Mercurial > hg > map
diff userProgramsRM/test_toneInNoise.m @ 38:c2204b18f4a2 tip
End nov big change
author | Ray Meddis <rmeddis@essex.ac.uk> |
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date | Mon, 28 Nov 2011 13:34:28 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/userProgramsRM/test_toneInNoise.m Mon Nov 28 13:34:28 2011 +0000 @@ -0,0 +1,225 @@ +function test_toneInNoise +% test_MAP1_14 is a general purpose test routine that can be adjusted to +% test a number of different applications of MAP1_14 +% +% A range of options are supplied in the early part of the program +% +% One use of the function is to create demonstrations; filenames <demoxx> +% to illustrate particular features +% +% #1 +% Identify the file (in 'MAPparamsName') containing the model parameters +% +% #2 +% Identify the kind of model required (in 'AN_spikesOrProbability'). +% A full brainstem model (spikes) can be computed or a shorter model +% (probability) that computes only so far as the auditory nerve +% +% #3 +% Choose between a tone signal or file input (in 'signalType') +% +% #4 +% Set the signal rms level (in leveldBSPL) +% +% #5 +% Identify the channels in terms of their best frequencies in the vector +% BFlist. +% +% Last minute changes to the parameters fetched earlier can be made using +% the cell array of strings 'paramChanges'. +% Each string must have the same format as the corresponding line in the +% file identified in 'MAPparamsName' +% +% When the demonstration is satisfactory, freeze it by renaming it <demoxx> + +global dt dtSpikes savedBFlist saveAN_spikesOrProbability saveMAPparamsName... + savedInputSignal OMEextEarPressure TMoutput OMEoutput ARattenuation ... + DRNLoutput IHC_cilia_output IHCrestingCiliaCond IHCrestingV... + IHCoutput ANprobRateOutput ANoutput savePavailable ANtauCas ... + CNtauGk CNoutput ICoutput ICmembraneOutput ICfiberTypeRates ... + MOCattenuation +global OMEParams DRNLParams IHC_cilia_RPParams IHCpreSynapseParams +global AN_IHCsynapseParams MacGregorParams MacGregorMultiParams +global ICrate + + +dbstop if error +restorePath=path; +addpath (['..' filesep 'MAP'], ['..' filesep 'wavFileStore'], ... + ['..' filesep 'utilities']) + +%% #1 parameter file name +MAPparamsName='Normal'; + + +%% #2 probability (fast) or spikes (slow) representation +AN_spikesOrProbability='spikes'; +% or +AN_spikesOrProbability='probability'; + + +%% #3 pure tone, harmonic sequence or speech file input +signalType= 'tones'; +sampleRate= 44100; % must agree with noise +duration=0.010; % seconds +rampDuration=.001; % raised cosine ramp (seconds) +beginSilence=0.010; +endSilence=0.010; +toneFrequency= 2000; % or a pure tone (Hz) + +% or +% harmonic sequence (Hz) +% F0=210; +% toneFrequency= F0:F0:8000; + +% or +% signalType= 'file'; +% fileName='twister_44kHz'; + + + +%% #4 rms level +% signal details +leveldBSPL= 70; % dB SPL (80 for Lieberman) +leveldBSPLNoise=30; + +%% #5 number of channels in the model +% 21-channel model (log spacing) +numChannels=21; +lowestBF=250; highestBF= 8000; +BFlist=round(logspace(log10(lowestBF), log10(highestBF), numChannels)); + +% % or specify your own channel BFs +% numChannels=1; +% BFlist=toneFrequency; + + +%% #6 change model parameters + +paramChanges={}; + +% Parameter changes can be used to change one or more model parameters +% *after* the MAPparams file has been read +% This example declares only one fiber type with a calcium clearance time +% constant of 80e-6 s (HSR fiber) when the probability option is selected. +% paramChanges={'AN_IHCsynapseParams.ANspeedUpFactor=5;', ... +% 'IHCpreSynapseParams.tauCa=86e-6; '}; +paramChanges={'DRNLParams.MOCtauProb =.25;', ... + 'DRNLParams.rateToAttenuationFactorProb = 0.02; '}; +% paramChanges={'DRNLParams.MOCtauProb =.15;', ... +% 'DRNLParams.rateToAttenuationFactorProb = 0.00; '}; + + +%% delare 'showMap' options to control graphical output +showMapOptions.printModelParameters=1; % prints all parameters +showMapOptions.showModelOutput=1; % plot of all stages +showMapOptions.printFiringRates=1; % prints stage activity levels +showMapOptions.showACF=0; % shows SACF (probability only) +showMapOptions.showEfferent=1; % tracks of AR and MOC +showMapOptions.surfProbability=1; % 2D plot of HSR response +showMapOptions.surfSpikes=1; % 2D plot of spikes histogram +showMapOptions.ICrates=0; % IC rates by CNtauGk + +% disable certain silly options +if strcmp(AN_spikesOrProbability, 'spikes') + % avoid nonsensical options + showMapOptions.surfProbability=0; + showMapOptions.showACF=0; +end + +if strcmp(signalType, 'file') + % needed for labeling plot + showMapOptions.fileName=fileName; +else + showMapOptions.fileName=[]; +end + +%% Generate stimuli + +switch signalType + case 'tones' + % Create pure tone stimulus + dt=1/sampleRate; % seconds + time=dt: dt: duration; + inputSignal=sum(sin(2*pi*toneFrequency'*time), 1); + amp=10^(leveldBSPL/20)*28e-6; % converts to Pascals (peak) + inputSignal=amp*inputSignal; + % apply ramps + % catch rampTime error + if rampDuration>0.5*duration, rampDuration=duration/2; end + rampTime=dt:dt:rampDuration; + ramp=[0.5*(1+cos(2*pi*rampTime/(2*rampDuration)+pi)) ... + ones(1,length(time)-length(rampTime))]; + inputSignal=inputSignal.*ramp; + ramp=fliplr(ramp); + inputSignal=inputSignal.*ramp; + % add silence + intialSilence= zeros(1,round(beginSilence/dt)); + finalSilence= zeros(1,round(endSilence/dt)); + inputSignal= [intialSilence inputSignal finalSilence]; + +% [inputNoise sampleRateN]=wavread('babble'); + [inputNoise sampleRateN]=wavread('white noise'); + inputNoise=inputNoise(1:length(inputSignal)); + inputNoise=inputNoise(:,1); + targetRMS=20e-6*10^(leveldBSPLNoise/20); + rms=(mean(inputNoise.^2))^0.5; + amp=targetRMS/rms; + inputNoise=inputNoise*amp; + inputSignal=inputSignal+inputNoise'; + figure(2), subplot(2,1,1) + time=dt:dt:dt*length(inputSignal); + plot(time,inputSignal,'k') + + + case 'file' + %% file input simple or mixed + [inputSignal sampleRate]=wavread(fileName); + dt=1/sampleRate; + inputSignal=inputSignal(:,1); + targetRMS=20e-6*10^(leveldBSPL/20); + rms=(mean(inputSignal.^2))^0.5; + amp=targetRMS/rms; + inputSignal=inputSignal*amp; + intialSilence= zeros(1,round(0.1/dt)); + finalSilence= zeros(1,round(0.2/dt)); + inputSignal= [intialSilence inputSignal' finalSilence]; + +end + + +%% run the model +tic +fprintf('\n') +disp(['Signal duration= ' num2str(length(inputSignal)/sampleRate)]) +disp([num2str(numChannels) ' channel model: ' AN_spikesOrProbability]) +disp('Computing ...') + +MAP1_14(inputSignal, sampleRate, BFlist, ... + MAPparamsName, AN_spikesOrProbability, paramChanges); + + +%% the model run is now complete. Now display the results +UTIL_showMAP(showMapOptions, paramChanges) + +if strcmp(signalType,'tones') + disp(['duration=' num2str(duration)]) + disp(['level=' num2str(leveldBSPL)]) + disp(['toneFrequency=' num2str(toneFrequency)]) + global DRNLParams + disp(['attenuation factor =' ... + num2str(DRNLParams.rateToAttenuationFactor, '%5.3f') ]) + disp(['attenuation factor (probability)=' ... + num2str(DRNLParams.rateToAttenuationFactorProb, '%5.3f') ]) + disp(AN_spikesOrProbability) +end + +figure(2), subplot(2,1,2), plot(ANprobRateOutput(13+21,:)) +disp([ 'peak channel 13: ' num2str(max(ANprobRateOutput(13+21,:)))]) + +for i=1:length(paramChanges) + disp(paramChanges{i}) +end + +path(restorePath) +