FA-49313 / PCM sample encoding / Member archive
Pcm mid side unlifting: channel order · case 03
Recovered channel labels are swapped after lossless unlifting.
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 1 | [[2, 5], [5, 2]] | [[5, 2], [2, 5]] | Failed |
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