FA-49253 / PCM sample encoding / Member archive

Pcm delta generation: residual order · case 03

Residual polarity is reversed.

Member previewVariant 3 · 3 implementations · 8 checks per implementation

Case contract

Generate signed PCM residuals relative to the previous amplitude; reset at explicit sample positions and return the final amplitude continuation seed.

Why this case matters

Offline PCM interchange uses these exact bounded packet and sample representation decisions.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
oracle 1	`[[-2, 1, -3], 14]`	`[[2, -1, 3], 14]`	Failed

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