資源簡介
利用號碼雙頻表,利用傅里葉變換,實現由電話按鍵音,識別電話號碼功能。需要自己錄一段電話按鍵音。運行mainprocess自動輸出識別號碼。
(Dual-use table numbers, Fourier transform, achieved by touch-tone telephone, phone number identification function. It needs its own record a touch-tone phone. Mainprocess run automatically output identification number.)

代碼片段和文件信息
function?x=findmaxf(maxfmaxmodelY)
max1=maxmodelY(1);
max2=maxmodelY(1);
fk1=-1;
fk2=-1;
N=length(maxf);
for?i=1:1:N
????if?maxmodelY(i)>=max1
????????max1=maxmodelY(i);
????????fk1=i;
????end
end
for?i=1:1:N
????if?(maxmodelY(i)>max2)&&(maxmodelY(i)<=max1)
????????if?abs(maxf(i)-maxf(fk1))>70
????????????max2=maxmodelY(i);
????????????fk2=i;
????????end
????end
end
if?fk1>fk2
????fk=fk1;
????fk1=fk2;
????fk2=fk;
end
x=[maxf(fk1)maxf(fk2)];
????
????
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????160044??2015-03-29?20:33??dialWav.wav
?????文件?????????485??2015-04-18?16:53??findmaxf.m
?????文件?????????415??2015-04-18?16:56??findnum.m
?????文件?????????189??2015-11-06?23:54??mainprocessing.m
?????文件???????10937??2015-11-08?11:16??measurement.fig
?????文件????????7929??2015-11-08?11:18??measurement.m
?????文件?????????870??2015-11-07?00:37??Num.m
?????文件?????????860??2015-04-19?10:49??Num2.m
?????文件?????????698??2015-11-07?13:22??wavcut.m
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