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  • 大小: 85KB
    文件類型: .zip
    金幣: 2
    下載: 0 次
    發(fā)布日期: 2021-06-01
  • 語言: Matlab
  • 標(biāo)簽: MATLAB基頻??

資源簡介

Use the autocorrelation function on segments of the signal (windowsize: 100ms) and compute the fundamental frequency. Use a max_time_lag of 100ms in the autocorrelation function and a window shift of 25ms. Create a fundamental frequency vector and plot your pitch contour.

資源截圖

代碼片段和文件信息

function?[?output_args?]?=?autocorrelation(signal?max_time_lag)
????%%?name:?Sandra?Ashipala??student?number:?s0554648
????%%?name:?LinXiaokai??????student?number:?374826
????%We?write?the?function?just?according?to?the?formula?provided?in
????%question
????max_sample_lag=max_time_lag*16000;?%convert?time?lag?to?samples
????N=size(signal1);
????one_acf=0;
????acf?=?zeros(max_sample_lag+11);
????for?sample_lag=0:max_sample_lag????%compute?acf?for?different?lag
????for?k=1+sample_lag:N???????????????%compute?acf?for?one?lag
????????one_acf=one_acf+signal(k)*signal(k-sample_lag);
????end
????????acf(sample_lag+1)=one_acf/N;???%collect?result?of?acf
????end
????output_args=acf;
????end


?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄????????2048??2016-12-11?18:52??Programming?Homework?I\
?????文件???????90976??2013-10-01?18:46??Programming?Homework?I\13ZZ637A.wav
?????文件?????????691??2016-12-11?17:57??Programming?Homework?I\autocorrelation.asv
?????文件?????????716??2016-12-11?19:57??Programming?Homework?I\autocorrelation.m
?????文件????????2819??2016-12-11?19:07??Programming?Homework?I\prog_homework_01E1E2.asv
?????文件????????2272??2016-12-11?20:02??Programming?Homework?I\prog_homework_01E3.asv
?????文件????????2356??2016-12-11?20:14??Programming?Homework?I\prog_homework_01E3.m
?????文件????????3033??2016-12-11?20:22??Programming?Homework?I\prog_homework_01_E1E2.m
?????文件????????1470??2016-11-23?15:17??Programming?Homework?I\stpower.m
?????文件????????1635??2016-11-23?15:17??Programming?Homework?I\stzerocross.m
?????文件????????1583??2016-11-23?15:17??Programming?Homework?I\unvoivoi.m

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