Towards a Virtual-Acoustic String Instrument

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In acoustic instruments, the controller and the sound producing system often are one and the same object. If virtualacoustic instruments are to be designed to not only simulate the vibrational behaviour of a real-world counterpart but also to inherit much of its interface dynamics, it would make sense that the physical form of the controller is similar to that of the emulated instrument. The specific physical model configuration discussed here reconnects a (silent) string controller with a modal synthesis string resonator across the real and virtual domains by direct routing of excitation signals and model parameters. The excitation signals are estimated in their original force-like form via careful calibration of the sensor, making use of adaptive filtering techniques to design an appropriate inverse filter. In addition, the excitation position is estimated from sensors mounted under the legs of the bridges on either end of the prototype string controller. The proposed methodology is explained and exemplified with preliminary results obtained with a number of off-line experiments.
Original languageEnglish
Title of host publication13th Sound and Music Computing Conference (SMC)
Place of PublicationHamburg
PublisherZentrum für Mikrotonale Musik und Multimediale Komposition (ZM4)
Number of pages7
ISBN (Electronic)978-3-00-053700-4
Publication statusPublished - 31 Aug 2016
Event13th Sound and Music Computing Conference - Hamburg, Germany
Duration: 31 Aug 201603 Sep 2016


Conference13th Sound and Music Computing Conference
Internet address


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