銆�銆�浠�涔堟槸瑾�(y菙)闊宠姱鐗�锛�
銆�銆�瑾�(y菙)闊宠姱鐗囧畾缇╋細灏囪獮(y菙)闊充俊铏�(h脿o)閫氶亷(gu貌)閲囨ǎ杞�(zhu菐n)鍖栫偤鏁�(sh霉)瀛�锛屽瓨鍎�(ch菙)鍦↖C鐨凴OM涓�锛屽啀閫氶亷(gu貌)闆昏矾灏嘡OM涓殑鏁�(sh霉)瀛楅倓鍘熸垚瑾�(y菙)闊充俊铏�(h脿o)銆�
銆�銆�鏍规摎(j霉)瑾�(y菙)闊宠姱鐗囩殑杓稿嚭鏂瑰紡鍒嗙偤鍏╁ぇ椤�(l猫i)锛屼竴绋槸PWM杓稿嚭鏂瑰紡锛屼竴绋槸DAC杓稿嚭鏂瑰紡锛孭WM杓稿嚭闊抽噺涓嶅彲閫ｇ簩(x霉)鍙(di脿o)锛屼笉鑳芥帴鏅�氬姛鏀�锛岀洰鍓嶅競闈笂澶у鏁�(sh霉)瑾�(y菙)闊宠姱鐗囨槸PWM杓稿嚭鏂瑰紡銆傚彟澶栦竴绋槸DAC缍�(j墨ng)鍏�(n猫i)閮‥Q鏀惧ぇ锛岃┎瑾�(y菙)闊宠姱鐗囪伈闊抽�ｇ簩(x霉)鍙(di脿o)锛屽彲鏁�(sh霉)瀛楁帶鍒惰(di脿o)绡�(ji茅)锛屽彲澶栨帴鍔熸斁銆�
銆�銆�鏅�氳獮(y菙)闊宠姱鐗囨斁闊冲姛鑳藉(sh铆)璩�(zh矛)涓婃槸涓�鍊�(g猫)DAC閬�(gu貌)绋嬶紝鑰孉DC閬�(gu貌)绋嬭硣鏂欐槸鐢遍浕鑵﹀畬鎴愶紝鍏朵腑鍖呮嫭灏�(du矛)瑾�(y菙)闊充俊铏�(h脿o)鐨勯噰妯�銆佸绺�丒Q绛夎檿鐞�銆�
銆�銆�閷勯煶鑺墖鍖呮嫭ADC鍜孌AC鍏╁��(g猫)閬�(gu貌)绋�锛岄兘鏄敱鑺墖鏈韩瀹屾垚鐨勶紝鍖呮嫭瑾�(y菙)闊虫暩(sh霉)鎿�(j霉)鐨勯噰闆�銆佸垎鏋�銆佸绺�佸瓨鍎�(ch菙)銆佹挱鏀剧瓑姝ラ銆�
銆�銆�ADC=AnalogDigitalChange妯℃暩(sh霉)杞�(zhu菐n)鎻�
銆�銆�DAC=DigitalAnalogChange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)鐨勫灏�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)闊冲氨鏄瓨鍎�(ch菙)鐨勯浕瀛愯伈闊�,鍑℃槸鑳界櫦(f膩)鍑鸿伈闊崇殑鑺墖,灏辨槸瑾�(y菙)闊宠姱鐗�,淇楃ū(ch膿ng)鑱查煶鑺墖,鑻辨枃婧�(zh菙n)纰轰簺渚�(l谩i)瑾�(shu艒)鎳�(y墨ng)瑭叉槸VoiceIC.銆�鍦ㄨ獮(y菙)闊宠姱鐗囩殑澶у搴腑,鏍规摎(j霉)鑱查煶鐨勯(l猫i)鍨嬩笉鍚屽彲鍒嗙偤(SpeechIC)鍜�(MusicIC)鍏╃ó.閫欏厭鎳�(y墨ng)瑭茬畻鏄獮(y菙)闊宠姱鐗囩殑鍗�(q奴)鍒嗘柟娉�.
銆�銆�瑾�(y菙)闊宠姱鐗囩殑鐢熺敘(ch菐n)鏂瑰紡
銆�銆�鎺╄啘鐢熺敘(ch菐n)銆傛帺鑶滅敓鐢�(ch菐n)閫氫織鐨勮(shu艒)灏辨槸鍏堝皣鑱查煶鐕掑埌鑺墖閲�锛岀劧鍚庡啀閫�(j矛n)琛屽皝瑁�锛屼竴鑸湁閲忕殑瑕佹眰銆�
銆�銆�otp鐢熺敘(ch菐n)銆傛墍璎俹tp鐨勬剰鎬濇槸鎸囩殑涓�娆℃�х噿閷勩�傚厛鎶婅姱鐗囧皝瑁濆ソ锛屽啀鍊熺敤杌熶欢鐕掗��(j矛n)鍘昏伈闊炽��
銆�銆�瑾�(y菙)闊宠姱鐗囨湁鏍规摎(j霉)IC鏈韩鐨勭墿鐞嗙祼(ji茅)妲�(g貌u)鐨勫鍊�(g猫)閫氶亾(鍚屾檪(sh铆)鐧�(f膩)鍑哄鍊�(g猫)閫氶亾鐨勮伈闊�)鍙垎鐐哄绋(l猫i)鍨�:
銆�銆�涓�,鍠�氶亾鐨勶細
銆�銆�1,鍠�氶亾鐨勮獮(y菙)闊矷C(SpeechIC)(閫欑ó瑾�(y菙)闊宠姱鐗囦笉鏀寔闊虫▊(l猫)IC闊虫▊(l猫)瀛樺劜(ch菙)鏂瑰紡);甯歌(ji脿n)鐨勮獮(y菙)闊矷C鏄柈閫氶亾鐨勮獮(y菙)闊宠姱鐗�,DKC020-OTP20绉掑拰DKA010鍕�(d貌ng)鐗╁彨鑱叉槸鏈�鍏稿瀷鐨勫柈閫氶亾瑾�(y菙)闊宠姱鐗囦簡,
銆�銆�2,鍠�氶亾鐨勯煶妯�(l猫)IC(MusicIC),鍚屼竴鍠綅鏅�(sh铆)闁撳収(n猫i)鍙兘鐧�(f膩)鍑轰竴绋煶妯�(l猫)鐨勯煶妯�(l猫)IC,闆诲瓙鑱查煶鏂囦欢鏄彧鏈変竴鍊�(g猫)閫氶亾鐨�.Mid鍚庣洞鏂囦欢.
銆�銆�甯歌(shu艒)鐨勫柈闊崇墖,鏄竴绋渶鍩烘湰鐨勯煶妯�(l猫)IC,鐢变竴瀹氭檪(sh铆)闁撳収(n猫i)闊崇杓稿嚭鐨勫灏�,姹哄畾浜嗗柈闊崇墖鐨勬晥鏋�,鏈�64闊崇澶�,128闊崇绛夌瓑.鍠煶鐗囨噳(y墨ng)鐢ㄥ牬(ch菐ng)鍚堝唬,鍍�(ji脿)鏍兼サ鍏朵綆寤�,鏈�甯歌(ji脿n)鐨勬湁鍠煶鐗囨湁鐢熸棩蹇▊(l猫)璩�鍗″柈闊崇墖.鍏稿瀷鐨勬湁DK20S绛�
銆�銆�鍤�(y谩n)鏍肩殑瑾�(shu艒),鍠�氶亾鐨勯煶妯�(l猫)IC鍜屽柈闊崇墖鐨勫叐鑰呯祼(ji茅)妲�(g貌u)鏄笉鐩稿悓鐨�
銆�銆�浜�,2閫氶亾锛�
銆�銆�1,2閫氶亾鐨勮獮(y菙)闊矷C,2閫氶亾鍜屽閫氶亾鐨勮獮(y菙)闊宠姱鐗�,瀵�(sh铆)闅涙噳(y墨ng)鐢ㄤ腑瑾�(y菙)闊虫挱鏀炬檪(sh铆)涓�鑸渻(hu矛)鎸夎(gu墨)瀹氬浐瀹氬湪鏌愪竴閫氶亾鍏�(n猫i)閫�(j矛n)琛岃伈闊崇殑鎾斁(绛夊悓浜庡柈閫氶亾),浣嗘槸閫欓(l猫i)鐢�(ch菐n)鍝佹瘮鍠�氶亾鐨勮獮(y菙)闊矷C(Speechic)鎴愭湰瑕侀珮,鍍�(ji脿)鏍兼渻(hu矛)楂樹簺,瑾�(y菙)闊宠姱鐗囧粻瀹跺湪瑷�(sh猫)瑷�(j矛)鏅�(sh铆)鐐轰簡骞宠 鐢�(ch菐n)鍝佸児(ji脿)鏍煎拰鎳�(y墨ng)鐢�,涓�鑸締(l谩i)瑾�(shu艒),鍔熻兘鏀寔鍜岃伈闊虫晥鏋滄柟闈㈤兘鏈�(hu矛)鍋氬緱鏇村畬缇庝竴浜�.
銆�銆�閫欑ó绲�(ji茅)妲�(g貌u)涔熻ū鏄洜?y脿n)妤玜(ch菐n)鍝佸拰鏂规瀵�(sh铆)闅涙噳(y墨ng)鐢ㄩ牁(l菒ng)鍩熷拰鍍�(ji脿)鏍兼墍姹哄畾鐨�,瑾�(y菙)闊宠姱鐗囪几鍑轰竴鑸兘鏄柈閫氶亾鐨勮伈闊宠几鍑�,鏀寔绔嬮珨鑱茬殑鐢�(ch菐n)鍝佸緢灏�,瑕侀珮绔竴浜涚殑鐢�(ch菐n)鍝佸氨瑕侀伕MP3涓绘帶鑺墖涔嬮(l猫i)鐨勬柟妗堜簡
銆�銆�2,2閫氶亾鐨勯煶妯�(l猫)鑺墖,閫氫織鍙硶鏄洐闊崇墖(MusicWithDualToneIC),椤у悕鎬濈京,鍚屼竴鍠綅鏅�(sh铆)闁撳収(n猫i)浜屽��(g猫)閫氶亾閮藉彲浠ョ櫦(f膩)鍑洪煶妯�(l猫)鐨勯煶妯�(l猫)IC.闆诲瓙鑱查煶婧愭枃浠朵竴鑸偤.Mid鐨勪簩閫氶亾鏂囦欢.甯歌(ji脿n)鐨勫湥瑾曠郴鍒楅煶妯�(l猫)IC濡�:.
銆�銆�閫欓噷寰楀瑁�(b菙)鍏呭叐鍙�,甯傞潰涓婇倓鏈変竴鍊�(g猫)鍙玬elody鐨勯煶妯�(l猫)鑺墖,濂规槸鍊�(g猫)浠�涔堝畾缇╁憿?绨�(ji菐n)鍠殑渚�(l谩i)瑾�(shu艒),姣斿柈闊崇墖鐨勬晥鏋滆濂芥瘮鍜屽鸡闊虫▊(l猫)鑺墖鐨勬晥鏋滆宸殑涓�绋煶妯�(l猫)鑺墖,鎵�浠ラ洐闊崇墖涔熸湁琚彨鎴愭槸melody闊虫▊(l猫)鑺墖,melody绲�(ji茅)妲�(g貌u)鎳�(y墨ng)瑭蹭締(l谩i)瑾�(shu艒)鏄竴绋洿鐨勫柈闊崇墖,鎴栬�呭彲浠ヨ(shu艒)鏄簩鍊嶆晥鏋滅殑鍠煶鐗�.
銆�銆�涓�,4閫氶亾,8閫氶亾鎴栦互涓婏細
銆�銆�涓夐�氶亾浠ヤ笂鐨勮伈闊�.鍙堢ū(ch膿ng)鐐哄拰寮﹂煶妯�(l猫).甯歌(shu艒)鐨�4鍜屽鸡闊虫▊(l猫)IC灏辨槸鎸�4閫氶亾鐨勯煶妯�(l猫)IC,渚嬪DKC040...
銆�銆�涓�鑸閫氶亾鐨勮獮(y菙)闊宠姱鐗囬兘鏄悓鏅�(sh铆)鏀寔闊虫▊(l猫)IC(MusicIC)鍜岃獮(y菙)闊矷C(SpeechIC)鍔熻兘鐨�.
銆�銆�(a)鈥滆獮(y菙)闊宠姱鐗団�濅粙绱癸細
銆�?銆�?锛夎獮(y菙)闊充俊铏�(h脿o)鐨勯噺鍖�
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