Python velocity_to_bin Examples

Example #1

  def encode_note_sequence(self, ns):
    """Transform a NoteSequence into a list of melody event indices.

    Args:
      ns: NoteSequence proto containing the melody to encode.

    Returns:
      ids: List of melody event indices.
    """
    qns = self._quantize_note_sequence(ns)

    melody = [magenta.music.MELODY_NO_EVENT] * qns.total_quantized_steps
    for note in sorted(qns.notes, key=lambda note: note.start_time):
      quantized_velocity = performance_lib.velocity_to_bin(
          note.velocity, self._num_velocity_bins)

      melody[note.quantized_start_step] = quantized_velocity

    return self._encode_melody_events(melody)

Example #2

File: music_encoders.py Project: cghawthorne/magenta

  def encode_note_sequence(self, ns):
    """Transform a NoteSequence into a list of melody event indices.

    Args:
      ns: NoteSequence proto containing the melody to encode.

    Returns:
      ids: List of melody event indices.
    """
    qns = self._quantize_note_sequence(ns)

    melody = [magenta.music.MELODY_NO_EVENT] * qns.total_quantized_steps
    for note in sorted(qns.notes, key=lambda note: note.start_time):
      quantized_velocity = performance_lib.velocity_to_bin(
          note.velocity, self._num_velocity_bins)

      melody[note.quantized_start_step] = quantized_velocity

    return self._encode_melody_events(melody)