The Auditory Modeling Toolbox
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WEIGHTEDAVERAGEFILTER - Compute the weighted or self-weighted average
Usage
outsig = weightedaveragefilter(insig,weight,fs,timeconst)
Input parameters
| insig | signal from which the average is computed. Optionally, can be the same as the weight resulting in self-weighted average |
| weight | signal to be used as weight in the computation |
| fs | sampling rate |
| timeconst | time constant specifying the first-order IIR filter |
Output parameters
| outsig | output signal |
Description
This function computes the either the weighted or the self-weighted average of the input signal using a first-order IIR filter whose time constant is specified by the timeconst argument. More details about the conputation can be found in Pulkki, Hirvonen 2009 (Sec. 3.2.3)
References:
V. Pulkki and T. Hirvonen. Functional count-comparison model for binaural decoding. Acta Acustica united with Acustica, 95(5):883 - 900, Sept./Oct. 2009.
M. Takanen, O. Santala, and V. Pulkki. Perceptually encoded signals and their assessment. In J. Blauert, editor, The technology of binaural listening. Springer, 2013.
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