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Satoshi Tojo

Biographic Data

ID2788296
NAMESatoshi Tojo
GIVEN NAMESSatoshi
FAMILY NAMETojo
SIGNATURETOJO S
AFFILIATIONSAsia University
VERIFIEDNo
TOTAL WORKS3
TOTAL CITATIONS4
WORKS AS AUTHOR3
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2006
LATEST PUBLICATION YEAR2025
H-INDEX1
  • Effective features to define harmonic distance models

    Open Access•Hiroyuki Yamamoto, Satoshi Tojo•ARTICLE•Journal of New Music Research•2025

    Tonal Pitch Space (TPS) has been proposed as a harmonic distance model, which provides a way to compute numerical distances between two chords with keys. Although the theory itself seems sound, it still contains arbitrary presuppositions in its definition, and its adequacy has not well been investigated. In this study, we propose a framework in which we construct, train, and evaluate a variety of distance functions that share the same domain and …

  • Implementation of melodic morphing based on generative theory of tonal music

    Open Access•Masatoshi Hamanaka, Keiji Hirata et al.•ARTICLE•Journal of New Music Research•2022

    This paper proposes a new morphing method to generate a melody, given two melodies represented by time-span trees obtained from the generative theory of tonal music (GTTM). In this paper, we define a feature structure based on a time-span tree and the distance between two structures. Next, we construct a lattice of subsumption relations among these structures and define three algebraic operations: reduction, meet, and join. First, we conduct thes…

  • "Implementing "A Generative Theory of Tonal Music

    Masatoshi Hamanaka, Keiji Hirata et al.•ARTICLE•Journal of New Music Research•2006•Cited by: 4•References: 6

    This paper proposes a music analysing system called the automatic time-span tree analyser (ATTA). ATTA derives a time-span tree that assigns a hierarchy of “structural importance” to the notes of a piece of music based on the generative theory of tonal music (GTTM). Although the time-span tree has been applied in music summarization and collaborative music creation systems, these systems use time-span trees manually analysed by experts in musicol…

  • "Implementing "A Generative Theory of Tonal Music

    Masatoshi Hamanaka, Keiji Hirata et al.•ARTICLE•Journal of New Music Research•2006•Cited by: 4•References: 6

    This paper proposes a music analysing system called the automatic time-span tree analyser (ATTA). ATTA derives a time-span tree that assigns a hierarchy of “structural importance” to the notes of a piece of music based on the generative theory of tonal music (GTTM). Although the time-span tree has been applied in music summarization and collaborative music creation systems, these systems use time-span trees manually analysed by experts in musicol…

  • "Implementing "A Generative Theory of Tonal Music

    Masatoshi Hamanaka, Keiji Hirata et al.•ARTICLE•Journal of New Music Research•2006•Cited by: 4•References: 6

    This paper proposes a music analysing system called the automatic time-span tree analyser (ATTA). ATTA derives a time-span tree that assigns a hierarchy of “structural importance” to the notes of a piece of music based on the generative theory of tonal music (GTTM). Although the time-span tree has been applied in music summarization and collaborative music creation systems, these systems use time-span trees manually analysed by experts in musicol…

  • Implementation of melodic morphing based on generative theory of tonal music

    Open Access•Masatoshi Hamanaka, Keiji Hirata et al.•ARTICLE•Journal of New Music Research•2022

    This paper proposes a new morphing method to generate a melody, given two melodies represented by time-span trees obtained from the generative theory of tonal music (GTTM). In this paper, we define a feature structure based on a time-span tree and the distance between two structures. Next, we construct a lattice of subsumption relations among these structures and define three algebraic operations: reduction, meet, and join. First, we conduct thes…

  • Effective features to define harmonic distance models

    Open Access•Hiroyuki Yamamoto, Satoshi Tojo•ARTICLE•Journal of New Music Research•2025

    Tonal Pitch Space (TPS) has been proposed as a harmonic distance model, which provides a way to compute numerical distances between two chords with keys. Although the theory itself seems sound, it still contains arbitrary presuppositions in its definition, and its adequacy has not well been investigated. In this study, we propose a framework in which we construct, train, and evaluate a variety of distance functions that share the same domain and …

Artificial Intelligence (3 works) · Computer Science (3 works) · Music and Audio Processing (3 works) · Generative grammar (2 works) · Music Technology and Sound Studies (2 works) · Musical (2 works) · Neuroscience and Music Perception (2 works) · Acoustic Wave Phenomena Research (1 work) · Acoustics (1 work) · Algorithm (1 work)

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