THE AUDITORY MODELING TOOLBOX

Applies to version: 1.1.0

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MAY2011 - Azimuthal localization of concurrent talkers

Usage

out = may2011(input,fs);

Input parameters

input binaural input signal [nSamples x 2 channels]
fs sampling frequency in Hertz

Output parameters

out localization structure

Description

'out' containing the following fields:

'.param processing parameters'

'.azFrames frame-based azimuth estimate [Frames x 1]'

'.azimuth time-frequency azimuth estimate [nFilter x nFrames]'

'.rangeAZ azimuth grid [nAzDir x 1]'

'.prob 3D probability map [nFilter x nFrames x nAzDir]'

'.loglik 3D log-likelihood map [nFilter x nFrames x nAzDir]'

'.itd interaural time difference [nFilter x nFrames]'

'.ild interaural level difference [nFilter x nFrames]'

'.ic interaural coherence [nFilter x nFrames]'

References:

T. May, S. van de Par, and A. Kohlrausch. A probabilistic model for robust localization based on a binaural auditory front-end. IEEE Trans Audio Speech Lang Proc, 19:1--13, 2011.