语音信号处理_MFCC特征提取_matlab_语音特征提取资源-CSDN文库

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jpg：5个

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语音信号处理

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matlab_MFCC.zip （21个子文件）

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matlab_MFCC

pic2.tif 1.51MB

pic4.tif 1.51MB

pic1.tif 1.51MB

pic8.tif 1.51MB

20210420133700924.png 21KB

p2.jpg 58KB

p1.jpg 52KB

data.mat 37.8MB

p5.jpg 72KB

mfcc.pdf 395KB

pic6.tif 1.51MB

20210420133725587.png 28KB

pic7.tif 1.51MB

pic3.tif 1.51MB

PHONE_001.wav 7.41MB

说明文档.txt 384B

p3.jpg 51KB

p4.jpg 37KB

mfcccmvn.m 6KB

pic9.tif 1.51MB

pic5.tif 1.51MB

Speech Technology - Kishore Prahallad (skishore@cs.cmu.edu)

1

Speech Technology: A Practical

Introduction

Topic: Spectrogram, Cepstrum

and Mel-Frequency Analysis

Kishore Prahallad

Email:

skishore@cs.cmu.edu

Carnegie Mellon University

&

International Institute of Information Technology Hyderabad

Speech Technology - Kishore Prahallad (skishore@cs.cmu.edu)

2

Topics

• Spectrogram

• Cepstrum

• Mel-Frequency Analysis

• Mel-Frequency Cepstral Coefficients

Speech Technology - Kishore Prahallad (skishore@cs.cmu.edu)

3

Spectrogram

Speech Technology - Kishore Prahallad (skishore@cs.cmu.edu)

4

Speech signal represented as a sequence of spectral vectors

FFT FFT FFT

Spectrum

Speech Technology - Kishore Prahallad (skishore@cs.cmu.edu)

5

Speech signal represented as a sequence of spectral vectors

FFT

Spectrum

FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT

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2024-04-23

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