TonalExtractor¶

Inputs¶

• signal (vector_real) - the audio input signal

Outputs¶

• chords_changes_rate (real) - See ChordsDescriptors algorithm documentation

• chords_histogram (vector_real) - See ChordsDescriptors algorithm documentation

• chords_key (string) - See ChordsDescriptors algorithm documentation

• chords_number_rate (real) - See ChordsDescriptors algorithm documentation

• chords_progression (vector_string) - See ChordsDetection algorithm documentation

• chords_scale (string) - See ChordsDetection algorithm documentation

• chords_strength (vector_real) - See ChordsDetection algorithm documentation

• hpcp (vector_vector_real) - See HPCP algorithm documentation

• hpcp_highres (vector_vector_real) - See HPCP algorithm documentation

• key_key (string) - See Key algorithm documentation

• key_scale (string) - See Key algorithm documentation

• key_strength (real) - See Key algorithm documentation

Parameters¶

• frameSize (integer ∈ (0, ∞), default = 4096) :

  the framesize for computing tonal features

• hopSize (integer ∈ (0, ∞), default = 2048) :

  the hopsize for computing tonal features

• tuningFrequency (real ∈ (0, ∞), default = 440) :

  the tuning frequency of the input signal

Description¶

This algorithm computes tonal features for an audio signal

Source code¶

• C++ source code

• C++ header file

See also¶

TonalExtractor (streaming)