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1 function test_speechInNoise
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2
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3 leveldBSPL= 60; % dB SPL
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4 leveldBSPLNoise=-55;
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5
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6 paramChanges={};
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7 % no attenuation
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8 paramChanges={'DRNLParams.rateToAttenuationFactorProb = 0.00; '};
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9 % fixed attenuation
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10 % paramChanges={'DRNLParams.rateToAttenuationFactorProb = -0.04;'};
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11 % % dynamic attenuation
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12 paramChanges={'DRNLParams.MOCtauProb =.15;', ...
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13 'DRNLParams.rateToAttenuationFactorProb = 0.01; '};
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14 %
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15 fileName='twister_44kHz';
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16 fileName='1o7a_44kHz';
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17
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18 dbstop if error
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19 restorePath=path;
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20 addpath (['..' filesep 'MAP'], ['..' filesep 'wavFileStore'], ...
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21 ['..' filesep 'utilities'])
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22
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23 %% #1 parameter file name
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24 MAPparamsName='Normal';
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25
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26
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27 %% #2 probability (fast) or spikes (slow) representation
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28 AN_spikesOrProbability='spikes';
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29 % or
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30 AN_spikesOrProbability='probability';
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31
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32
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33 %% #3 speech file input
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34
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35 beginSilence=.25;
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36 endSilence=0.25;
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37 noiseRampDuration=0.01;
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38
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39 %% #5 number of channels in the model
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40 % 21-channel model (log spacing)
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41 numChannels=21;
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42 lowestBF=300; highestBF= 6000;
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43 BFlist=round(logspace(log10(lowestBF), log10(highestBF), numChannels));
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44
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45 % or specify your own channel BFs
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46 % numChannels=1;
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47 % BFlist=1000;
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48
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49
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50
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51 %% delare 'showMap' options to control graphical output
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52 showMapOptions.printModelParameters=1; % prints all parameters
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53 showMapOptions.showModelOutput=1; % plot of all stages
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54 showMapOptions.printFiringRates=1; % prints stage activity levels
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55 showMapOptions.showACF=0; % shows SACF (probability only)
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56 showMapOptions.showEfferent=1; % tracks of AR and MOC
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57 showMapOptions.surfProbability=1; % 2D plot of HSR response
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58 showMapOptions.surfSpikes=0; % 2D plot of spikes histogram
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59 showMapOptions.ICrates=0; % IC rates by CNtauGk
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60 showMapOptions.PSTHbinwidth=0.002;
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61
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62 % disable certain silly options
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63 if strcmp(AN_spikesOrProbability, 'spikes')
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64 % avoid nonsensical options
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65 showMapOptions.surfProbability=0;
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66 showMapOptions.showACF=0;
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67 else
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68 showMapOptions.surfSpikes=0;
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69 end
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70 % needed for labeling plot
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71 showMapOptions.fileName=fileName;
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72
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73 %% Generate stimuli
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74
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75 %% file input simple or mixed
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76 [inputSignal sampleRate]=wavread(fileName);
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77 dt=1/sampleRate;
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78 inputSignal=inputSignal(:,1);
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79 targetRMS=20e-6*10^(leveldBSPL/20);
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80 rms=(mean(inputSignal.^2))^0.5;
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81 amp=targetRMS/rms;
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82 inputSignal=inputSignal*amp;
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83
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84 % add silences
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85 intialSilence= zeros(1,round(beginSilence*sampleRate));
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86 finalSilence= zeros(1,round(endSilence*sampleRate));
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87 inputSignal= [intialSilence inputSignal' finalSilence];
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88
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89 [inputNoise sampleRateN]=wavread('babble');
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90 inputNoise=inputNoise(1:length(inputSignal));
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91 inputNoise=inputNoise(:,1);
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92 targetRMS=20e-6*10^(leveldBSPLNoise/20);
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93 rms=(mean(inputNoise.^2))^0.5;
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94 amp=targetRMS/rms;
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95 inputNoise=inputNoise*amp;
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96 time=dt: dt: dt*length(inputNoise);
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97 rampTime=dt:dt:noiseRampDuration;
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98 ramp=[0.5*(1+cos(2*pi*rampTime/(2*noiseRampDuration)+pi)) ...
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99 ones(1,length(time)-length(rampTime))];
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100 inputNoise=inputNoise'.*ramp;
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101 inputSignal=inputSignal+inputNoise;
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102
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103
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104
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105 %% run the model
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106 tic
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107
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108 fprintf('\n')
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109 disp(['Signal duration= ' num2str(length(inputSignal)/sampleRate)])
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110 disp([num2str(numChannels) ' channel model'])
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111 disp('Computing ...')
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112
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113 MAP1_14(inputSignal, sampleRate, BFlist, ...
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114 MAPparamsName, AN_spikesOrProbability, paramChanges);
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115
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116
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117 %% the model run is now complete. Now display the results
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118 UTIL_showMAP(showMapOptions, paramChanges)
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119 figure(97), view([-3 82])
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120 title(['speech/ noise: ' num2str([leveldBSPL leveldBSPLNoise])])
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121
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122 disp(['level=' num2str(leveldBSPL)])
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123 disp(['noise level=' num2str(leveldBSPLNoise)])
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124
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125 global DRNLParams
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126 disp(['attenuation factor =' ...
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127 num2str(DRNLParams.rateToAttenuationFactor, '%5.3f') ])
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128 disp(['attenuation factor (probability)=' ...
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129 num2str(DRNLParams.rateToAttenuationFactorProb, '%5.3f') ])
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130 disp(AN_spikesOrProbability)
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131 disp(paramChanges)
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132 toc
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133 path(restorePath)
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134
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