Efficient modal sound synthesis on GPUs

Modal sound synthesis is a useful method to interactively generate sounds for Virtual Environments. Forces acting on objects excite modes, which then have to be accumulated to generate the output sound. Due to the high audio sampling rate, algorithms using the CPU typically can handle only a few act...

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Veröffentlicht in:2014 IEEE VR Workshop: Sonic Interaction in Virtual Environments (SIVE) S. 13 - 18
Hauptverfasser: Rausch, Dominik, Hentschel, Bernd, Kuhlen, Torsten
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 01.03.2014
Schlagworte:
Equations
Force
Graphics processing units
Instruction sets
Kernel
Mathematical model
Vectors
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Abstract Modal sound synthesis is a useful method to interactively generate sounds for Virtual Environments. Forces acting on objects excite modes, which then have to be accumulated to generate the output sound. Due to the high audio sampling rate, algorithms using the CPU typically can handle only a few actively sounding objects. Additionally, force excitation should be applied at a high sampling rate. We present different algorithms to compute the synthesized sound using a GPU, and compare them to CPU implementations. The GPU algorithms shows a significantly higher performance, and allows many sounding objects simultaneously.
AbstractList Modal sound synthesis is a useful method to interactively generate sounds for Virtual Environments. Forces acting on objects excite modes, which then have to be accumulated to generate the output sound. Due to the high audio sampling rate, algorithms using the CPU typically can handle only a few actively sounding objects. Additionally, force excitation should be applied at a high sampling rate. We present different algorithms to compute the synthesized sound using a GPU, and compare them to CPU implementations. The GPU algorithms shows a significantly higher performance, and allows many sounding objects simultaneously.
Author Rausch, Dominik
Hentschel, Bernd
Kuhlen, Torsten
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  givenname: Dominik
  surname: Rausch
  fullname: Rausch, Dominik
  email: rausch@vr.rwth-aachen.de
  organization: Virtual Reality Group, RWTH Aachen Univ., Aachen, Germany
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  givenname: Bernd
  surname: Hentschel
  fullname: Hentschel, Bernd
  email: hentschel@vr.rwth-aachen.de
  organization: Virtual Reality Group, RWTH Aachen Univ., Aachen, Germany
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  givenname: Torsten
  surname: Kuhlen
  fullname: Kuhlen, Torsten
  email: kuhlen@vr.rwth-aachen.de
  organization: Virtual Reality Group, RWTH Aachen Univ., Aachen, Germany
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Snippet Modal sound synthesis is a useful method to interactively generate sounds for Virtual Environments. Forces acting on objects excite modes, which then have to...
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StartPage 13
SubjectTerms Equations
Force
Graphics processing units
Instruction sets
Kernel
Mathematical model
Vectors
Title Efficient modal sound synthesis on GPUs
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