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  • 大小: 2.74MB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2023-10-15
  • 語言: 其他
  • 標簽: MATLAB??

資源簡介

1、讀取錄音,2、端點檢測,3、分割信號,4、識別號碼,5、重復3-4,直到識別完畢,6、輸出信號。內有所需函數和代碼。

資源截圖

代碼片段和文件信息

function?Hd?=?band_pass
%BAND_PASS?Returns?a?discrete-time?filter?object.

%?MATLAB?Code

%?Butterworth?Bandpass?filter?designed?using?FDESIGN.BANDPASS.

%?Generated?by?MATLAB(R)?9.0?and?the?Signal?Processing?Toolbox?7.2.
%?Generated?on:?18-Dec-2019?14:51:03
%?All?frequency?values?are?in?Hz.
Fs?=?44100;??%?Sampling?Frequency

Fstop1?=?500;?????????%?First?Stopband?Frequency
Fpass1?=?697;?????????%?First?Passband?Frequency
Fpass2?=?1477;????????%?Second?Passband?Frequency
Fstop2?=?1600;????????%?Second?Stopband?Frequency
Astop1?=?20;??????????%?First?Stopband?Attenuation?(dB)
Apass??=?1;???????????%?Passband?Ripple?(dB)
Astop2?=?30;??????????%?Second?Stopband?Attenuation?(dB)
match??=?‘stopband‘;??%?Band?to?match?exactly

%?Construct?an?FDESIGN?object?and?call?its?BUTTER?method.
h??=?fdesign.bandpass(Fstop1?Fpass1?Fpass2?Fstop2?Astop1?Apass?...
??????????????????????Astop2?Fs);
Hd?=?design(h?‘butter‘?‘MatchExactly‘?match);

%?[EOF]

?屬性????????????大小?????日期????時間???名稱
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?????文件????1628048??2019-12-19?22:05??電話按鍵識別(內含按鍵錄音)\1234567890.wav

?????文件????????955??2019-12-19?15:41??電話按鍵識別(內含按鍵錄音)\band_pass.m

?????文件????????448??2019-12-19?11:35??電話按鍵識別(內含按鍵錄音)\fra.m

?????文件????????229??2019-12-19?11:30??電話按鍵識別(內含按鍵錄音)\inverse_fra.m

?????文件???????5144??2019-12-21?23:42??電話按鍵識別(內含按鍵錄音)\recognize_number.m

?????文件????????234??2019-12-14?17:49??電話按鍵識別(內含按鍵錄音)\zcro.m

?????文件??????35550??2019-12-21?23:42??電話按鍵識別(內含按鍵錄音)\分割信號.jpg

?????文件??????24524??2019-12-21?23:44??電話按鍵識別(內含按鍵錄音)\原始按鍵音.jpg

?????文件??????33523??2019-12-21?23:40??電話按鍵識別(內含按鍵錄音)\各按鍵音.jpg

?????文件????3608876??2019-12-14?16:57??電話按鍵識別(內含按鍵錄音)\備用1.wav

?????文件????3637292??2019-12-14?16:57??電話按鍵識別(內含按鍵錄音)\備用2.wav

?????文件????3978284??2019-12-14?16:57??電話按鍵識別(內含按鍵錄音)\備用3.wav

?????文件??????26379??2019-12-21?23:43??電話按鍵識別(內含按鍵錄音)\有效信號幀編號.jpg

?????文件??????26072??2019-12-21?23:43??電話按鍵識別(內含按鍵錄音)\濾波后的按鍵音.jpg

?????文件??????30456??2019-12-21?23:43??電話按鍵識別(內含按鍵錄音)\短時能量與過零率.jpg

?????文件???????5048??2019-12-21?23:44??電話按鍵識別(內含按鍵錄音)\識別結果.jpg

?????目錄??????????0??2019-12-21?23:45??電話按鍵識別(內含按鍵錄音)

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?????????????13041062????????????????????17


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