comparison userProgramsRM/test_speechInNoise.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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equal deleted inserted replaced
37:771a643d5c29 38:c2204b18f4a2
1 function test_speechInNoise
2
3 leveldBSPL= 60; % dB SPL
4 leveldBSPLNoise=-55;
5
6 % leveldBSPL= 90; % test AR
7 % leveldBSPLNoise=85;
8 OMEatten=0.1;
9 OMEatten=0.00;
10
11 MOCattenuation=0.00; % no attenuation
12 % MOCattenuation=-0.02; % fixed
13 % MOCattenuation=0.02; % dynamic within-channel
14 MOCtauProb=0.150;
15
16 paramChanges={};
17
18 % no attenuation
19 paramChanges={['DRNLParams.rateToAttenuationFactorProb = '...
20 num2str(MOCattenuation) ';'],...
21 ['DRNLParams.MOCtauProb =' num2str(MOCtauProb) ';'],...
22 ['OMEParams.rateToAttenuationFactorProb=' num2str(OMEatten) ';'] };
23
24 %
25 fileName='twister_44kHz';
26 % fileName='1o7a_44kHz';
27
28 dbstop if error
29 restorePath=path;
30 addpath (['..' filesep 'MAP'], ['..' filesep 'wavFileStore'], ...
31 ['..' filesep 'utilities'])
32
33 %% #1 parameter file name
34 MAPparamsName='Normal';
35
36
37 %% #2 probability (fast) or spikes (slow) representation
38 AN_spikesOrProbability='spikes';
39 % or
40 AN_spikesOrProbability='probability';
41
42
43 %% #3 speech file input
44
45 beginSilence=.25;
46 endSilence=0.25;
47 noiseRampDuration=0.01;
48
49 %% #5 number of channels in the model
50 % 21-channel model (log spacing)
51 numChannels=21;
52 lowestBF=300; highestBF= 6000;
53 BFlist=round(logspace(log10(lowestBF), log10(highestBF), numChannels));
54
55 % or specify your own channel BFs
56 % numChannels=1;
57 % BFlist=toneFrequency;
58
59
60
61 %% delare 'showMap' options to control graphical output
62 showMapOptions.printModelParameters=1; % prints all parameters
63 showMapOptions.showModelOutput=1; % plot of all stages
64 showMapOptions.printFiringRates=1; % prints stage activity levels
65 showMapOptions.showACF=0; % shows SACF (probability only)
66 showMapOptions.showEfferent=0; % tracks of AR and MOC
67 showMapOptions.surfProbability=1; % 2D plot of HSR response
68 showMapOptions.surfSpikes=0; % 2D plot of spikes histogram
69 showMapOptions.ICrates=0; % IC rates by CNtauGk
70 showMapOptions.PSTHbinwidth=0.010;
71 showMapOptions.colorbar=0;
72 showMapOptions.view=[0 90];
73
74 % disable certain silly options
75 if strcmp(AN_spikesOrProbability, 'spikes')
76 % avoid nonsensical options
77 showMapOptions.surfProbability=0;
78 showMapOptions.showACF=0;
79 else
80 showMapOptions.surfSpikes=0;
81 end
82 % needed for labeling plot
83 showMapOptions.fileName=fileName;
84
85 %% Generate stimuli
86
87 %% file input simple or mixed
88 [inputSignal sampleRate]=wavread(fileName);
89 dt=1/sampleRate;
90 inputSignal=inputSignal(:,1);
91 targetRMS=20e-6*10^(leveldBSPL/20);
92 rms=(mean(inputSignal.^2))^0.5;
93 amp=targetRMS/rms;
94 inputSignal=inputSignal*amp;
95
96 % add silences
97 intialSilence= zeros(1,round(beginSilence*sampleRate));
98 finalSilence= zeros(1,round(endSilence*sampleRate));
99 inputSignal= [intialSilence inputSignal' finalSilence];
100
101 [inputNoise sampleRateN]=wavread('babble');
102 inputNoise=inputNoise(1:length(inputSignal));
103 inputNoise=inputNoise(:,1);
104 targetRMS=20e-6*10^(leveldBSPLNoise/20);
105 rms=(mean(inputNoise.^2))^0.5;
106 amp=targetRMS/rms;
107 inputNoise=inputNoise*amp;
108 time=dt: dt: dt*length(inputNoise);
109 rampTime=dt:dt:noiseRampDuration;
110 ramp=[0.5*(1+cos(2*pi*rampTime/(2*noiseRampDuration)+pi)) ...
111 ones(1,length(time)-length(rampTime))];
112 inputNoise=inputNoise'.*ramp;
113 inputSignal=inputSignal+inputNoise;
114
115
116
117 %% run the model
118 tic
119
120 fprintf('\n')
121 disp(['Signal duration= ' num2str(length(inputSignal)/sampleRate)])
122 disp([num2str(numChannels) ' channel model'])
123 disp('Computing ...')
124
125 MAP1_14(inputSignal, sampleRate, BFlist, ...
126 MAPparamsName, AN_spikesOrProbability, paramChanges);
127
128
129 %% the model run is now complete. Now display the results
130 UTIL_showMAP(showMapOptions, paramChanges)
131 figure(97),
132 title(['speech/ noise: ' num2str([leveldBSPL leveldBSPLNoise]) ...
133 '; atten/ tau: ' num2str([MOCattenuation MOCtauProb] )],'fontSize', 14)
134
135 disp(['level=' num2str(leveldBSPL)])
136 disp(['noise level=' num2str(leveldBSPLNoise)])
137
138 global DRNLParams
139 disp(['attenuation factor =' ...
140 num2str(DRNLParams.rateToAttenuationFactor, '%5.3f') ])
141 disp(['attenuation factor (probability)=' ...
142 num2str(DRNLParams.rateToAttenuationFactorProb, '%5.3f') ])
143 disp(AN_spikesOrProbability)
144 disp(paramChanges)
145 toc
146 path(restorePath)
147