搜索资源列表
filter
- 能够读取wav格式的音频文件，并对读取的音频信号进行加窗，滤波，并显示滤波前后的波形
chebyshev1gt
- 用MATLAB软件分析音频信号通过高通滤波前后的频谱
PCM16bit_to_PCM8bit
- 利用matlab实现语音输入、8bit PCM音频截短、滤波输出。用于将大于8bit的PCM语音截短为8bit的PCM语音。
matlab_SoundWave_filter.rar
- 直接运行MAIN文件。对音频文件滤波，完成低通和高通滤波，并保存为WAV文件。,Run directly MAIN file. Filtering of the audio file to complete the low-pass and high-pass filter, and save it as WAV files.
FIR_audiofilter
- 用Matlab实现的音频FIR滤波，提供音频文件实例，效果很好-Implemented using Matlab audio FIR filter, to provide examples of audio files with good results
voicefliter
- 基础的音频处理matlab程序，设计巴特沃斯低通数字滤波器实现滤波。-Matlab-based audio processing procedures, Butterworth low-pass digital filter designed to achieve the filtering.
matlab
- matlab滤波器,里面有三个方法滤波，用来滤波音频文件的-matlab filter, there are three ways to filter, for filtering the audio file
MATLAB-Deal-Sound-Signal.doc
- matlab处理音频信号显示音频信号的频谱图，然后滤波，并对滤波前后音频信号的频谱图进行对比，接着对原始音频信号的频谱去掉若干个点与远视音频信号的频谱比较，最后对音频信号的频谱及相位进行三维显示-audio signal processing matlab
matlab--pitch-detection
- 语音基音频率的检测方法matlab编程 自相关法和同态滤波法-Pitch detection methods matlab programming frequency autocorrelation and homomorphic filtering
FIR-filter
- FIR语音滤波的MATLAB 程序，附带噪声的音频，和消噪后的音频，-MATLAB FIR filtering process voice, with the noise of the audio, and denoising of audio,
Matlab_wav
- 基于Matlab的音频文件数字滤波处理。本文基于Matlab分析了wav声音文件频谱与声音的关系，并给出了不同采样频率对输出声音信号的影响。-Matlab-based digital filter processing of audio files. This analysis based on Matlab wav sound files and sound relationship between the spectrum and gives different output samplin
3
- 用双音频输入重新仿真，实现频谱扩展功能，产生滤波后高斯过程功率谱密度和相关高斯序列时域值-Re-simulation with dual audio inputs, to achieve spread spectrum function, resulting in filtered Gaussian process Gaussian power spectral density and the associated value of time-domain sequence
a_compress
- 音频处理要用到的几个函数，包括A率压缩，u率的，以及其附属的傅里叶变换、滤波等等，总之包含了一个音频信号简单处理的大部分程序-Audio processing functions
matlab实现语音增强
- 本程序包括用维纳滤波和卡尔曼滤波两种方法实现去噪，以实现语音增强。音频文件为wav格式，采样率44100。噪声为高斯白噪声样本。
butr-cbsv-eli
- 给音频加100hz正弦噪音，分别用巴特沃兹、切比雪夫、椭圆滤波器滤波，显示误差曲线-Plus 100hz noise to sound, respectively Butterworth, Chebyshev, elliptic filter filtering error curve
Matlab-yuyin-lv-bo
- 用于语音滤波，可以消除噪声。另外还需要自备一个音频文件。-For voice filtering, can eliminate the noise. Also need to provide an audio file.
Noise1
- 将带有高频噪声和频谱搬移的音频，通过频谱搬移和滤波恢复原音频信号-Will move with a high-frequency noise and spectral audio, restore the original audio signal through the spectrum shifting and filtering
wav
- 可以实现对自己录制的wav格式声音进行频谱分析时域分析并且加入随机噪音，可播放声音进行对比，自动绘制波形频谱图。最后进行去噪滤波。适合大学生数字信号处理课程实验(It can realize the spectral analysis of the wav format, record the time domain analysis and add random noise. It can play the voice contrast, and automatically draw the
notch
- 基于MATLAB环境下，对音频文件的notch滤波。(Based on the MATLAB environment, notch filtering audio files.)
adjust
- 基于MATLAB环境下，对音频文件的自适应滤波。(Based on MATLAB environment, adaptive filtering of audio files.)