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threadnet-call/docs
Thore CimbalandClaude Opus 4.8 dcc86431dc fix(audio): restore the upstream off-path, gate the AI filter off (v0.5.0 incident)
threadnet.8 broke unmuting in production, both ways. With the filter on, LiveKit
refuses the processor because the room is built without webAudioMix, so no local
track ever carries an AudioContext. With the filter off, the options builder
still emitted processor: undefined and rewrote noiseSuppression - LiveKit copies
every key of audioCaptureDefaults into the getUserMedia constraints, undefined
included, and Safari stopped unmuting over it.

The off-path is now a conditional spread that produces an object identical to
upstream: no processor key at all, noiseSuppression untouched. Two regression
tests pin this down and were demonstrably red on the old code.

The feature itself is hard-gated off (AI_NOISE_SUPPRESSION_AVAILABLE) until the
webAudioMix decision is made and tested in a two-person call. The gate also
neutralizes clients that enabled the setting before - that state lives in
localStorage and survives every deployment. The settings UI hides behind the
same gate.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-16 12:00:00 +00:00
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