Polifonia to present novel music segmentation method based on symbolic chord annotations at AIxIA 2022
Polifonia’s team from Bologna is gearing up for 21st International Conference of the Italian Association for Artificial Intelligence (AIxIA 2022), where Nicolas Lazzari, Andrea Poltronieri and Valentina Presutti are presenting a novel music segmentation method called Pitchclass2vec.
Polifonia’s team from Bologna is gearing up for 21st International Conference of the Italian Association for Artificial Intelligence (AIxIA 2022), where Nicolas Lazzari, Andrea Poltronieri and Valentina Presutti are presenting a novel music segmentation method called Pitchclass2vec.
A new research paper Pitchclass2vec: Symbolic Music Structure Segmentation with Chord Embeddings will be presented at the CREAI 2022 First Workshop on Artificial Intelligence and Creativity. The workshop is held in conjunction with AIxIA 2022 organised by the Italian Association for Artificial Intelligence. This paper presents a new approach to automatic music segmentation based on musical chords. Traditionally, music segmentation involves the identification of the musical structures that make up a piece of music – such as Introduction, Verse, Chorus or Bridge – and is obtained from the audio signal. However, the purpose of this study was to obtain this information only from musical chord data.
The researchers trained a Deep Learning algorithm on a large dataset of songs annotated with musical chords and their musical structures. The chords were converted into a reduced dimensional space using a novel embedding method called Pitchclass2vec, which decomposes the chord into its components and reduces the whole to a numeric vector. The trained algorithm was then run on previously unseen chord sequences in order to segment them. The results of this method outperformed the state of the art for this task.
AIxIA 2022 will take place in Udine (IT) between Monday 28th November and Friday 2nd December 2022. The complete conference program is available here. Andrea Poltronieri, Valentina Presutti and masterstudent Nicolas Lazzari will present their paper on the 29th of November, at 11.15 – 12.10 during CREAI 2022’s first session called Musical perspective. The CREAI 2022 program can be found here.
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This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement N. 101004746