denote.backends.librosa_pyin.adapter

Adapter for librosa pYIN — probabilistic pitch estimation.

Classes

Adapter(config)

librosa pYIN adapter for monophonic pitch estimation.
class denote.backends.librosa_pyin.adapter.Adapter(config)[source]

Bases: object

librosa pYIN adapter for monophonic pitch estimation.

get_pitch(audio, *, sr=None, **kwargs)[source]

Estimate pitch from audio using pYIN.

Parameters:

  • audio – File path or numpy array.

  • sr – Sample rate (required if audio is an array).

  • **kwargs – Normalized parameters (min_frequency, max_frequency, hop_length, frame_length).

Returns:

PitchResult with .times, .frequencies, .confidence fields.