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1 % Auditory Toolbox
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2 % by Malcolm Slaney
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3 % (c) 1998 Interval Research Corporation
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4 % Technical Report #1998-010
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5 %
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6 % Lyon's Cochlear Model.
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7 % agc - Adaptation process for Lyon's Passive
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8 % longwave cochlear model
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9 % DesignLyonCascade - Designs the filters needed to implement
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10 % Lyon's passive cochlear model
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11 % EpsilonFromTauFs - Calculate the first order decay
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12 % coefficient (tau)
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13 % FreqResp - Evaluate frequency response of the filter
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14 % LyonPassiveEar - Calculate auditory nerve responses using
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15 % Lyon's passive cochlear model
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16 % SecondOrderSection - Design a second order filter section
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17 % SetGain - Set the gain of a second order system
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18 % soscascade - Implement a cascade of second order filters
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19 % sosfilters - Implement a bank of second order filters
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20 %
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21 % Patterson/Meddis Models
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22 % ERBSpace - Calculate frequencies for ERB filters
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23 % MakeERBFilters - Design for ERB cochlear model
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24 % ERBFilterBank - Implement a bank of ERB Gammatone filters
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25 % MeddisHairCell - Implement Meddis' Inner Hair Cell Model
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26 %
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27 % Seneff Auditory Model
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28 % SeneffEar - Implement Stages I/II of Seneff's Auditory Model
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29 % SeneffEarSetup - Design filters for Seneff's model
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30 %
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31 % Correlogram Processing
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32 % CorrelogramArray - Compute an array of correlogram frames
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33 % CorrelogramFrame - Compute a single correlogram frame
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34 % CorrelogramMovie - Compute a Matlab movie of a correlogram
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35 % CorrelogramPitch - Compute the pitch of a signal with a correlogram
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36 %
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37 % Signal Processing.
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38 % mfcc - Mel-frequency cepstral coefficient transform of
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39 % an audio signal
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40 % spectrogram - Compute the spectrogram of a signal
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41 % rasta - Implement RelAtive SpecTrAl filtering
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42 % proclpc - Perform Linear Preditive Coding (LPC) analysis
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43 % synlpc - Synthesize speech from LPC coefficients
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44 %
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45 % Demonstrations
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46 % MakeVowel - Synthesize a vowel sound
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47 % FMPoints - Create a changing pitch signal for vowel synthesis
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48 % WhiteVowel - Filter a speech signal so formants disappear
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