FA-49295 / PCM sample encoding / Member archive
Pcm mid side unlifting: parity validation · case 05
PCM side parity is checked against midpoint bits.
Case contract
Invert the stipulated reversible PCM midpoint/side code, rejecting parity-mismatched triples and preserving L,R destination order.
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 2 | [[0, 0], null] | [[0, 0], [1, 1]] | Failed |
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