Applies to version: 1.3.0

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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