FA-10938 / Audio channel mixing / Member archive
Mix bus clear each block · case 03
An uncleared mix bus accumulates audio from the prior callback.
Case contract
Mix one new block from equal-length input sources, discarding the previous bus contents. Previous length defines silence when no inputs exist.
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 | [9, 11] | [4, 6] | Failed |
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