THE AUDITORY MODELING TOOLBOX
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AMT - Common functions
Signal levels and thresholds
- dbspl - Calculate the SPL (in dB) of a signal
- scaletodbspl - Scale a signal to have a specific SPL
- absolutethreshold - Absolute threshold of hearing
Converter
- erb2fc - calculates center frequency from a given erb index
- erbrate2f - calculates the erb rate from a given frequency
- f2erbrate - calculates the frequency from the erbrate
- f2bmdistance - Greenwoods function
- f2erb - calculates the widt of 1 Cam in Hz at frequency f in Hz
- f2siiweightings - Speech intelligibility weighted by frequency
- fc2erb - calculates the ERB index from a given frequency
- hrtf2dtf - extracts dtf out of hrtf data
- itd2angle_lookuptable - Create the lookup table
- itd2angle - Convert ITD to an angle using a lookup table
- phon2sone - Convert phon to sone
- sone2phon - Convert sone to phon
- sph2horpolar - Convert spherical to polar coordinates
Filters
- gammatone - Calculate Gammatone filter coefficients
- gammachirp - Calculate Gammatchirp filter coefficients
- auditoryfilterbank - Linear auditory filterbank.
- ihcenvelope - Inner hair cell envelope extration.
- adaptloop - Adaptation loops.
- modfilterbank - Modulation filter bank.
- headphonefilter - FIR filter to model headphones
- middleearfilter - FIR filter to model the middle ear
- ufilterbankz - Apply multiple filters
- filterbankz - Apply multiple filters with non-equidistant downsampling
Feature extractor
- localizationerror - Calculates various localization errors from localization responses
- itdestimator - Calculates ITD from a binaural pair of signals
- erbest - Estimate the equivalent rectangular bandwidth from an impulse response
- extractsp - Extract sagittal plane (SP) HRTFs from measurement data
- ihcenvelope - Inner hair cell envelope extration
General
- adaptloop - Applies non-linear adaptation to an input signal
- fade - Add a rise and fall to the end and beginning of a sequence
- hannfl - Plots a hann window
- infamplitudeclip - Perform infinite amplitude clipping on singnal
- interpolation - Interpolate data
- optimaldetector - Generic optimal detector for the CASP and Breebaart models
- bmld - Calculates the binaural masking level difference
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