Modeling the multiscale structure of chord sequences using polytopic graphs

International audienceChord sequences are an essential source of information in a number of MIR tasks. However, beyond the sequential nature of musical content, relations and dependencies within a music segment can be more efficiently modeled as a graph. Polytopic Graphs have been recently introduced to model music structure so as to account for multiscale relationships between events located at metrically homologous instants. In this paper, we focus on the description of chord sequences and we study a specific set of graph configurations , called Primer Preserving Permutations (PPP). For sequences of 16 chords, PPPs account for 6 different latent systems of relations, corresponding to 6 main structural patterns (Prototypical Carrier Sequences or PCS). Observed chord sequences can be viewed as distorted versions of these PCS and the corresponding optimal PPP is estimated by minimizing a description cost over the latent relations. After presenting the main concepts of this approach, the article provides a detailed study of PPPs across a corpus of 727 chord sequences annotated from the RWC POP database (100 pop songs). Our results illustrate both qualitatively and quantitatively the potential of the proposed model for capturing long-term multiscale structure in musical data, which remains a challenge in computational music modeling and in Music Information Retrieval

16th Sound and Music Computing Conference SMC 2019 (28–31 May 2019, Malaga, Spain)

The 16th Sound and Music Computing Conference (SMC 2019) took place in Malaga, Spain, 28-31 May 2019 and it was organized by the Application of Information and Communication Technologies Research group (ATIC) of the University of Malaga (UMA). The SMC 2019 associated Summer School took place 25-28 May 2019. The First International Day of Women in Inclusive Engineering, Sound and Music Computing Research (WiSMC 2019) took place on 28 May 2019. The SMC 2019 TOPICS OF INTEREST included a wide selection of topics related to acoustics, psychoacoustics, music, technology for music, audio analysis, musicology, sonification, music games, machine learning, serious games, immersive audio, sound synthesis, etc

Advances in Robot Kinematics : Proceedings of the 15th international conference on Advances in Robot Kinematics

International audienceThe motion of mechanisms, kinematics, is one of the most fundamental aspect of robot design, analysis and control but is also relevant to other scientific domains such as biome- chanics, molecular biology, . . . . The series of books on Advances in Robot Kinematics (ARK) report the latest achievement in this field. ARK has a long history as the first book was published in 1991 and since then new issues have been published every 2 years. Each book is the follow-up of a single-track symposium in which the participants exchange their results and opinions in a meeting that bring together the best of world’s researchers and scientists together with young students. Since 1992 the ARK symposia have come under the patronage of the International Federation for the Promotion of Machine Science-IFToMM.This book is the 13th in the series and is the result of peer-review process intended to select the newest and most original achievements in this field. For the first time the articles of this symposium will be published in a green open-access archive to favor free dissemination of the results. However the book will also be o↵ered as a on-demand printed book.The papers proposed in this book show that robot kinematics is an exciting domain with an immense number of research challenges that go well beyond the field of robotics.The last symposium related with this book was organized by the French National Re- search Institute in Computer Science and Control Theory (INRIA) in Grasse, France