搜索资源列表
ding
- 选取windows系统自带的ding.wav信号作为分析对象,在Matlab软件平台下,利用函数wavread对音频信号进行采样,记住采样频率和采样点数,听一下原始声音sound(y, fs, bits)。 (2)音频信号的频谱分析,先画出音频信号的时域波形;然后对音频号进行快速傅里叶变换fft(y,N),N取32768,画出信号的频谱特性,加深对频谱特性的理解。 (3)根据频谱,反演时域特性,画出时域波形。寻找幅值最大的两个频率,此频率除以fft点数在乘以采样频率就是信号的主频,即可合
BispectrumWavelets
- 用双谱和小波变换去除信号中加性高斯噪声的相关程序 1.实现单个变量的双谱分析程序 2.用傅立叶反变换求自相关函数的程序 3.用fft求取喜好频谱、功率谱、均方根谱、对数谱的程序 4.读取.wav语音信号后用小波去加信白噪声的程序 5.用各种小波和阀值对同一信号去加性噪声效果比较的程序 -Double-spectral and wavelet transform to remove the signal plus Gaussian noise procedures 1. T
FFTfilterbank
- 一個音樂分頻程式,以c++寫成。內含一個將音樂轉成純數字的源碼,一個分頻源碼(用FFT的overlap-and-add技術寫成),一個把不同頻率加起來的源碼(確認分頻正確)。-A filter bank using FFT overlap-and-add with a transformer that transfer the wav file into txt file and a checker that ensure the filter is correct.
wav_fft_draw
- 这是用matlab编的代码,实现的功能是可以方便的给定一段信号,画出它的频域的频谱图,对写论文有帮助-This is compiled with the matlab code, function is convenient for a given period of the signal, draw its frequency spectrum chart, to help write the paper
yuyinchuli
- 对语音进行简单处理 FFT变换 消噪等 含完整matlab文件和wav语音文件 -Simple voice processing such as FFT transform denoising matlab file containing a complete and wav sound files
vocoder_fft_v11_shift_pOK
- Vocoder by shifting - using FFT. Charge a Audio file .WAV ANS REPRODUCE THE RESPOSE IN .VAW
wavfft
- describe fft from wav file using matlab
myfft_wav
- Program to view FFT Spectrum from WAV file
2d_music
- 一种声源多维定位MUSIC算法 宽带信号通过FFT转换为窄带信号,在通过普通的窄带处理求出信号的方位信息。 注:这里的信号是wav格式的音频信号 程序还没有实现加权谱空间 QQ:2395558091 资料共享哦!-Source 2D positioning music algorithm
FFTandDTMF
- 实现对wav文件的FFT,拟合波形和识别DTMF,具体功能键实验报告-Wav files to achieve the FFT, waveform and fitting recognition DTMF, the specific function key test report
set allows for an OFDM transmission
- This simulation scr ipt set allows for an OFDM transmission to be simulated. Imagetx.m generates the OFDM signal, saving it as a windows WAV file. This allows the OFDM signal to be played out a sound card and recorded back. Imagerx.m decodes the
wav
- 对声音进行读取、fft、显示、播放等功能(wavread /fft/show/WAVplay)