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声卡采集程序deph
- 关于声卡采集的一个程序,可做FFT,利用声卡做采集卡,可做声音的频谱分析。-card on a procedure for the acquisition, FFT can do, using sound card collection to do, to do the voice spectrum analysis.
VC_Spectrum.Base.On.AudioCard
- VC实现基于声卡的频谱分析.可将麦克风上传的声音进行频谱分析(应用FFT变换)并回显。-VC Sound Card Based on the analysis of the spectrum. Can be uploaded to the microphone for voice spectrum analysis (FFT Transform) and a back.
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
Matlab_spectrum_analysis
- 基于matlab的信号FFT频谱分析与显示,含matlab代码-matlab spectrum analysis
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.
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
specdisp
- 自己写的利用FFT变换实现的声音频谱分析函数,支持多声道wav,可以对FFT变换点数、时间分辨率、频率分辨率、显示方式进行定制-Wrote it myself using FFT transform the voice spectrum analysis function, support multi-channel wav, can transform FFT points, time resolution, frequency resolution, and display customiz
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
failed-to-translate
- 音乐频谱显示,FFT对寄存器格式进行了优化,放弃了浮点型数据,改用整形.牺牲精度,效率大大提升-failed to translate
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