搜索资源列表
ofdm_trans_recep_2D
- 基于DVB-T的二维插值信道估计和均衡。 在时域和频域对DVB传输码流进行信道估计和均衡。-based on the DVB-T's two-dimensional interpolation channel estimation and balanced. In the time domain and frequency domain for DVB transport stream for channel estimation and balanced.
praat4501_sources
- 音频数据分析,可以进行频域、时域、声强等的分析-Audio data analysis, frequency domain and time domain, the acoustic intensity analysis
VCapture
- 一个利用Video for Windows在 C++Builder编程环境下进行视频捕捉的一个实例。本 程序能够实现对输入的视频流的实时显示和捕获,包括 单帧图像的抓取和将一段视频流保存为AVI文件,同时 还可以对视频源的相关设置进行调整 -a use Video for Windows Programming in C Builder environment for inspection Frequency captured an example. The process
jrtplib-2.8.rar 用C++写的实时传输协议RTP
- 一个外国牛人用C++写的实时传输协议RTP,源代码的编写风格很好,可读性很强。可以用于网络视频和音频的传输,enjoy it, A foreign Niu Ren real-time transmission agreement RTP which writes with C, the source code compilation style very good, the readability is very strong. May use in the network video fr
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
932441WaveRecorder
- 运用DirectSound实现音频采集并实时播放。同时保存为.wave文件。可设置采集频率、声道等-Achieved using DirectSound audio capture and real-time playback. At the same time save. Wave files. Can be set to capture the frequency, channel, etc.
waverecord
- 就是按输入的时间录音,回放,显示波形及频谱图 录音过程中有动态频谱显示 -Itis input by the time recording, playback, show the waveform and frequency spectrum of dynamic recording process of the spectrum shows
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
lvbo
- 对音频信号进行几种滤波,有汉明窗,切比雪夫,巴特沃斯等。可以输出时域和频域的对比图。-Several of the audio signal filtering, there is Hamming window, Chebyshev, Butterworth and so on. Can output time domain and frequency domain comparison of Fig.
plugin-huang-part4
- 音频编码技术与标准介绍包括语音编码技术和音频编码技术 PCM、ADPCM、SB-ADPCM、线性预测、CELP、ACELP 心理声学模型、时频变换、窗切换、时域噪声整形、带宽扩展、立体声编 码、空间音频编码-Audio coding technology and standards introduced, including voice coding techniques, and audio coding technology ⣶
music_recognize_on_matlab
- 从信号处理的角度讲,小波(变换)是强有力的时频分析(处理)工具,是在克服傅立叶变换缺点的基础上发展而来的,所以从信号处理的角度认识小波,需要傅立叶变换、傅立叶级数、滤波器等的基础知识。 -From signal processing perspective, the wavelet (transform) is a powerful time-frequency analysis (processing) tool is to overcome the shortcomings on th
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
digitalfilter
- 设计产生一个连续信号,包含低频,中频,高频分量,对其进行采样,进行频谱分析,使用矩形窗设计不同特性的数字滤波器对信号进行滤波处理,分析所设计滤波器(画出了频率特性曲线),并对信号进行滤波,画出滤波后信号的时域波形和频谱,并对滤波前后的信号进行对比,同时设计出了一个友好的人机交互界面。-Designed to produce a continuous signal, including low frequency, medium frequency, high frequency componen
do-detection-and-frequency-spectrum
- Shows the frequency spectrum and shows all occuring doh notes in the time domain.
falabaac-v1.1.0.135.tar
- 新的AAC编码器,最高频宽达到20KHz,里面有与FAAC,neroAAC及经典的mp3编码lame编码后的音频时频图的比较,从时频图和听觉上,falabaaac都要稍好一些 支持windows与linux平台 更多代码及详细可访问 code.google.com/p/falab-New AAC encoder bandwidth up to 20KHz, which has a frequency diagram comparison with of FAAC,
EVB_max
- 基于短时窗时频分析的相位声码器 核心代码 phase vocoder-phase vovoder bassed on time-frequency 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
jiepie-V5.5
- Virtual power wireless sensor network coverage, For time-frequency analysis algorithm, Based on negative entropy largest independent component analysis.
程式碼
- 该代码可做快速傅里叶转换以及离散傅里叶转换以及绘制三维时频图(The code can do fast Fourier transform, as well as discrete Fourier transform, and to draw three-dimensional time-frequency map)
MDD_stfd
- 采用MDD(多方向分布)来进行基于时频分析的定位(MDD (multidirectional distribution) is used to locate location based on time-frequency analysis.)
