搜索资源列表
Matlab_spectrum_analysis
- 基于matlab的信号FFT频谱分析与显示，含matlab代码-matlab spectrum analysis
FFT_dsound
- FFT声音动态频谱，可以采集声音并对其进行动态频谱分析。-FFT Dynamic Spectrum Sound AppWizard has created this DSound application for you. This application not only demonstrates the basics of using the Microsoft Foundation classes but is also a starting point for writing your a
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
FhDgHEP2
- 快速傅里叶变换算法的c语言实现程序，具体描述了fft算法的实现过程-Fast Fourier Transform algorithm c language implementation procedures, specific descr iption of the fft algorithm implementation process
31767697WaveFFT
- 用C#实现的类似频扑分析仪的功能,包括FFT变换等操作-To use C# to achieve a similar function of frequency flutter analyzer
shs_fft
- 将fft后的数据进行分谐波叠加，用来求含有谐波的声音，如人声、乐器等的基频-Fft the data after the sub-harmonic superposition is used to seek containing harmonic sounds, such as human voice, musical instruments, such as fundamental frequency
sp_syn
- This code designed for CCS for speech recogntion using FFT based feature extraction.
fft2_ifft2
- 傅里叶的快速算法，已验证程序。希望对使用FFT的朋友有所帮助。-fft algorithm, i hope it can help somebody.
Spectrogram
- show spectogram of wave file. It use FFT to draw spectrum of sound. only support saved wave file.
FFT_MMX
- 快速傅里叶（FFT)的MMX优化代码,可大幅度提高程序运行的时间-MMX code of FFT
shengyin
- 这是一个对齿轮箱震动产生的信号进行捕捉并进行谱分析的程序 它应用了FFT变换算法-This is a gearbox vibration signals generated by capturing and spectral analysis procedures for the application of fast Fourier transform algorithm
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.
MP3Player
- 本设计主要基于Visual Studio 2010编译环境下，涉及到多线程的设计，创建了两个线程，其中一个线程MP3的播放线程，另一个线程是频谱的分析线程，播放线程总是通过解码器获取数据，频谱线程根据当前播放的时间获取到正在播放的PCM数据，使用FFT计算后绘图显示。MP3解码则由由libmad开源解码库完成。-This design is mainly based on the build environment in Visual Studio 2010, related to the mu
fwav.cb6
- 利用FFT计算WAV文件的信号频谱,可以选择2048点/4096点/8192点运算,频谱分辨率高-The FFT calculation WAV files signal spectrum can choose the 2048/4096/8192 point operations, high spectral resolution
mdct-v1.0.0.40.tar
- mpeg编码中mp3与AAC会用到的mdct模块， 该代码提供了3种计算mdct的方法，第一种为原始公式，第二种为快速FFT变换，第三种是N/4点快速FFT变换。 在初始化时可选择任意一种计算方法，此外，还提供了定点的mdct代码，可以方便进行平台的移植-fast mdct calculate,
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
292535AudioWave
- Wave文件读取、播放、实时显示波形、对其作FFT和DCT等功能-Wave document read, play, real-time display of waveform, its function as FFT and DCT
draw_wav_fft
- 读取wav文件的一段数据，利用fft算法画出频域图形-Read wav files for some data, the use of the frequency domain fft algorithm to draw graphics
virtual-instrument-with-VB
- 一个非常好的VB开发的通过声卡采集波形的程序，达到声音测量，声音振动FFT分析功能-VB developed a very good through the sound card collection waveform procedures, to achieve sound measurement, sound and vibration analysis of FFT function
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.