在数字信号处理中，滤波占有极其重要的地位。数字滤波是语音处理、图像处理、模式识别、频谱分析等应用中的基本处理算法。用DSP芯片实现数字滤波除了具有稳定性好、精确度高、不受环境影响等优点外，还具有灵活性好等特点。-In digital signal processing, filtering an extremely important position. Digital filter is the voice processing, image processing, pattern recog

LD3320语音识别芯片的电路图。LD3320是基于非特定人的语音识别芯片，内部嵌入识别算法，在稳定环境下识别率高达96 。-LD3320 speech recognition chip circuit. LD3320 is based on the non-specific human speech recognition chip embedded within the recognition algorithm, in a stable environment, the recogniti