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Frequency_Analyzer
- 对着麦克风发点声音看看程序画面显示,本程序演示了声音的快速FFT变换(需要声卡和麦克风),对分析显示其各频率分量的程序. -talking the microphone to see the point of voice procedures screen display, demonstration of the process of rapid voice FFT transform (need sound card and microphone), Analysis showed th
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
musicrar
- 自己找的资料做的mp3的FFT分析，用来分析音乐的高中低频部分，然后用于一个项目，根据音乐的节奏来自动控制该项目。-it is about the frequency analysis of music with mp3 format,and is applied in the auto-control projects by the Treble and Bass of music.
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
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
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
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
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