㈠ vbr鏄浠涔堬紵
VBR錛圴ariable Bit Rate錛夊姩鎬佹瘮鐗圭巼銆備篃灝辨槸闈炲滻瀹氱殑姣旂壒鐜囷紝闊抽戠紪鐮佽蔣浠跺湪緙栫爜鏃舵牴鎹闊抽戞暟鎹鐨勫嶆潅紼嬪害鍗蟲椂紜瀹氫嬌鐢ㄤ粈涔堟瘮鐗圭巼錛岃繖鏄浠ヨ川閲忎負鍓嶆彁鍏奸【鏂囦歡澶у皬鐨勭紪鐮佹柟寮忋
VBR涔熺О涓哄姩鎬佹瘮鐗圭巼緙栫爜錛屼嬌鐢ㄨ繖涓鏂瑰紡鏃訛紝浣犲彲浠ラ夋嫨浠庢渶宸闊寵川/鏈澶у帇緙╂瘮鍒版渶濂介煶璐/鏈浣庡帇緙╂瘮涔嬮棿鐨勭嶇嶈繃娓＄駭鏁幫紝鍦∕P3鏂囦歡緙栫爜涔嬫椂錛岀▼搴忎細灝濊瘯淇濇寔鎵閫夊畾鐨勬暣涓鏂囦歡鐨勫搧璐錛屽皢閫夋嫨閫傚悎闊充箰鏂囦歡涓嶅悓閮ㄥ垎鐨勪笉鍚屾瘮鐗圭巼鏉ョ紪鐮併
涓昏佷紭鐐規槸鍙浠ヨ╂暣棣栨瓕鐨勯煶璐ㄩ兘鑳藉ぇ鑷磋揪鍒版垜浠鐨勫搧璐ㄨ佹眰錛岀己鐐規槸緙栫爜鏃舵棤娉曚及璁″帇緙╁悗鐨勬枃浠跺ぇ灝忋
CBR鍜孷BR鐨勪笉鍚岀偣錛
(1)CBR錛氬滻瀹氫綅鐜囩殑FRAME鐨勫ぇ灝忎篃鏄鍥哄畾鐨勶紝鍙瑕佺煡閬撴枃浠舵婚暱搴,鍜屽撫闀垮嵆鍙鐢辨挱鏀炬瘡甯ч渶26ms璁＄畻寰楀嚭mp3鎾鏀劇殑鎬繪椂闂達紝涔熷彲閫氳繃璁℃暟甯х殑涓鏁版帶鍒跺揩榪涳紝蹇閫鎱㈡斁絳夋搷浣溿
(2)VBR錛歏BR鏄疿ING鍏鍙告帹鍑虹殑綆楁硶錛屾墍浠ュ湪MP3鐨凢RAME閲屼細鏈夆淴ING鈥濊繖涓鍏抽敭瀛(鐜板湪寰堝氭祦琛岀殑灝忚蔣浠朵篃鍙浠ヨ繘琛孷BR鍘嬬緝錛屽畠浠鏄鍚﹂伒瀹堣繖涓綰﹀畾錛岄偅灝變笉寰楄岀煡浜)錛屽畠瀛樻斁鍦∕P3鏂囦歡涓鐨勭涓涓鏈夋晥FRAME閲岋紝瀹冩爣璇嗕簡榪欎釜MP3鏂囦歡鏄疺BR鐨勩
鍚屾椂絎涓涓狥RAME閲屽瓨鏀句簡MP3鏂囦歡鐨凢RAME鐨勬諱釜鏁幫紝榪欏氨寰堝規槗鑾峰緱浜嗘挱鏀炬繪椂闂達紝鍚屾椂榪樻湁100涓瀛楄妭瀛樻斁浜嗘挱鏀炬繪椂闂寸殑100涓鏃墮棿鍒嗘電殑FRAME鐨処NDEX銆