SFS提供了计算语音本质的一系列工具。包括支持各种数据格式，信号处理和图形，频谱、共振峰分析，基频提取等等。在线文档说明请访问http://www.phon.ucl.ac.uk/resource/sfs/help/-SFS provides a voice calculated nature of a series of tools. Including support for various data formats, signal processing and graphics, spect

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

基于QT 和V4L2的视频采集程序 在ubuntu10.04版本下的QT开发，是基v4l2的视频采集，并将采集下来的数据进行编码保存成本地avi文件的应用程序。-Based the QT and V4L2 video capture program in ubuntu10.04 versions QT development-v4l2 video capture, encoding and data collection down to save the cost of land avi