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- Harmonic_pitch_class_profiles abstract "Harmonic pitch class profiles (HPCP) is a group of features that a computer program extracts from an audio signal, based on a pitch class profile—a descriptor proposed in the context of a chord recognition system. HPCP are an enhanced pitch distribution feature that are sequences of feature vectors that describe tonality, measuring the relative intensity of each of the 12 pitch classes of the equal-tempered scale within an analysis frame. It is also called Chroma.By processing musical signals, software can identify HPCP features and use them to estimate the key of a piece, to measure similarity between two musical pieces (cover version identification) and to classify music in terms of composer, genre or mood. The process is related to time-frequency analysis. In general, chroma features are robust to noise (e.g., ambient noise or percussive sounds), independent of timbre and instrumentation and independent of loudness and dynamics.HPCPs are tuning independent and consider the presence of harmonic frequencies, so that the reference frequency can be different from the standard A 440 Hz. The result of HPCP computation is a 12, 24, or 36-bin octave-independent histogram depending on the desired resolution, representing the relative intensity of each 1, 1/2, or 1/3 of the 12 semitones of the equal tempered scale.".
- Harmonic_pitch_class_profiles thumbnail HPCP_block_diagram.jpg?width=300.
- Harmonic_pitch_class_profiles wikiPageExternalLink hpcp.
- Harmonic_pitch_class_profiles wikiPageID "30337848".
- Harmonic_pitch_class_profiles wikiPageLength "5101".
- Harmonic_pitch_class_profiles wikiPageOutDegree "18".
- Harmonic_pitch_class_profiles wikiPageRevisionID "687838599".
- Harmonic_pitch_class_profiles wikiPageWikiLink Audio_signal.
- Harmonic_pitch_class_profiles wikiPageWikiLink Category:Time–frequency_analysis.
- Harmonic_pitch_class_profiles wikiPageWikiLink Filter_(signal_processing).
- Harmonic_pitch_class_profiles wikiPageWikiLink Fourier_transform.
- Harmonic_pitch_class_profiles wikiPageWikiLink Histogram.
- Harmonic_pitch_class_profiles wikiPageWikiLink Music_theory.
- Harmonic_pitch_class_profiles wikiPageWikiLink Pitch_(music).
- Harmonic_pitch_class_profiles wikiPageWikiLink Semitone.
- Harmonic_pitch_class_profiles wikiPageWikiLink Smith–Waterman_algorithm.
- Harmonic_pitch_class_profiles wikiPageWikiLink Time–frequency_analysis.
- Harmonic_pitch_class_profiles wikiPageWikiLink Time–frequency_analysis_for_music_signals.
- Harmonic_pitch_class_profiles wikiPageWikiLink Tonality.
- Harmonic_pitch_class_profiles wikiPageWikiLink File:Compare_songs.jpg.
- Harmonic_pitch_class_profiles wikiPageWikiLink File:HPCP_block_diagram.jpg.
- Harmonic_pitch_class_profiles wikiPageWikiLink File:HPCP_output.jpg.
- Harmonic_pitch_class_profiles wikiPageWikiLinkText "Harmonic pitch class profiles".
- Harmonic_pitch_class_profiles wikiPageUsesTemplate Template:Reflist.
- Harmonic_pitch_class_profiles subject Category:Time–frequency_analysis.
- Harmonic_pitch_class_profiles hypernym Group.
- Harmonic_pitch_class_profiles type Band.
- Harmonic_pitch_class_profiles comment "Harmonic pitch class profiles (HPCP) is a group of features that a computer program extracts from an audio signal, based on a pitch class profile—a descriptor proposed in the context of a chord recognition system. HPCP are an enhanced pitch distribution feature that are sequences of feature vectors that describe tonality, measuring the relative intensity of each of the 12 pitch classes of the equal-tempered scale within an analysis frame.".
- Harmonic_pitch_class_profiles label "Harmonic pitch class profiles".
- Harmonic_pitch_class_profiles sameAs Q5659274.
- Harmonic_pitch_class_profiles sameAs m.0g5ptkq.
- Harmonic_pitch_class_profiles sameAs Q5659274.
- Harmonic_pitch_class_profiles wasDerivedFrom Harmonic_pitch_class_profiles?oldid=687838599.
- Harmonic_pitch_class_profiles depiction HPCP_block_diagram.jpg.
- Harmonic_pitch_class_profiles isPrimaryTopicOf Harmonic_pitch_class_profiles.
