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Synthesizing the acoustic Doppler effect in software

Published: 15 April 2010 Publication History

Abstract

We present the theory and implementation of the acoustic Doppler effect in which a sequence of digital audio samples recorded at a sound source is transformed into a sequence of samples to represent the sounds perceived by an observer. The computational model alters the frequencies and amplitude of the original sequence, taking into account the simultaneous effects of a moving source, a moving observer, and a moving medium of propagation. One application is the real-time generation of the sounds of moving objects in a computer game as perceived by players of the game.

References

[1]
R. Banerjea. System and method for creating a doppler effect. U.S. Patent no. 5,719,944, Patent and Trademark Office, Washington, DC, 1998.
[2]
Creative Labs. OpenAL 1.1 Specification and Reference. http://connect.creativelabs.com/openal/Documentation/OpenAL 1.1Specification.pdf, 2005.
[3]
D. C. Giancoli. Physics, Sixth Edition. Pearson Prentice Hall., Upper Saddle River, New Jersey, 2005.
[4]
J. D. Jackson. Classical Electrodynamics, Third Edition. John Wiley and Sons, Inc., New York, 1999.
[5]
H. J. Pain. The Physics of Vibrations and Waves. John Wiley and Sons, Ltd., West Sussex, England, 2005.
[6]
R. Resnick, D. Halliday, and K. S. Krane. Physics, Fourth Edition, Volume 1. John Wiley and Sons, Inc., New York, 1992.

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cover image ACM Conferences
ACMSE '10: Proceedings of the 48th annual ACM Southeast Conference
April 2010
488 pages
ISBN:9781450300643
DOI:10.1145/1900008
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 15 April 2010

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Author Tags

  1. computer games
  2. digital audio
  3. doppler effect

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  • Research-article

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ACM SE '10
Sponsor:
ACM SE '10: ACM Southeast Regional Conference
April 15 - 17, 2010
Mississippi, Oxford

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ACMSE '10 Paper Acceptance Rate 48 of 94 submissions, 51%;
Overall Acceptance Rate 502 of 1,023 submissions, 49%

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