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WavPlayer
- to show the waveform of audio file and play it on computer Purpose: Familiar with WAV file format and UI design It should have the following functions: Provide a Graphic User Interface for user to browse the file system and select one WAV file
VQ2005
- 我的语音直接波形矢量量化器,一个简单的例子.没有考虑有噪信道下的VQ-er设计-my voice waveform vector quantization directly with a simple example. Noise is not considered under the Channel VQ-er design
VB.modular.programming.audio.waveform.display VB模块化编程音频波形显示代码
- VB模块化编程音频波形显示代码VB code modular programming the audio waveform display -VB code modular programming the audio waveform display
A_rate_of_13_c_dc
- A率13折线的编译码实现 1、了解PCM及13折线A率编码及译码的原理； 2、随机给出一个语音信号，并用A率13折线PCM对其编码； 3、将编码后的信号经过加性高斯白噪声信道，并在接收端对其进行译码； 4、分别画出原始语音信号、PCM编码信号以及译码后信号的波形。 -A rate of 13 polyline encoding and decoding implementation 1, to understand the principles of PCM and th
signal_waveform_and_sonogram_shower
- 用声卡采集信号,实时显示信号的波形和三维语图-With a sound card signal acquisition, real-time display signal waveform and three-dimensional sonogram
read_wav
- 读进来WAV格式的语音数据，并绘制其波形，再播放WAV音频。-Reading into WAV format voice data, and mapping of its waveform, and WAV audio player.
yuputu
- matlab仿真中用来仿真各种语音波形的语谱图的matlab代码。-spectrogram matlab code matlab simulation is used to simulate a variety of voice waveform.
wavPCM
- 在GUI界面上，实现语音读取，描绘时域波形和频域波形，并进行采样和冲采样，最后进行非均匀量化（13折线）！-GUI interface, voice read, depicting the time-domain waveform and frequency domain waveforms, and sampling and washed samples, the final non-uniform quantization broken line (13)
approach_N10
- 计算10阶频域传输函数极点及系数来近似双正交coiflet小波尺度函数波形-Computing 10 poles of frequency domain transfer function and coefficient to approximate biorthogonal coiflet wavelet scale function waveform
yuyinxinhaolupoquzao
- 本课程设计的主要目的是在MATLAB环境下，使用窗口设计法设计一个滤波器，并对语音信号进行滤波去噪。开发平台为MATLAB7.0，设计方法为窗口设计法。用麦克风采集一段语音信号，绘制波形并观察其频谱，给定相应技术指标，用凯塞窗设计一个满足指标的FIR滤波器，对该语音信号进行滤波去噪处理，比较滤波前后的波形和频谱并进行分析。在滤波前后语音信号波形的变化中，由于我们录制的语音信号噪声不大，所以观察并不明显，但在频域波形中，我们可以明显的看到设计的滤波器对语音信号进行了滤波处理，将噪声进行了滤除。此次
sub-band-coding
- 子带编码是一种以信号频谱为依据的波形编码方法，首先用一组带通滤波器将输入信号按频谱分开，然后让每路子信号通过各自的自适应PCM编码器（ADPCM）编码，经过分接和解码再复合成原始信号。-In sub-band coding is a waveform signal based on the spectrum coding method using a first set of band pass filters to separate an input signal spectrum, and
yinpingshiyan
- 分别取长度N=160和N’=N+K的矩形窗函数作用于语音信号上，首先对其进行中心削 波，比较削波前和削波后语音信号波形，并使得削波后的信号进行乘积并求和，计算延迟为0<K<160时的相关值，并且用得到的相关值来检测语音信号的基音周期，用MATLAB画出图形。 -Length N = 160 were taken and N = N+ K rectangular window function in the role of the speech signal, the f
SoundAcquisition
- 在matlab中利用声卡对语音信号进行实时采集，并采集波形图，对采集信号进行频谱分析，画出频谱图，能查找峰值频率。有详细的注释和参数调整说明-In Matlab using real- time audio of the speech signal acquisition and acquisition waveform, Spectral Analysis of Signals and draw the spectrum, can find the peak frequency.A detai
decg711
- G711 speech codec: decoder API.it support ulaw and alaw, which contains a waveform, based on this code, you can modify it to support pitch pulse resynthesis of the estimated pitches.-G711 speech codec: decoder API.it support ulaw and alaw, which cont
encg711
- G711 speech codec: encoder API.it support ulaw and alaw, which contains a waveform, based on this code, you can modify it to support pitch pulse resynthesis of the estimated pitches.-G711 speech codec: encoder API.it support ulaw and alaw, which cont