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volvec
- Run this m-file to see several examples of volume visualization in MATLAB.
MATLAB_forspeech.rar
- 采用MATLAB分析WAV文件。 步骤一：选择一个WAV文件作为分析的对象 。（ding.wav） 步骤三：进行 FFT变换并画频域图形 。 步骤四：进行该声波主要频谱的分析。 步骤五：根据该声音的频谱，反演时域图形 。（有失真） 步骤六：进行付立叶逆变换IFFT并画频域图形 。,WAV file analysis using MATLAB. Step One: Select a WAV file as the target of analysis. (Ding.wav) Step
DigitalEqualizer
- 圖形調整式數位音訊均衡器，使用matlab gui介面寫成。自動畫出頻率響應圖，可讀取.wav檔。濾波器由fdatools設計而成。-Digital audio graphic equalizer adjustments, and the use matlab gui interface language. Automatically draw the frequency response can be read. Wav file. Filter designed with the fdato
speex_echo_cancle
- 该代码是从SPEEX中提取出来有关回声消息部分的源码 它采取的是在频域进行操作，效果比较好" 经测试，如果原始声音与用于回声消息的参考声音之间存在时钟不同步时，极易发生在回音消息算法中的反溃发散现象. 压缩包中含有测试语音文件： Input_exsample_stereo.pcm: 8k16bit的线性pcm，含双通道语音。 vleft.pcm: 8k16bit linear pcm, 从Input_exsample_stereo.pcm 中分离出来的
Residual_Excited_Linear_Prediction_with_MATLAB.ra
- Simulation of Residual Excited Linear Prediction (RELP) coding for speech: This simulation give your voice or available clear wav file.This encoder have linear predictor that decreases signal s dynamic (lower quantization level). This technique als
speaker
- 数字的语音识别matlab程序 训练及识别数据太大,少量上传一点,大家可以用COOLEDIT等软件仿照自己制作.(*.wav文件采样率8000,单声道,采样精度16位,16bit Motorola PCM,*.lab文件存的是语音的起止点和语音内容). -Digit speech recognition matlab program too much training and recognition data, a small amount of upload that you can us
SSC-matlab
- 实现正弦编解码（Sinusoidal coding)的matlab程序 sinusoidal_analysis.m文件定义了函数[A, F, P, fs] = sinusoidal_analysis(filename, framelen, frameshiftlen)，将*.wav音频文件提取出A, F, P这3个参数矩阵。 sinusoidal_synthesis.m文件定义了函数syspeech = sinusoidal_synthesis(A, F, P, fs, framelen
matlab.spsnip_gui
- This a GUI that manages DSP analysis functions for wav-files [especially speech signals]. Two functions [plotps.m and spect.m] are included for starters. You may write your own functions and integrate that into the GUI without much hassle [see instru
Wiener_denoise
- 為一個使用matlab語言的聲音噪音消除程式,以Wiener filter為概念發展,輸入以及輸出皆為wave file-The use of language as a matlab program to eliminate the voice of noise to the concept of Wiener filter for the development of both input and output wave file
mp3_toolbox
- matlab 工具箱，用来打开mp3文件，并支持128k的mp3文件写功能 -matlab toolbox to open the mp3 files, and supports the mp3 file 128k Write
alie4
- This appendix gives the waveforms and FFTs of spectral content of the he file alien_voices.c. The frequency response curves were produced using the MATLAB Filter Design Toolbox
spectrogram
- This code generates the spectrogram of an input audio file.
codec_alaw
- This file is for alaw audio encoding
3Dcurves
- 3D curves The zip file includes the following curves: a) Helical curves: - Circular helix (right helicoid). - Elliptical helix. - Conical helix. - Spherical helix. - n-Helix. b) Sine waves in three dimensions - Sine
G729coder
- G.729音频压缩、解压缩到Matlab程序。使用方法详见readme文档。-Descr iption Most of G.729 source code is written in C.But this one is written in matlab. follow these steps to use it: 1.To coder a speech(ensure it as a row vector variable in matlab),simply type
noisetracking
- 包含M文件，培训和跟踪落实的噪音中描述的算法： [1] J.S.厄克伦斯和R. Heusdens，“非平稳噪声跟踪基于数据驱动的递归噪声功率的估计”，IEEE期刊。音频，语音卷。 16，第6页。1112年至1123年，2008年8月。 见Descr iption.doc在zip文件。-Contains m-files to train and implement the noise tracking algorithm described in:
G.723.1_2010_02_10
- 这个包实现了ITU - T的G.723.1语音编码器和解码器在Matlab。该方案的目标是提供一个良好的记录和模块化设计方案，实验和研究，以方便使用为基础的实际编码器。 编码器实现了G.723.1的多脉冲模式（在6.3 kb / s的运行）。解码器可以解码的5.3 kb / s的，在6.3 kb的多脉冲/秒，连续传输，数据包丢失隐藏）编码器（所有的ACELP方式。 该编码器和解码器之间的标准接口是位文件（同位文件由ITU - T参考代码产生兼容）。第二
aec-fdaf
- fdaf AEC matlab file with audio files to do the test
sinteza-matlab-Karplus-Strong
- A Karplus-Strong music synthesis algorithm, you can set the frequencies of notes, the overlap, amplitude and sustain in the kp.m file.-A Karplus-Strong music synthesis algorithm, you can set the frequencies of notes, the overlap, amplitude and susta
短时平均过零率
- 读入语音文件bluesky1.wav（内容为“蓝天，白云，碧绿的大海”）中的数据，进行分帧处理，然后计算其短时平均过零率。(Read the data from the voice file bluesky 1. wav (blue sky, white clouds, green sea), frame it, and calculate its short-term average zero-crossing rate.)