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  • License: Freeware
  • Last update: 6 years ago
  • Total downloads: 280
  • Price: Free |
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: Hoang Do
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scripts default iconAcoustic source localization using SRP-PHAT (Scripts) Publisher's description

This function localizes a single source from a frame of data received at the microphones

This function localizes a single source from a frame of data received at the microphones. It uses the Steered Response Power with the PHAse Transform (SRP-PHAT) as the functional. The true source location will have the maximum SRP-PHAT value. Stochastic Region Contraction (SRC) is used as the global maximum search algorithm in the function. Using SRC cuts down the computational cost of SRP-PHAT based algorithm by more than 3 orders of magnitude compared to that of a full grid-search.
This work is based on the algorithm presented in:
H. Do, H. F. Silverman, and Y. Yu, “A real-time srp-phat source location implementation using stochastic region contraction(src) on a large-aperture microphone array,” in Proc. IEEE Int. Conf. Acoust. Speech, Signal Process., Honolulu, HI, April 2007, vol. 1, pp. 121–124.

System Requirements:

MATLAB 7.5 (R2007b)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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