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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
音频波形显示和滤波
- 音频波形显示和滤波,1、录音功能：CWaveIn类2、播放功能:CWaveOut类3、波形显示和滤波：CFilter类4、语音数据压缩解压：CG729aCompress、CGsmCompress 因为继承至同一个父类，所以它们的接口是一样的, Audio frequency profile demonstration and filter,1, recording function: CWaveIn kind 2, broadcast function: CWaveOut kind 3, pr
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
audio
- 对一段音频文件进行了一系列的操作，诸如设置一个低频滤波。-processing an audio signal, such as filtering it with a Lowpass frequency filter.
digitalfilter
- 设计产生一个连续信号，包含低频，中频，高频分量，对其进行采样，进行频谱分析，使用矩形窗设计不同特性的数字滤波器对信号进行滤波处理，分析所设计滤波器(画出了频率特性曲线)，并对信号进行滤波，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，同时设计出了一个友好的人机交互界面。-Designed to produce a continuous signal, including low frequency, medium frequency, high frequency componen
noise_filter
- its a training for students to add a noise in any audio and then filter that specific frequency.
fant.tar
- This tool can be used to - filter speech data with a frequency characteristic as defined by ITU for telephone equipment and/or - add noise to speech recordings at a desired SNR (signal-to-noise ratio)
harmonic
- 语音harmonic特征提取，先对语音信号分帧，然后对每一帧使用中心频率维基音频率的倍数的带通滤波器进行滤波，最后滤波结果的傅立叶变换的结果-Voice harmonic feature extraction, the first speech signal sub-frame, and then using the center frequency for each frame of Wiki sound frequency multiple of the band-pass filter f
Subband
- subband is band the frequency of particular filter it pass some desire frequency ,-subband is band the frequency of particular filter it pass some desire frequency ,
biansheng
- 此文件实现了让语音信号通过低通，高通，带通滤波器使其变声，并且在GUI界面上绘出了个滤波器的频率响应和语音信号的频谱。-This file allows to achieve a voice signal through a low pass, high pass, band pass filter to make it change the sound, and plotted on a GUI interface and voice signal spectrum frequency res
coeff
- During encoding, the magnitude of the DFT for the prediction error is found peaks of the magnitude spectrum corresponding to the harmonics associated with the pitch frequency are measured. The peak values are the Fourier magnitudes and are tra
MELBANKM
- 在DTW语音识别算法中经常会用到的在MEL频率下组成的若干个带通滤波器-DTW speech recognition algorithm is often used in the frequency of the MEL composed of a number of bandpass filter
speech-signal-filter
- 使用matlab语言对一段语音信号进行滤波处理，首先分析时域信号，之后进行傅立叶变换，转换成频域，使用巴特沃斯低通滤波器去除高频部分。-Use matlab language of a voice signal is filtered first time domain signal after the Fourier transform is converted into the frequency domain, using a Butterworth low-pass filter to