% Auditory Toolbox% by Malcolm Slaney% (c) 1998 Interval Research Corporation  % Technical Report #1998-010%% Lyon's Cochlear Model.%   agc                - Adaptation process for Lyon's Passive %                        longwave cochlear model%   DesignLyonCascade  - Designs the filters needed to implement%                        Lyon's passive cochlear model%   EpsilonFromTauFs   - Calculate the first order decay %                        coefficient (tau)%   FreqResp           - Evaluate frequency response of the filter%   LyonPassiveEar     - Calculate auditory nerve responses using%                        Lyon's passive cochlear model%   SecondOrderSection - Design a second order filter section%   SetGain            - Set the gain of a second order system%   soscascade         - Implement a cascade of second order filters%   sosfilters         - Implement a bank of second order filters%% Patterson/Meddis Models%   ERBSpace           - Calculate frequencies for ERB filters%   MakeERBFilters     - Design for ERB cochlear model%   ERBFilterBank      - Implement a bank of ERB Gammatone filters%   MeddisHairCell     - Implement Meddis' Inner Hair Cell Model%% Seneff Auditory Model%   SeneffEar          - Implement Stages I/II of Seneff's Auditory Model%   SeneffEarSetup     - Design filters for Seneff's model%% Correlogram Processing%   CorrelogramArray   - Compute an array of correlogram frames%   CorrelogramFrame   - Compute a single correlogram frame%   CorrelogramMovie   - Compute a Matlab movie of a correlogram%   CorrelogramPitch   - Compute the pitch of a signal with a correlogram%% Signal Processing.%   mfcc               - Mel-frequency cepstral coefficient transform of%                        an audio signal%   spectrogram        - Compute the spectrogram of a signal%   rasta              - Implement RelAtive SpecTrAl filtering%   proclpc            - Perform Linear Preditive Coding (LPC) analysis%   synlpc             - Synthesize speech from LPC coefficients%% Demonstrations%   MakeVowel          - Synthesize a vowel sound%   FMPoints           - Create a changing pitch signal for vowel synthesis%   WhiteVowel         - Filter a speech signal so formants disappear