用于TM1300/PNX1300系列DSP（主要用于视频处理）的各种滤波器源码，包括fir/iir,以及dct和idct等。-for TM1300/PNX1300 Series DSP (mainly for video processing), the filter All source code, including fir / IIR, and A1501 and IDCT so.

语音滤波源代码，基于视频会议中语音编码前滤波，可以有效地消除噪声-voice filtering source code, based on video conference speech coding filter can effectively eliminate noise