VoxaTrace/com.musicmuni.voxatrace.calibra.model/LessonMaterial

LessonMaterial

data class LessonMaterial(val audioSource: AudioSource, val segments: List<Segment>, val keyHz: Float, val pitchContour: PitchContour? = null, val hpcpFrames: List<FloatArray>? = null, val lessonType: LessonType = LessonType.SINGALONG)

Reference material for singing evaluation.

Contains the reference audio, segment boundaries, and musical key. Optionally includes pre-computed pitch contour and HPCP frames for fast initialization.

Constructors

LessonMaterial

constructor(audioSource: AudioSource, segments: List<Segment>, keyHz: Float, pitchContour: PitchContour? = null, hpcpFrames: List<FloatArray>? = null, lessonType: LessonType = LessonType.SINGALONG)

Types

Companion

object Companion

Properties

audioSource

val audioSource: AudioSource

duration

val duration: Float

Total duration based on the last segment's end time

hpcpFrames

val hpcpFrames: List<FloatArray>?

keyHz

val keyHz: Float

lessonType

val lessonType: LessonType

How the student performs relative to the reference. The session's phase machine and reference-time mapping key on this — the lesson-level authority — never on per-segment field presence. Segments carry the student-window timing; this says what that timing means.

pitchContour

val pitchContour: PitchContour?

segmentCount

val segmentCount: Int

Number of segments

segments

val segments: List<Segment>