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matlab编写,求mel滤波器矩阵的系数-Matlab prepared for mel filter coefficient matrix
Update : 2008-10-13 Size : 2kb Publisher : wh

matlab编写,求mel滤波器矩阵的系数-Matlab prepared for mel filter coefficient matrix
Update : 2025-02-17 Size : 2kb Publisher : wh

本程序是提取语音MFCC参数的必经步骤,是求出mel三角滤波器器组的参数,网上只有matlab程序,没有C程序,本人花费两个星期的时间才转换成功,经DSP 的CCS环境调试成功。-This procedure is the extraction of voice MFCC parameters necessary step is to derive the triangular mel filter device group parameters, on-line only matlab procedures, no C program, I spent two weeks time to convert the success of the CCS environment by DSP debugging success.
Update : 2025-02-17 Size : 1kb Publisher : 何正明

基于不变集多小波的语音特征参数提取研究 用小波变换替代傅立叶变换和梅尔滤波-Based on the invariant set Multiwavelet voice characteristic parameter extraction for research of wavelet transform and Fourier transform alternative Mel filter
Update : 2025-02-17 Size : 1.11mb Publisher : 王岐学

DL : 0
给出了一种求mel三角滤波器的matlab实现方法.(仿真代码)-This paper presents a filter for mel triangle matlab realization method. (Simulation code)
Update : 2025-02-17 Size : 1kb Publisher : chengbin

自己编写的求mel三角滤波器系数的程序,比matlab自带程序容易理解,帮助大家理解mel三角滤波器-I have written for triangular mel filter coefficients procedures, than matlab own procedures easy to understand and help us to understand the triangular mel filter
Update : 2025-02-17 Size : 1kb Publisher : cao

DL : 0
MFCC参数计算,也可进行语音信号处理。 本程序需要调用voicebox工具箱中的melbankm.m程序得到Mel频率滤波器组-MFCC parameters, but also for voice signal processing. This procedure required to call VoiceBox toolbox melbankm.m procedures Mel frequency filter bank
Update : 2025-02-17 Size : 1kb Publisher : 张路

Compute the matrix of mel filter coefficients given the sampling frequency, the length of the FFT and the number of desired mel filter channels.
Update : 2025-02-17 Size : 1.5mb Publisher : habeeb

matlab实现的很有用的语音识别源代码,包括MFCC,LPCC,DTW,Mel滤波器,端点检测等程序的实现。-Useful code of audio recognization writed by matlab, inclucing MFCC, LPCC, DTW, Mel Filter, Port Detection etc.
Update : 2025-02-17 Size : 10kb Publisher : 郑豪

这个函数也要被melcepst函数调用,用来进行计算Mel倒谱系数。这个函数的作用是构造mel滤波器组。-This function must be melcepst function call is used to calculate Mel cepstral coefficients. The role of this function is to construct a mel filter bank.
Update : 2025-02-17 Size : 2kb Publisher : bradden

DL : 0
melfiltter function use for speech recognition and have mel filter bank
Update : 2025-02-17 Size : 2kb Publisher : nill

对录音信号集 中的某一语音,利用BATLAB设计一美尔例谱算法,并实现。 取信号集 中的一个语音信号:“xxxxxx”,将它作为输入的语音信号来为设计一个美尔倒谱算法,在该算法中,主要设计了以下环节: 1.读入一个语音信号;2.对这个信号归一化;3.对归一化的信号进行加窗处理(这里的矩形窗长度必须为257,重帧长64);4.进行预加重处理,即通过一个高通滤波器: ;5进行512点的FFT;6.分别取模平方得到功率谱;7.在设计的mel滤波器组中,我采用了25个带通滤波器;8.将得到的功率谱信号通过mel滤波器组,得到相应的25个功率值;9.对这些功率值取自然对数;10.对这些值取离散作弦变换;11.将得到的值去掉直流分量,取其它值作为MFCC参数。 -Concentrated on recording a voice signal, using BATLAB designed Mayer cases spectral algorithm, and implementation. Get a voice signal signal focus: "xxxxxx", will it as input for the design of a voice signal to Mel Cepstrum algorithm in the algorithm, the main design of the following links: 1. Read a speech signal 2. On the signal normalized 3. Of the normalized windowed signal processing (here, rectangular window length must be 257, re-frame size 64) 4. For Pre-emphasis processing through a high-pass filter: 5 for 512 points of FFT 6. modulo square were obtained spectrum 7. in the design of mel filter banks, I use a 25 band-pass filter 8 . will be the power spectrum signal by mel filter bank, corresponding to the 25 power values 9. on the power to take the natural logarithm value 10. to take these values as strings of discrete transform 11. will be of value to out DC component, to take other values as MFCC parameters.
Update : 2025-02-17 Size : 13kb Publisher : 赵欣

DL : 0
The idea of a filterbank on a non-linear(mel) frequency scale-filter bank for mel
Update : 2025-02-17 Size : 2kb Publisher : lou

DL : 0
实现mel空间滤波,得到mel滤波器组的系数矩阵-mel-spaced filter
Update : 2025-02-17 Size : 2kb Publisher : gaofeng

coding for generating a mel filter bank for a given frequency vector
Update : 2025-02-17 Size : 1kb Publisher : samsom

compute mel filter coefficients
Update : 2025-02-17 Size : 1kb Publisher : vo thanh liem

对输入的语音序列x进行MFCC参数的提取,返回MFCC参数和一阶差分MFCC参数,Mel滤波器的阶数为24,fft变换的长度为256,采样频率为8000Hz,对x 256点分为一帧. -The voice of the input MFCC parameters on the sequence of x, return to MFCC parameters and extracted a order difference MFCC parameters, Mel filter for the order number 24, the length is 256 FFT transform, 8000Hz sampling frequency for to x 256 points, into a frame.
Update : 2025-02-17 Size : 4kb Publisher : mzh

语音识别系统,包括预处理,汉明窗,梅尔频率倒谱率,离散余弦变换,前置滤波器组,对数能量,滤波器组,基本的滤波器组,dtw-speech recognition system,including Pretreatment, Hamming window, Mel frequency cepstrum rate, discrete cosine transform, pre-filter, log energy, filter, basic filter,dtw
Update : 2025-02-17 Size : 6kb Publisher : 刘文龙

本文结合梅尔滤波器组和翻转梅尔滤波器组的优势,提出了一种混合滤波器组。-this paper combines the advantages of Mel filter banks and Inverted Mel filter banks, and proposes a hybrid filter banks.
Update : 2025-02-17 Size : 222kb Publisher : zx

source code for mel filter bank
Update : 2025-02-17 Size : 1kb Publisher : vinay
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