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1 % SimScene is a set of Matlab functions dedicated to the simulation of acoustic scenes.
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2 % This tool is specifically tailored to the evaluation of machine listening systems.
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3 % Thus, extensive and precise annotation of the scene content is provided together with the simulated scene.
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4 %
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5 % This tool is a research tool, provided as-is with the hope that it will be
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6 % useful and easy to adapt to the needs of others. Do not hesitate to provide
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7 % us with feedback at the following mail address: mathieu.lagrange@cnrs.fr
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8 %
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9 % SimScene have been tested on Matlab R2013b. The input audio files must be sampled at 44100 Hz.
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10
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11 % clear all;
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12 % close all;
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13
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14 inputPath='./sound/';
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15 outputPath='./results/';
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16
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17 %% timeMode: 'generate' -- ebrMode: 'generate'
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18
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19 timeMode='generate';
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20 ebrMode='generate';
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21 sceneDuration=15;
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22
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23 score.sceneDuration=sceneDuration;
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24 score.backgrounds={{'forest','forest', 1}};
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25 score.events={{'alouette','alouette', 12, 0, 2, 0.1, 1, 10, 0, 0},...
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26 {'bulbul' ,'bulbul' , 6 , 0, 2, 0, 3, 13, 0, 0},...
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27 {'geai' ,'geai' , 6 , 0, 1, 0.25, 5, 10, 0, 0}};
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28
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29 sceneId = ['demo_forest_timeMode_' timeMode '_ebrMode_' ebrMode];
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30 disp(sceneId);
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31
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32 simScene(inputPath,outputPath,score,...
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33 'timeMode',timeMode,'ebrMode',ebrMode,'outputFileName',sceneId);
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34
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35 %% timeMode: 'replicate' -- ebrMode: 'replicate'
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36
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37 % instanceAnnotFile='./scene2Replicate/forest.txt';
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38 % instanceAudioFile='./scene2Replicate/forest.wav';
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39 %
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40 % timeMode='replicate';
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41 % ebrMode='replicate';
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42 % sceneId = ['demo_forest_timeMode_' timeMode '_ebrMode_' ebrMode];
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43 % disp(sceneId);
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44 %
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45 % score.backgrounds={{'forest','forest', 1}};
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46 %
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47 % score.events={{'alouette','', -3, 0, 0, 0, 0, 0, 0, 0},... % Only change <ebr>
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48 % {'bulbul','', 3, 0, 0, 0, 6, 0, 0, 0}}; % Change <ebr> and <start_time>
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49 %
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50 % % If score.event is of length 1 and <label>='', offsets will be used for all classes.
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51 % % score.events={{'','',-6,0,0,0,0,0,0,0}}; % Change <ebr> for the three sound classes of bird.
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52 %
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53 % simScene(inputPath,outputPath,score,...
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54 % 'timeMode',timeMode,'ebrMode',ebrMode,'outputFileName',sceneId,...
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55 % 'instanceAnnotFile',instanceAnnotFile,'instanceAudioFile',instanceAudioFile);
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56 %
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57
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58 %% timeMode: 'abstract' -- ebrMode: 'abstract'
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59 %
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60 % instanceAnnotFile='./scene2Replicate/forest.txt';
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61 % instanceAudioFile='./scene2Replicate/forest.wav';
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62 %
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63 % timeMode='abstract';
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64 % ebrMode='abstract';
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65 % sceneId = ['demo_forest_timeMode_' timeMode '_ebrMode_' ebrMode];
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66 % disp(sceneId);
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67 %
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68 % score.backgrounds={{'forest','forest', 1}};
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69 % score.events={{'geai','', -3, 0, 5, 0, 1, 0, 0, 0}}; % Change <ebr>, <mean_time_between_instances> and <start_time>
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70 %
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71 % simScene(inputPath,outputPath,score,...
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72 % 'timeMode',timeMode,'ebrMode',ebrMode,'outputFileName',sceneId,...
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73 % 'instanceAnnotFile',instanceAnnotFile,'instanceAudioFile',instanceAudioFile); |