The Auditory Modeling Toolbox
sig_breebaart2001 - computes the signals for the breebaart2001 experiment
Usage
signalout = sig_breebaart2001(inttype,fc,sl,sdur,sphase,nbw,nl,ndur,nphase,hannramp,fs)
signalout = sig_breebaart2001(inttype,fc,sl,sdur,sphase,nbw,nl,ndur,nphase,hannramp,fs) generates the signals for the breebaart2001 experiment where sinusoidal signals are masked by noise. 'inttyp' determines if it is a target interval (signal + noise) or just a reference interval (noise only). The sinusoidal has a center frequency of 'fc' (in Hz), an overall level of 'sl' (in dB SPL), a duration of 'sdur' (in seconds) and an interaural phase difference of 'sphase' (in rad). The masker is generated at a center frequency 'fc' in Hz, with a bandwidth of nbw (in Hz), duration ndur (in sec), overall level nl (in dB SPL) and an interaural phase difference of 'nphase'. Both signal and masker are gated with hanning ramps with a duration of 'hannramp' (in s). The sampling rate is defined with fs (in Hz).
Input parameters
| '',inttyp | 'target' or 'reference' defines the interval type |
| '',fc | center frequency |
| '',sl | overall signal level |
| '',sl | duration of the signal |
| '',sphase | interaural phase difference of signal |
| '',nbw | bandwidth of the noise |
| '',nl | overall noise level |
| '',ndur | duration of the noise |
| '',nphase | interaural phase difference of noise |
| '',hannramp | duration of the hanning ramps |
| '',fs | sampling frequency |
- The following parameters for 'nphase' are possible:
- 'nphase' = 0 no phase difference, correlation = 1; 'nphase' = pi masker interaurally phase reversed, correlation = -1; 0 < 'nphase' < 1 defines interaural correlation
Output parameters
| '',signalout | the generated experimental signal which can be feeded directly into the model |
References:
J. Breebaart, S. van de Par, and A. Kohlrausch. Binaural processing model based on contralateral inhibition. II. Dependence on spectral parameters. J. Acoust. Soc. Am., 110:1089--1104, August 2001.
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