FA-49368 / PCM sample encoding / Member archive
Pcm channel reconstruction: channel state update · case 03
Residual updates only the first PCM channel accumulator.
Case contract
Decode channel-banked residual PCM, resetting predictors only at specified frame boundaries and exporting final per-channel amplitudes.
Why this case matters
Offline PCM interchange uses these exact bounded packet and sample representation decisions.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| oracle 1 | [[[5, 8], [9, 8]], [8, 8]] | [[[5, 10], [7, 9]], [7, 9]] | Failed |
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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
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