Download Database of Piano Chords: An Engineering View of Harmony by Ana M. Barbancho, Isabel Barbancho, Lorenzo J. Tardón, PDF

By Ana M. Barbancho, Isabel Barbancho, Lorenzo J. Tardón, Emilio Molina

Database of Piano Chords: An Engineering View of Harmony encompasses a designated database of piano chords constructed solely for tune examine reasons, and descriptions the major benefits to utilizing this dataset to additional one’s study. The ebook additionally describes the actual bases of the occidental tune chords and the effect utilized in the detection and transcription of the song, permitting researchers to in detail comprehend the development of every occidental chord. the net database includes greater than 275,000 chords with varied levels of polyphony and with varied taking part in kinds. jointly, the database and the publication are a useful device for researchers during this field.

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Extra info for Database of Piano Chords: An Engineering View of Harmony

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For polyphony number 4, we can double the root note, the third degree note and the fifth degree note) is considered difficult to detect. Note that the relative position of the notes or frequency separation between the notes, is also important. For example, consider a perfect major chord like C1E4G7, this chord is easier to detect than C4E4G4, because in the first chord the notes are more separated in frequency, than in the second chord. Another important aspect is the octave in which the chord is recorded.

All the chords are recorded in C Major, C minor, A Major, A minor, Eb Major and Eb minor keys as well as in all the possible octaves of the piano keyboard and in the three dynamics and playing styles. The chords in the first group of chords (Fig. 6a) are composed by the fundamental tone (C, A, Eb) doubled, its Major or Minor third doubled and its Diminished, Perfect or Augmented fifth doubled. These chords correspond to the perfect Major, perfect Minor, augmented fifth and diminished fifth chords.

The recorded polyphony 3 chords can be divided into six groups. An example of chords of each group is shown in Fig. 3. The chords presented in this figure are in C Major key. For Groups 1–3, Fig. ). For Group 4, Fig. 3d represents the suspended four chord without fifth degree, as example of the chords in these groups For Groups 5 and 6, Fig. 3e, f represent the perfect major chord. 3 Content of the UMA-Piano Chord Database Fig. 3 Basic chords with polyphony 3. (a) Group 1. (b) Group 2. (c) Group 3.

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