FA-10865 / Audio frame buffers / Member archive
Mono to multichannel duplication · case 05
Duplicating the whole waveform produces channel-major storage.
Case contract
Expand each mono sample to a frame of nonnegative channel count; output is frame-major.
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, 2], [1, 2], [1, 2]] | [[1, 1, 1], [2, 2, 2]] | Failed |
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