Module utils 

Утилиты и вспомогательные функции Utility functions and helpers for the patchbay.

Provides value converters, metronome timing, note-type conversion, test helpers, and test-signal generation.

Structs

EventRecorder

Records events for testing purposes.

Metronome

A metronome for synchronisation with BPM.

RecordedEvent

A single recorded event.

TestSignalGenerator

Generates test signals for verification and debugging.

TestSignalParams

Parameters for a test signal.

ValueConverter

Converts values between different scales using a specified transform.

Enums

NoteType

A musical note type for duration calculations.

TestSignalType

Type of test signal.

Functions

freq_to_midi_note

Convert a frequency in Hz to the nearest MIDI note number.

midi_note_to_freq

Convert a MIDI note number to frequency in Hz.

midi_to_normalized

Convert a MIDI value (0–127) to a normalised float (0.0–1.0).

normalized_to_midi

Convert a normalised float (0.0–1.0) to a MIDI value (0–127).

note_duration_to_seconds

Convert a note type to duration in seconds at the given BPM.