annotate userProgramsRM/test_toneInNoise.m @ 38:c2204b18f4a2 tip

End nov big change
author Ray Meddis <rmeddis@essex.ac.uk>
date Mon, 28 Nov 2011 13:34:28 +0000
parents
children
rev   line source
rmeddis@38 1 function test_toneInNoise
rmeddis@38 2 % test_MAP1_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 % One use of the function is to create demonstrations; filenames <demoxx>
rmeddis@38 8 % to illustrate particular features
rmeddis@38 9 %
rmeddis@38 10 % #1
rmeddis@38 11 % Identify the file (in 'MAPparamsName') containing the model parameters
rmeddis@38 12 %
rmeddis@38 13 % #2
rmeddis@38 14 % Identify the kind of model required (in 'AN_spikesOrProbability').
rmeddis@38 15 % A full brainstem model (spikes) can be computed or a shorter model
rmeddis@38 16 % (probability) that computes only so far as the auditory nerve
rmeddis@38 17 %
rmeddis@38 18 % #3
rmeddis@38 19 % Choose between a tone signal or file input (in 'signalType')
rmeddis@38 20 %
rmeddis@38 21 % #4
rmeddis@38 22 % Set the signal rms level (in leveldBSPL)
rmeddis@38 23 %
rmeddis@38 24 % #5
rmeddis@38 25 % Identify the channels in terms of their best frequencies in the vector
rmeddis@38 26 % BFlist.
rmeddis@38 27 %
rmeddis@38 28 % Last minute changes to the parameters fetched earlier can be made using
rmeddis@38 29 % the cell array of strings 'paramChanges'.
rmeddis@38 30 % Each string must have the same format as the corresponding line in the
rmeddis@38 31 % file identified in 'MAPparamsName'
rmeddis@38 32 %
rmeddis@38 33 % When the demonstration is satisfactory, freeze it by renaming it <demoxx>
rmeddis@38 34
rmeddis@38 35 global dt dtSpikes savedBFlist saveAN_spikesOrProbability saveMAPparamsName...
rmeddis@38 36 savedInputSignal OMEextEarPressure TMoutput OMEoutput ARattenuation ...
rmeddis@38 37 DRNLoutput IHC_cilia_output IHCrestingCiliaCond IHCrestingV...
rmeddis@38 38 IHCoutput ANprobRateOutput ANoutput savePavailable ANtauCas ...
rmeddis@38 39 CNtauGk CNoutput ICoutput ICmembraneOutput ICfiberTypeRates ...
rmeddis@38 40 MOCattenuation
rmeddis@38 41 global OMEParams DRNLParams IHC_cilia_RPParams IHCpreSynapseParams
rmeddis@38 42 global AN_IHCsynapseParams MacGregorParams MacGregorMultiParams
rmeddis@38 43 global ICrate
rmeddis@38 44
rmeddis@38 45
rmeddis@38 46 dbstop if error
rmeddis@38 47 restorePath=path;
rmeddis@38 48 addpath (['..' filesep 'MAP'], ['..' filesep 'wavFileStore'], ...
rmeddis@38 49 ['..' filesep 'utilities'])
rmeddis@38 50
rmeddis@38 51 %% #1 parameter file name
rmeddis@38 52 MAPparamsName='Normal';
rmeddis@38 53
rmeddis@38 54
rmeddis@38 55 %% #2 probability (fast) or spikes (slow) representation
rmeddis@38 56 AN_spikesOrProbability='spikes';
rmeddis@38 57 % or
rmeddis@38 58 AN_spikesOrProbability='probability';
rmeddis@38 59
rmeddis@38 60
rmeddis@38 61 %% #3 pure tone, harmonic sequence or speech file input
rmeddis@38 62 signalType= 'tones';
rmeddis@38 63 sampleRate= 44100; % must agree with noise
rmeddis@38 64 duration=0.010; % seconds
rmeddis@38 65 rampDuration=.001; % raised cosine ramp (seconds)
rmeddis@38 66 beginSilence=0.010;
rmeddis@38 67 endSilence=0.010;
rmeddis@38 68 toneFrequency= 2000; % or a pure tone (Hz)
rmeddis@38 69
rmeddis@38 70 % or
rmeddis@38 71 % harmonic sequence (Hz)
rmeddis@38 72 % F0=210;
rmeddis@38 73 % toneFrequency= F0:F0:8000;
rmeddis@38 74
rmeddis@38 75 % or
rmeddis@38 76 % signalType= 'file';
rmeddis@38 77 % fileName='twister_44kHz';
rmeddis@38 78
rmeddis@38 79
rmeddis@38 80
rmeddis@38 81 %% #4 rms level
rmeddis@38 82 % signal details
rmeddis@38 83 leveldBSPL= 70; % dB SPL (80 for Lieberman)
rmeddis@38 84 leveldBSPLNoise=30;
rmeddis@38 85
rmeddis@38 86 %% #5 number of channels in the model
rmeddis@38 87 % 21-channel model (log spacing)
rmeddis@38 88 numChannels=21;
rmeddis@38 89 lowestBF=250; highestBF= 8000;
rmeddis@38 90 BFlist=round(logspace(log10(lowestBF), log10(highestBF), numChannels));
rmeddis@38 91
rmeddis@38 92 % % or specify your own channel BFs
rmeddis@38 93 % numChannels=1;
rmeddis@38 94 % BFlist=toneFrequency;
rmeddis@38 95
rmeddis@38 96
rmeddis@38 97 %% #6 change model parameters
rmeddis@38 98
rmeddis@38 99 paramChanges={};
rmeddis@38 100
rmeddis@38 101 % Parameter changes can be used to change one or more model parameters
rmeddis@38 102 % *after* the MAPparams file has been read
rmeddis@38 103 % This example declares only one fiber type with a calcium clearance time
rmeddis@38 104 % constant of 80e-6 s (HSR fiber) when the probability option is selected.
rmeddis@38 105 % paramChanges={'AN_IHCsynapseParams.ANspeedUpFactor=5;', ...
rmeddis@38 106 % 'IHCpreSynapseParams.tauCa=86e-6; '};
rmeddis@38 107 paramChanges={'DRNLParams.MOCtauProb =.25;', ...
rmeddis@38 108 'DRNLParams.rateToAttenuationFactorProb = 0.02; '};
rmeddis@38 109 % paramChanges={'DRNLParams.MOCtauProb =.15;', ...
rmeddis@38 110 % 'DRNLParams.rateToAttenuationFactorProb = 0.00; '};
rmeddis@38 111
rmeddis@38 112
rmeddis@38 113 %% delare 'showMap' options to control graphical output
rmeddis@38 114 showMapOptions.printModelParameters=1; % prints all parameters
rmeddis@38 115 showMapOptions.showModelOutput=1; % plot of all stages
rmeddis@38 116 showMapOptions.printFiringRates=1; % prints stage activity levels
rmeddis@38 117 showMapOptions.showACF=0; % shows SACF (probability only)
rmeddis@38 118 showMapOptions.showEfferent=1; % tracks of AR and MOC
rmeddis@38 119 showMapOptions.surfProbability=1; % 2D plot of HSR response
rmeddis@38 120 showMapOptions.surfSpikes=1; % 2D plot of spikes histogram
rmeddis@38 121 showMapOptions.ICrates=0; % IC rates by CNtauGk
rmeddis@38 122
rmeddis@38 123 % disable certain silly options
rmeddis@38 124 if strcmp(AN_spikesOrProbability, 'spikes')
rmeddis@38 125 % avoid nonsensical options
rmeddis@38 126 showMapOptions.surfProbability=0;
rmeddis@38 127 showMapOptions.showACF=0;
rmeddis@38 128 end
rmeddis@38 129
rmeddis@38 130 if strcmp(signalType, 'file')
rmeddis@38 131 % needed for labeling plot
rmeddis@38 132 showMapOptions.fileName=fileName;
rmeddis@38 133 else
rmeddis@38 134 showMapOptions.fileName=[];
rmeddis@38 135 end
rmeddis@38 136
rmeddis@38 137 %% Generate stimuli
rmeddis@38 138
rmeddis@38 139 switch signalType
rmeddis@38 140 case 'tones'
rmeddis@38 141 % Create pure tone stimulus
rmeddis@38 142 dt=1/sampleRate; % seconds
rmeddis@38 143 time=dt: dt: duration;
rmeddis@38 144 inputSignal=sum(sin(2*pi*toneFrequency'*time), 1);
rmeddis@38 145 amp=10^(leveldBSPL/20)*28e-6; % converts to Pascals (peak)
rmeddis@38 146 inputSignal=amp*inputSignal;
rmeddis@38 147 % apply ramps
rmeddis@38 148 % catch rampTime error
rmeddis@38 149 if rampDuration>0.5*duration, rampDuration=duration/2; end
rmeddis@38 150 rampTime=dt:dt:rampDuration;
rmeddis@38 151 ramp=[0.5*(1+cos(2*pi*rampTime/(2*rampDuration)+pi)) ...
rmeddis@38 152 ones(1,length(time)-length(rampTime))];
rmeddis@38 153 inputSignal=inputSignal.*ramp;
rmeddis@38 154 ramp=fliplr(ramp);
rmeddis@38 155 inputSignal=inputSignal.*ramp;
rmeddis@38 156 % add silence
rmeddis@38 157 intialSilence= zeros(1,round(beginSilence/dt));
rmeddis@38 158 finalSilence= zeros(1,round(endSilence/dt));
rmeddis@38 159 inputSignal= [intialSilence inputSignal finalSilence];
rmeddis@38 160
rmeddis@38 161 % [inputNoise sampleRateN]=wavread('babble');
rmeddis@38 162 [inputNoise sampleRateN]=wavread('white noise');
rmeddis@38 163 inputNoise=inputNoise(1:length(inputSignal));
rmeddis@38 164 inputNoise=inputNoise(:,1);
rmeddis@38 165 targetRMS=20e-6*10^(leveldBSPLNoise/20);
rmeddis@38 166 rms=(mean(inputNoise.^2))^0.5;
rmeddis@38 167 amp=targetRMS/rms;
rmeddis@38 168 inputNoise=inputNoise*amp;
rmeddis@38 169 inputSignal=inputSignal+inputNoise';
rmeddis@38 170 figure(2), subplot(2,1,1)
rmeddis@38 171 time=dt:dt:dt*length(inputSignal);
rmeddis@38 172 plot(time,inputSignal,'k')
rmeddis@38 173
rmeddis@38 174
rmeddis@38 175 case 'file'
rmeddis@38 176 %% file input simple or mixed
rmeddis@38 177 [inputSignal sampleRate]=wavread(fileName);
rmeddis@38 178 dt=1/sampleRate;
rmeddis@38 179 inputSignal=inputSignal(:,1);
rmeddis@38 180 targetRMS=20e-6*10^(leveldBSPL/20);
rmeddis@38 181 rms=(mean(inputSignal.^2))^0.5;
rmeddis@38 182 amp=targetRMS/rms;
rmeddis@38 183 inputSignal=inputSignal*amp;
rmeddis@38 184 intialSilence= zeros(1,round(0.1/dt));
rmeddis@38 185 finalSilence= zeros(1,round(0.2/dt));
rmeddis@38 186 inputSignal= [intialSilence inputSignal' finalSilence];
rmeddis@38 187
rmeddis@38 188 end
rmeddis@38 189
rmeddis@38 190
rmeddis@38 191 %% run the model
rmeddis@38 192 tic
rmeddis@38 193 fprintf('\n')
rmeddis@38 194 disp(['Signal duration= ' num2str(length(inputSignal)/sampleRate)])
rmeddis@38 195 disp([num2str(numChannels) ' channel model: ' AN_spikesOrProbability])
rmeddis@38 196 disp('Computing ...')
rmeddis@38 197
rmeddis@38 198 MAP1_14(inputSignal, sampleRate, BFlist, ...
rmeddis@38 199 MAPparamsName, AN_spikesOrProbability, paramChanges);
rmeddis@38 200
rmeddis@38 201
rmeddis@38 202 %% the model run is now complete. Now display the results
rmeddis@38 203 UTIL_showMAP(showMapOptions, paramChanges)
rmeddis@38 204
rmeddis@38 205 if strcmp(signalType,'tones')
rmeddis@38 206 disp(['duration=' num2str(duration)])
rmeddis@38 207 disp(['level=' num2str(leveldBSPL)])
rmeddis@38 208 disp(['toneFrequency=' num2str(toneFrequency)])
rmeddis@38 209 global DRNLParams
rmeddis@38 210 disp(['attenuation factor =' ...
rmeddis@38 211 num2str(DRNLParams.rateToAttenuationFactor, '%5.3f') ])
rmeddis@38 212 disp(['attenuation factor (probability)=' ...
rmeddis@38 213 num2str(DRNLParams.rateToAttenuationFactorProb, '%5.3f') ])
rmeddis@38 214 disp(AN_spikesOrProbability)
rmeddis@38 215 end
rmeddis@38 216
rmeddis@38 217 figure(2), subplot(2,1,2), plot(ANprobRateOutput(13+21,:))
rmeddis@38 218 disp([ 'peak channel 13: ' num2str(max(ANprobRateOutput(13+21,:)))])
rmeddis@38 219
rmeddis@38 220 for i=1:length(paramChanges)
rmeddis@38 221 disp(paramChanges{i})
rmeddis@38 222 end
rmeddis@38 223
rmeddis@38 224 path(restorePath)
rmeddis@38 225