CASP Toolbox - Small auditory toolbox to build the CASP models

Plots

• audspecgram - Auditory spectrogram.
• semiaudplot - 2D plot on auditory scale.

Filters

• gammatone - Gammatone filter
• filterbank - Apply filterbank to multisignal

Auditory scales

• audtofreq - Auditory unit to frequency conversion.
• freqtoaud - Frequency to auditory unit conversion.
• audspace - Auditory unit spaced vector
• audspacebw - Auditory unit spaced vector by equal bandwidth.
• erbtofreq - Erb scale to frequency conversion.
• freqtoerb - Frequency to erb scale conversion.
• erbspace - Equidistant points on the erb scale.
• erbspacebw - Equidistant points by equal bandwidth.

Properties of the auditory system

• audfiltbw - Bandwidth of audiory filters.
• headphonefilter - Headphone and outer ear filter coefficients.
• middleearfilter - Middle ear filter coefficients.

Model stages

• envextract - Envelope extraction by rectfication.
• adaptloop - Adaptation loops.
• adaptloop_init - Initialize long signal adaptloops.
• adaptloop_run - Run long signal adaptloops.

General signal processing

• rms - RMS value of a signal.
• rampup - Rising ramp function.
• rampdown - Falling ramp function.
• infamplitudeclip - Infinite amplitude clipping of signal.