FA-10904 / Audio channel mixing / Member archive
Mix gains per source · case 04
The sum of source gains is applied to the sum of signals, introducing cross terms.
Case contract
Mix equal-length source arrays with one corresponding scalar gain per source; output is unsaturated.
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 | [1.0, 1.0] | [0.25, 0.75] | Failed |
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