FA-50035 / PCM sample encoding / Member archive
Pcm pdm box decimation: trailing bits · case 05
Carry starts at output-count rather than consumed bit count.
Case contract
Bounded one-bit-density to PCM adapter using nonoverlapping box windows; zero/one map to -1/+1 and incomplete input bits carry across packets.
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 | [[1, -1], [1, 1, 0, 0]] | [[1, -1], []] | Failed |
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