Vincent Lesbros
ABSTRACT
Historically, sonographic representations of sounds are based on two types of scales: linear or logarithmic (Xenakis, 1971; Roads, 1995; Lesbros, 1995, 1996; Xiaoying, 2008). These two kinds of scales introduce beats between sounds produced by adjacent lines of the image. In a linear scale, for example, of 1 Hz by pixel, a beat of 1 Hz will appear if any horizontal line has a thickness of more than 1 pixel. In a logarithmic scale, for example, of 192 ppo (pixel per octave), a beat of one 16th of semitone will spread. Here, we introduce a new kind of scale in order to use hand drawn sonographs, avoiding this particular beat effect. We extend the usual additive method to frequency modulation and add a way to spacialize sonographs in stereo channels. We propose different kinds of filters to control rhythm and harmony, and finally, we expose a way to compose music tightly linked with a video by creating sonographs directly from video frames.
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- Lesbros, Vincent, 1995, ≪ Atelier Incrémentiel pour la musique expérimentale ≫, Thèse de Doctorat en Intelligence artificielle, Paris, Université de Paris 8.Google Scholar
- Lesbros, Vincent, 1996, ≪ From images to sounds: a dual representation ≫, Computer Music Journal, 20(3):59--69.Google ScholarCross Ref
- Lesbros, Vincent, 1999, ≪ Phonograms, Elastic Couplings, and Trajectories ≫, Computer Music Journal, 23(2):70--79. Google ScholarDigital Library
- Mao, Xia; Chen, Bin; Zhu, Gang; Hoshino, Tsutomu, 2002, ≪ Study on transforming from painting to music ≫, VIPromCom-2002. 4th EURASIP - IEEE Region 8 International Symposium on Video Image Processing and Multimedia Communications, 16-19 June 2002, Zadar, Croatia.Google Scholar
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- Xiaoying, Wu, and Ze-Nian, Li, 2008, ≪ A study of image-based music composition ≫, School of Computing Science, Simon Fraser University.Google Scholar
- Chromatic and Harmonic Scales for Intuitive Sonographic Compositions
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