FA-10922 / Audio channel mixing / Member archive
Mute preserves duration · case 02
Dropping muted samples advances the playback timeline instead of silencing it.
Case contract
Mute replaces mono samples with signed-PCM silence while retaining buffer length; unmuted buffers pass through.
Why this case matters
A pure Python local audio pipeline stage with explicit sample formats and frame conventions; no real-time device or signal-spectrum claims.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| fixture 1 | [] | [0, 0, 0] | Failed |
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