·詳細說明：Goertzel算法是DTMF信號檢測的核心，它利用二極點的IIR濾波器計算離散傅立葉變換值，快速有效的提取輸入信號的頻譜信息。-Goertzel algorithm is the DTMF signal examination core, it uses two extremes the IIR filter computations to be separated Fourier t
·基本信息Practical Antenna Handbook, 4th EditionbyJoseph J.Carr作者 Jeseph J. Carr 美國國防部航空電子(avionics)資深工程師one of the worlds leading and prolific writer and working scientist on electronics and radio, and an
·詳細說明：ITU-T G.723.1語音編解碼算法源代碼-ITU-T the G.723.1 pronunciation arranges the decoding to calculate the law origin code 文件列表: G.723.1_c .........\BASOP.C .........\BASOP.H ....
