1 | function **finalCodeAudioGen**(code,audioFileName,sps,repeatTime) |
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2 | |
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3 | % code: array of 1s and 0s. 1 means bit **"1"**, 0 means bit **"0"**. |
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4 | % audioFileName: like 'audio.wav'. |
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5 | |
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6 | bps = 16; % bits per sample |
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7 | %sps = 96000; % sample rate [samples/s] |
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8 | |
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9 | codeWave=[halfSineGen(**'u'**,800,0,1,sps);halfSineGen(**'d'**,400,0,1,sps);halfSineGen(**'u'**,800,0,1,sps);halfSineGen(**'d'**,400,0,1,sps)]; |
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10 | |
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11 | **for** i=1:size(code,2) |
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12 | codeWave = [codeWave; bitGen(code(i),1,sps)]; |
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13 | endfor |
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14 | |
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15 | fullCodeWave=[]; |
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16 | **for** i=1:repeatTime |
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17 | fullCodeWave=[fullCodeWave; codeWave; zeros(sps/20,1)]; |
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18 | endfor |
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19 | |
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20 | %special wave form **for** carrier |
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21 | carrierWave=[halfPeriodGen(**'u'**,30*1.215,-0.353,0.723,sps); |
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22 | **halfPeriodGen**(**'d'**,22*1.215,-0.015,0.384,sps); |
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23 | **halfPeriodGen**(**'u'**,31*1.215,0.261,0.661,sps); |
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24 | **halfPeriodGen**(**'d'**,28*1.215,0.392,0.530,sps); |
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25 | **halfPeriodGen**(**'u'**,25*1.215,0.246,0.384,sps); |
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26 | **halfPeriodGen**(**'d'**,32*1.215,-0.092,0.723,sps); |
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27 | **halfPeriodGen**(**'u'**,25*1.215,-0.430,0.384,sps); |
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28 | **halfPeriodGen**(**'d'**,26*1.215,-0.515,0.469,sps)]; |
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29 | |
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30 | fullCodeWave=[fullCodeWave fullCodeWave].*0.5; |
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31 | |
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32 | sizeCW=size(carrierWave,1); |
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33 | cWaveRepeat=[]; |
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34 | n=floor(size(fullCodeWave,1)/sizeCW); |
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35 | **for** i=1:n |
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36 | cWaveRepeat=[cWaveRepeat; carrierWave]; |
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37 | endfor |
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38 | |
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39 | **fullCodeWave**(1:n*sizeCW,2)+=cWaveRepeat; |
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40 | **wavwrite**(fullCodeWave, sps, bps, audioFileName); |
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