搜索资源列表
声卡波形
- 声卡波形分析,具有fft波形变换功能。采用windows api编程。是个学习的很好例子-audio waveform analysis, waveform with fft transform function. Using windows api programming. The study is a good example of
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
spectrum.rar
- 对wav音频进行分析,并进行fft转换,最后生成可视的频谱图,Wav audio for analysis and fft conversion, the final generation of visual spectrum
audio_FFT
- 一段音频处理程序,FFT+降噪,简单的试验适合初学者-An audio processor, FFT+ noise reduction, a simple test for beginners
armtest
- 实现音频采集和频谱分析的程序, 包括录音,回放,显示波形,FFT频谱。 自己写的,所以比较简陋了,仅供参考。-Audio acquisition and spectrum analysis procedures, including recording, playback, display waveform, FFT spectrum. Wrote it myself, so it is a simple comparison.
WaveConvertor
- 实现裸音数据的FFT变换以及对音频样本序列的处理,包括实现Forward和Reverse Fourier变换-Bare implementation of the FFT transform audio data as well as audio samples of the treatment sequence, including the realization of Forward and Reverse Fourier Transform
AudioLab
- Audio lab for FFT transform. Spectrum Analyzing.
musicdsp
- musicdsp source code archive-Analysis Beat Detector Class Coefficients for Daubechies wavelets 1-38 DFT Envelope detector Envelope Detector class (C++) Envelope follower with different attack and release Fast in-place Walsh-Hadamard Tra
dsp_3
- dft fft used in read audio file
fft
- this source code is about processing an audio file and then proses it with the FFT
Audio-capture-and-playback
- vc6.0环境下编写的基于快速傅里叶变换(FFT)的音频采集和播放代码,采用mfc设计的采集和播放界面,并能实时的看到声音波形。-vc6.0 environment prepared based on fast Fourier transform (FFT) audio capture and playback code, to mfc design capture and playback interface, and real-time to see a sound wave.
audio_analysis_synthesis.tar
- 该代码提供了音频信号的分析与重建示例代码, 该代码用fft 与mdct两种方式对音频信号进行分析和完美重建(perfect reconstruct), 通过该代码的学习可以了解并进一步学习mp3与AAC编码原理, 因为本代码与AAC滤波器组的分析与综合是一样的-audio analysis and synthesis example code
pinyu-bianhuan
- 实现了在matlab下音频信号的dct(离散余弦)和fft(傅里叶变换)相对matlab工具箱,有快速准确的效果。-Realized the dct (discrete cosine) of the audio signal in matlab fft (Fourier transform) relative matlab toolbox, fast and accurate results.
Audio-Watermark
- 音频水印,MCLT、fft,扩频运用,希望对大家有用-Audio watermarking, MCLT, fft, spectrum use, we hope to be useful
Audio_Water_fftbased
- An fft base audio watermarking algorithm, robust against various attacks
fft based audio speech watermarking
- a high robust and non blind fft base audio and speech watermarking
progress-6
- this audio retrieval based on the feature extraction such as FFT, STFT, and Power Spectral Density-this is audio retrieval based on the feature extraction such as FFT, STFT, and Power Spectral Density
fftn
- FFT源码, 适用于各种音频分析。-FFT source code, suitable for all kinds of audio analysis
libogg
- 首先对输入音频PCM信号进行时频分析,决定MDCT的长度,即加窗,然后进行MDCT变换;同时对原始音频信号要进行FFT分析。两种变换的频谱系输入给心理声学模型单元,MDCT系数用于噪声掩蔽计算,H可结果用于音调掩蔽特性计算,共同构造总的掩蔽曲线。然后根据MDCT系数及掩蔽曲线,对频谱系数进行线性预测分析用LPC(Linear Prediction Coefficience,线性预测系数)表示频谱包络,即基底曲线(Floor Curve);或通过线性分段逼近方式获得基底曲线。从MDCT系数中去掉
waveinFFT_demo
- audio processing FFT