annotate userPrograms/runMAP1_14.m @ 38:c2204b18f4a2 tip

End nov big change
author Ray Meddis <rmeddis@essex.ac.uk>
date Mon, 28 Nov 2011 13:34:28 +0000
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rmeddis@38 1 function runMAP1_14
rmeddis@38 2 % runMAP1_14 is a general purpose test routine that can be adjusted to
rmeddis@38 3 % test a number of different applications of MAP1_14
rmeddis@38 4 %
rmeddis@38 5 % A range of options are supplied in the early part of the program
rmeddis@38 6 %
rmeddis@38 7 % #1
rmeddis@38 8 % Identify the file (in 'MAPparamsName') containing the model parameters
rmeddis@38 9 %
rmeddis@38 10 % #2
rmeddis@38 11 % Identify the kind of model required (in 'AN_spikesOrProbability').
rmeddis@38 12 % A full brainstem model ('spikes') can be computed or a shorter model
rmeddis@38 13 % ('probability') that computes only so far as the auditory nerve
rmeddis@38 14 %
rmeddis@38 15 % #3
rmeddis@38 16 % Choose between a tone signal or file input (in 'signalType')
rmeddis@38 17 %
rmeddis@38 18 % #4
rmeddis@38 19 % Set the signal rms level (in leveldBSPL)
rmeddis@38 20 %
rmeddis@38 21 % #5
rmeddis@38 22 % Identify the channels in terms of their best frequencies in the vector
rmeddis@38 23 % BFlist.
rmeddis@38 24 %
rmeddis@38 25 % Last minute changes to the parameters can be made using
rmeddis@38 26 % the cell array of strings 'paramChanges'.
rmeddis@38 27 % Each string must have the same format as the corresponding line in the
rmeddis@38 28 % file identified in 'MAPparamsName'
rmeddis@38 29
rmeddis@38 30 dbstop if error
rmeddis@38 31 restorePath=path;
rmeddis@38 32 addpath (['..' filesep 'MAP'], ['..' filesep 'wavFileStore'], ...
rmeddis@38 33 ['..' filesep 'utilities'])
rmeddis@38 34
rmeddis@38 35 %% #1 parameter file name
rmeddis@38 36 MAPparamsName='Normal';
rmeddis@38 37
rmeddis@38 38
rmeddis@38 39 %% #2 probability (fast) or spikes (slow) representation: select one
rmeddis@38 40 % AN_spikesOrProbability='spikes';
rmeddis@38 41 % or
rmeddis@38 42 AN_spikesOrProbability='probability';
rmeddis@38 43
rmeddis@38 44
rmeddis@38 45 %% #3 A. pure tone, B. harmonic sequence or C. speech file input
rmeddis@38 46 % comment out unwanted code
rmeddis@38 47
rmeddis@38 48 % A. tone
rmeddis@38 49 sampleRate= 441000;
rmeddis@38 50 signalType= 'tones';
rmeddis@38 51 toneFrequency= 5000; % or a pure tone (Hz)
rmeddis@38 52 duration=0.500; % seconds
rmeddis@38 53 beginSilence=0.050;
rmeddis@38 54 endSilence=0.050;
rmeddis@38 55 rampDuration=.005; % raised cosine ramp (seconds)
rmeddis@38 56
rmeddis@38 57 % or
rmeddis@38 58 % B. harmonic tone (Hz) - useful to demonstrate a broadband sound
rmeddis@38 59 % sampleRate= 44100;
rmeddis@38 60 % signalType= 'tones';
rmeddis@38 61 % toneFrequency= F0:F0:8000;
rmeddis@38 62 % duration=0.500; % seconds
rmeddis@38 63 % beginSilence=0.250;
rmeddis@38 64 % endSilence=0.250;
rmeddis@38 65 % F0=210;
rmeddis@38 66 % rampDuration=.005; % raised cosine ramp (seconds)
rmeddis@38 67
rmeddis@38 68 % or
rmeddis@38 69 % C. signalType= 'file';
rmeddis@38 70 % fileName='twister_44kHz';
rmeddis@38 71
rmeddis@38 72 %% #4 rms level
rmeddis@38 73 % signal details
rmeddis@38 74 leveldBSPL= 70; % dB SPL (80 for Lieberman)
rmeddis@38 75
rmeddis@38 76 %% #5 number of channels in the model
rmeddis@38 77 % 21-channel model (log spacing)
rmeddis@38 78 numChannels=21;
rmeddis@38 79 lowestBF=250; highestBF= 6000;
rmeddis@38 80 BFlist=round(logspace(log10(lowestBF), log10(highestBF), numChannels));
rmeddis@38 81
rmeddis@38 82 % or specify your own channel BFs
rmeddis@38 83 % numChannels=1;
rmeddis@38 84 % BFlist=toneFrequency;
rmeddis@38 85
rmeddis@38 86
rmeddis@38 87 %% #6 change model parameters
rmeddis@38 88
rmeddis@38 89 paramChanges={};
rmeddis@38 90
rmeddis@38 91 % Parameter changes can be used to change one or more model parameters
rmeddis@38 92 % *after* the MAPparams file has been read
rmeddis@38 93 % This example declares only one fiber type with a calcium clearance time
rmeddis@38 94 % constant of 80e-6 s (HSR fiber) when the probability option is selected.
rmeddis@38 95 % paramChanges={'AN_IHCsynapseParams.ANspeedUpFactor=5;', ...
rmeddis@38 96 % 'IHCpreSynapseParams.tauCa=86e-6; '};
rmeddis@38 97
rmeddis@38 98
rmeddis@38 99
rmeddis@38 100 %% delare 'showMap' options to control graphical output
rmeddis@38 101 % see UTIL_showMAP for more options
rmeddis@38 102 showMapOptions.printModelParameters=1; % prints all parameters
rmeddis@38 103 showMapOptions.showModelOutput=1; % plot of all stages
rmeddis@38 104 showMapOptions.printFiringRates=1; % prints stage activity levels
rmeddis@38 105 showMapOptions.showEfferent=1; % tracks of AR and MOC
rmeddis@38 106 showMapOptions.surfProbability=1; % 2D plot of HSR response
rmeddis@38 107
rmeddis@38 108 if strcmp(signalType, 'file')
rmeddis@38 109 % needed for labeling plot
rmeddis@38 110 showMapOptions.fileName=fileName;
rmeddis@38 111 else
rmeddis@38 112 showMapOptions.fileName=[];
rmeddis@38 113 end
rmeddis@38 114
rmeddis@38 115 %% Generate stimuli
rmeddis@38 116 switch signalType
rmeddis@38 117 case 'tones'
rmeddis@38 118 % Create pure tone stimulus
rmeddis@38 119 dt=1/sampleRate; % seconds
rmeddis@38 120 time=dt: dt: duration;
rmeddis@38 121 inputSignal=sum(sin(2*pi*toneFrequency'*time), 1);
rmeddis@38 122 amp=10^(leveldBSPL/20)*28e-6; % converts to Pascals (peak)
rmeddis@38 123 inputSignal=amp*inputSignal;
rmeddis@38 124 % apply ramps
rmeddis@38 125 % catch rampTime error
rmeddis@38 126 if rampDuration>0.5*duration, rampDuration=duration/2; end
rmeddis@38 127 rampTime=dt:dt:rampDuration;
rmeddis@38 128 ramp=[0.5*(1+cos(2*pi*rampTime/(2*rampDuration)+pi)) ...
rmeddis@38 129 ones(1,length(time)-length(rampTime))];
rmeddis@38 130 inputSignal=inputSignal.*ramp;
rmeddis@38 131 ramp=fliplr(ramp);
rmeddis@38 132 inputSignal=inputSignal.*ramp;
rmeddis@38 133 % add silence
rmeddis@38 134 intialSilence= zeros(1,round(beginSilence/dt));
rmeddis@38 135 finalSilence= zeros(1,round(endSilence/dt));
rmeddis@38 136 inputSignal= [intialSilence inputSignal finalSilence];
rmeddis@38 137
rmeddis@38 138 case 'file'
rmeddis@38 139 %% file input simple or mixed
rmeddis@38 140 [inputSignal sampleRate]=wavread(fileName);
rmeddis@38 141 dt=1/sampleRate;
rmeddis@38 142 inputSignal=inputSignal(:,1);
rmeddis@38 143 targetRMS=20e-6*10^(leveldBSPL/20);
rmeddis@38 144 rms=(mean(inputSignal.^2))^0.5;
rmeddis@38 145 amp=targetRMS/rms;
rmeddis@38 146 inputSignal=inputSignal*amp;
rmeddis@38 147 intialSilence= zeros(1,round(0.1/dt));
rmeddis@38 148 finalSilence= zeros(1,round(0.2/dt));
rmeddis@38 149 inputSignal= [intialSilence inputSignal' finalSilence];
rmeddis@38 150 end
rmeddis@38 151
rmeddis@38 152
rmeddis@38 153 %% run the model
rmeddis@38 154 tic
rmeddis@38 155 fprintf('\n')
rmeddis@38 156 disp(['Signal duration= ' num2str(length(inputSignal)/sampleRate)])
rmeddis@38 157 disp([num2str(numChannels) ' channel model: ' AN_spikesOrProbability])
rmeddis@38 158 disp('Computing ...')
rmeddis@38 159
rmeddis@38 160 MAP1_14(inputSignal, sampleRate, BFlist, ...
rmeddis@38 161 MAPparamsName, AN_spikesOrProbability, paramChanges);
rmeddis@38 162
rmeddis@38 163
rmeddis@38 164 %% the model run is now complete. Now display the results
rmeddis@38 165 UTIL_showMAP(showMapOptions, paramChanges)
rmeddis@38 166
rmeddis@38 167 if strcmp(signalType,'tones')
rmeddis@38 168 disp(['duration=' num2str(duration)])
rmeddis@38 169 disp(['level=' num2str(leveldBSPL)])
rmeddis@38 170 disp(['toneFrequency=' num2str(toneFrequency)])
rmeddis@38 171 global DRNLParams
rmeddis@38 172 disp(['attenuation factor =' ...
rmeddis@38 173 num2str(DRNLParams.rateToAttenuationFactor, '%5.3f') ])
rmeddis@38 174 disp(['attenuation factor (probability)=' ...
rmeddis@38 175 num2str(DRNLParams.rateToAttenuationFactorProb, '%5.3f') ])
rmeddis@38 176 disp(AN_spikesOrProbability)
rmeddis@38 177 end
rmeddis@38 178 disp(paramChanges)
rmeddis@38 179 toc
rmeddis@38 180 path(restorePath)
rmeddis@38 181