMerger | PASS | PASS | PASS | PASS | PASS | — |