Goertzel算法在音调检测中的应用
·采用快速傅立叶变换(FFT)算法程序可以方便地检测音频信号中的单个或多个音调,当只需检测少数几个频率时,本文介绍的Goertzel算法将更有效,该算法在进行音调检测时比快速傅立叶变换(FFT)所需的CPU资源少得多,运算速度更快。...
·采用快速傅立叶变换(FFT)算法程序可以方便地检测音频信号中的单个或多个音调,当只需检测少数几个频率时,本文介绍的Goertzel算法将更有效,该算法在进行音调检测时比快速傅立叶变换(FFT)所需的CPU资源少得多,运算速度更快。...
Draft ITU-T Recommendation and Final Draft International Standard of Joint Video Specification(ITU-T REec. H.264 | ISO/IEC 14496-10 AVC).H.264视频编码标准的中...
Draft ITU-T Recommendation and Final Draft International Standard of Joint Video Specification(ITU-T Rec.H.264 | ISO/IEC 14496-10 AVC) H.264编码标准,主体部分...
This program is an implementation of a part of one or more MPEG-4 Video tools as specified in ISO/IEC 14496-2 standard....
Draft ITU-T Recommendation and Final Draft International Standard of Joint Video Specification (ITU-T Rec. H.264 | ISO/IEC 14496-10 AVC)...