Reference
data class ReferenceExtractorConfig(val sampleRate: Int = 16000, val frameSize: Int = 1024, val hopSize: Int = 320, val hpcpSize: Int = 12)
Configuration for com.musicmuni.voxatrace.calibra.ReferenceExtractor (ADR-001: companion presets + Builder + .copy()).
Geometry must match the consuming live session
Live evaluation indexes pre-computed HPCP frames by absolute frame number at hopSize / sampleRate. For the pre-computed HPCP to line up, hopSize, frameSize, and sampleRate must match the SessionConfig the bundle is played back with. The defaults match the SDK's live defaults (16 kHz, 1024-sample frames, 320-sample hop).
The pre-computed pitch contour is produced by the injected contour extractor and is looked up by time (not frame index), so its own hop does not need to match — only the HPCP geometry does.