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Communication Dans Un Congrès Année : 2014

Rich Contacts: Corpus-Based Convolution of Audio Contact Gestures for Enhanced Musical Expression

Résumé

We propose ways of enriching the timbral potential of gestural sonic material captured via piezo or contact microphones, through latency-free convolution of the microphone signal with grains from a sound corpus. This creates a new way to combine the sonic richness of large sound corpora, easily accessible via navigation through a timbral descriptor space, with the intuitive gestural interaction with a surface, captured by any contact microphone. We use convolution to excite the grains from the corpus via the microphone input, capturing the contact interaction sounds, which allows articulation of the corpus by hitting, scratching, or strumming a surface with various parts of the hands or objects. We also show how changes of grains have to be carefully handled, how one can smoothly interpolate between neighbouring grains, and finally evaluate the system against previous attempts.
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Dates et versions

hal-01161077 , version 1 (08-06-2015)

Identifiants

  • HAL Id : hal-01161077 , version 1

Citer

Diemo Schwarz, Pierre Alexandre Tremblay, Alexander Harker. Rich Contacts: Corpus-Based Convolution of Audio Contact Gestures for Enhanced Musical Expression. New Interfaces for Musical Expression (NIME), Jun 2014, London, United Kingdom. pp.1-1. ⟨hal-01161077⟩
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