FA-10913 / Audio channel mixing / Member archive
Crossfade complementary gains · case 03
Applying the same fade gain to both sources changes total gain and source weighting.
Case contract
Crossfade equal-length sources at fixed normalized amount with complementary linear gains, without saturation.
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 | [0.25, 0.25] | [0.75, 0.25] | Failed |
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