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1 function test_speechInNoiseDelmanhorst
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2 % as used for Delmanhorst presentation
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3
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4 leveldBSPL= 60; % dB SPL
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5 leveldBSPLNoise=-55;
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6
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7 % leveldBSPL= 90; % test AR
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8 % leveldBSPLNoise=85;
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9
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10 % AR rate to attenuation factor
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11 OMEatten=0.1;
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12 % OMEatten=0.00;
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13
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14 MOCattenuation=0.00; % no attenuation
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15 % MOCattenuation=-0.02; % fixed
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16 % MOCattenuation=0.02; % dynamic within-channel
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17
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18 MOCtauProb=0.150;
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19
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20 paramChanges={};
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21
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22 % no attenuation
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23 paramChanges={['DRNLParams.rateToAttenuationFactorProb = '...
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24 num2str(MOCattenuation) ';'],...
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25 ['DRNLParams.MOCtauProb =' num2str(MOCtauProb) ';'],...
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26 ['OMEParams.rateToAttenuationFactorProb=' num2str(OMEatten) ';'] };
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27
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28 %
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29 fileName='twister_44kHz';
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30 % fileName='1o7a_44kHz';
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31
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32 dbstop if error
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33 restorePath=path;
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34 addpath (['..' filesep 'MAP'], ['..' filesep 'wavFileStore'], ...
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35 ['..' filesep 'utilities'])
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36
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37 %% #1 parameter file name
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38 MAPparamsName='Normal';
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39
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40
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41 %% #2 probability (fast) or spikes (slow) representation
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42 % AN_spikesOrProbability='spikes';
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43 % or
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44 AN_spikesOrProbability='probability';
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45
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46 %% #3 speech file input
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47
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48 beginSilence=.25;
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49 endSilence=0.25;
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50 noiseRampDuration=0.01;
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51
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52 %% #5 number of channels in the model
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53 % 21-channel model (log spacing)
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54 numChannels=21;
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55 lowestBF=300; highestBF= 6000;
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56 BFlist=round(logspace(log10(lowestBF), log10(highestBF), numChannels));
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57
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58 % or specify your own channel BFs
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59 % numChannels=1;
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60 % BFlist=toneFrequency;
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61
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62
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63
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64 %% delare 'showMap' options to control graphical output
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65 showMapOptions.printModelParameters=1; % prints all parameters
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66 showMapOptions.showModelOutput=1; % plot of all stages
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67 showMapOptions.printFiringRates=1; % prints stage activity levels
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68 showMapOptions.showACF=0; % shows SACF (probability only)
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69 showMapOptions.showEfferent=0; % tracks of AR and MOC
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70 showMapOptions.surfProbability=1; % 2D plot of HSR response
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71 showMapOptions.surfSpikes=0; % 2D plot of spikes histogram
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72 showMapOptions.ICrates=0; % IC rates by CNtauGk
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73 showMapOptions.PSTHbinwidth=0.010;
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74 showMapOptions.colorbar=0;
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75 showMapOptions.view=[0 90];
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76
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77 % disable certain silly options
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78 if strcmp(AN_spikesOrProbability, 'spikes')
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79 % avoid nonsensical options
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80 showMapOptions.surfProbability=0;
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81 showMapOptions.showACF=0;
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82 else
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83 showMapOptions.surfSpikes=0;
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84 end
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85 % needed for labeling plot
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86 showMapOptions.fileName=fileName;
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87
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88 %% Generate stimuli
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89
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90 %% file input simple or mixed
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91 [inputSignal sampleRate]=wavread(fileName);
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92 dt=1/sampleRate;
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93 inputSignal=inputSignal(:,1);
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94 targetRMS=20e-6*10^(leveldBSPL/20);
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95 rms=(mean(inputSignal.^2))^0.5;
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96 amp=targetRMS/rms;
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97 inputSignal=inputSignal*amp;
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98
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99 % add silences
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100 intialSilence= zeros(1,round(beginSilence*sampleRate));
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101 finalSilence= zeros(1,round(endSilence*sampleRate));
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102 inputSignal= [intialSilence inputSignal' finalSilence];
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103
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104 [inputNoise sampleRateN]=wavread('babble');
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105 inputNoise=inputNoise(1:length(inputSignal));
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106 inputNoise=inputNoise(:,1);
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107 targetRMS=20e-6*10^(leveldBSPLNoise/20);
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108 rms=(mean(inputNoise.^2))^0.5;
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109 amp=targetRMS/rms;
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110 inputNoise=inputNoise*amp;
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111 time=dt: dt: dt*length(inputNoise);
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112 rampTime=dt:dt:noiseRampDuration;
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113 ramp=[0.5*(1+cos(2*pi*rampTime/(2*noiseRampDuration)+pi)) ...
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114 ones(1,length(time)-length(rampTime))];
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115 inputNoise=inputNoise'.*ramp;
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116 inputSignal=inputSignal+inputNoise;
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117
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118
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119
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120 %% run the model
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121 tic
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122
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123 fprintf('\n')
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124 disp(['Signal duration= ' num2str(length(inputSignal)/sampleRate)])
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125 disp([num2str(numChannels) ' channel model'])
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126 disp('Computing ...')
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127
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128 MAP1_14(inputSignal, sampleRate, BFlist, ...
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129 MAPparamsName, AN_spikesOrProbability, paramChanges);
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130
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131
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132 %% the model run is now complete. Now display the results
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133 UTIL_showMAP(showMapOptions, paramChanges)
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134 figure(97),
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135 title(['speech/ noise: ' num2str([leveldBSPL leveldBSPLNoise]) ...
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136 '; atten/ tau: ' num2str([MOCattenuation MOCtauProb] )],'fontSize', 14)
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137
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138 disp(['level=' num2str(leveldBSPL)])
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139 disp(['noise level=' num2str(leveldBSPLNoise)])
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140
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141 global DRNLParams
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142 disp(['attenuation factor =' ...
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143 num2str(DRNLParams.rateToAttenuationFactor, '%5.3f') ])
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144 disp(['attenuation factor (probability)=' ...
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145 num2str(DRNLParams.rateToAttenuationFactorProb, '%5.3f') ])
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146 disp(AN_spikesOrProbability)
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147 disp(paramChanges)
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148 toc
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149 path(restorePath)
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150
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