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    %0 Conference Proceedings
    %A Caussé, René
    %T Story of the patent intitulated (in translation from the French), ``Feature of wind instrument permitting the generation of special effects in real time.''
    %D 2005
    %B 150th Metting Acoustical Society of America
    %C Minneapolis
    %V 118(3)
    %P 1913-1913
    %F Causse05a
    %K Brevet
    %K clarinette
    %K bec à volume variable.
    %X This presentation will focus on the history of a patent taken out in 1996 by my colleagues F. Laloe, A. Ducoureau, F. Terrier, and myself (France Telecom patent). This patent is related to a system that allows the wind instrument's pitch to be controlled by means of a mechanical device comprising a foot pedal for the musician and a cable connected to the embouchure of the instrument. There is no predefined semitone or quarter-tone position. The system extends the current musical range and performance capabilities of the instrument chosen for a realization, a clarinet, by inserting in the instrument an additional length. It is possible to change not only the pitch of tones but also to soften their timbre, producing a tone similar to that of early instruments. This type of special effect is well suited to contemporary, jazz, and popular music. The device is adapted to any type of clarinet and the principle can conceivably be extended to other wind instruments. In this presentation, the device and its derivatives shall be described, and its musical applications illustrated by sound examples. A critical approach to the different levels of reading of the patent will be presented.
    %1 7
    %2 3
    © Ircam - Centre Pompidou 2005.