Nordstjernen audio test
1. MP3 <audio> — 440 Hz, 2 s
Play
Pause
2. Opus/WebM <audio> — 330 Hz, 2 s
Play
Pause
3. VP9+Opus <video> — test pattern + 550 Hz, 4 s
Play
Pause
Toggle mute
4. MSE (audio+video SourceBuffers) — same clip via MediaSource
Start MSE
Play
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Event log