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銆�銆�ADC=Analog Digital Change 妯℃暩(sh霉)杞�(zhu菐n)鎻�
銆�銆�DAC= Digital Analog Change 鏁�(sh霉)妯¤綁(zhu菐n)鎻�
銆�銆�闊宠唱(zh矛)鐨勫劒(y艒u)鍔ｅ彇姹轰簬ADC鍜孌AC浣嶆暩(sh霉)鐨勫�氬��銆備緥濡傦細20绉掑埌 340绉�,寰�10绉掑埌340绉�.瑾�(y菙)闊宠姱鐗囩洿瑙�鐨勫緸鍚嶇ū(ch膿ng)涓婁締(l谩i)鐪�,灏辨槸鑸囪獮(y菙)闊虫湁闂�(gu膩n)鐨勮姱鐗�,瑾�(y菙)闊冲氨鏄�瀛樺��(ch菙)鐨勯浕瀛愯伈闊�,鍑℃槸鑳界櫦(f膩)鍑鸿伈闊崇殑鑺�鐗�,灏辨槸瑾�(y菙)闊宠姱鐗�,淇楃ū(ch膿ng)鑱查煶鑺�鐗�,鑻辨枃婧�(zh菙n)纰轰簺渚�(l谩i)瑾�(shu艒)鎳�(y墨ng)瑭叉槸Voice IC. 銆�鍦ㄨ獮(y菙)闊宠姱鐗囩殑澶у�跺涵涓�,鏍规摎(j霉)鑱查煶鐨勯��(l猫i)鍨嬩笉鍚屽彲鍒嗙偤(Speech IC)鍜�(Music IC)鍏╃ó.閫欏厭鎳�(y墨ng)瑭茬畻鏄�瑾�(y菙)闊宠姱鐗囩殑鍗�(q奴)鍒嗘柟娉�.