»ìÏ죨reverberation£©ÊÇÏà¶Ô¹Ø±Õ¿Õ¼äÈç·¿¼äÖÐ£¬±¬·¢µÄÒ»Öֵ䷶ÉùѧÕ÷Ïó¡£Éù²¨ÔÚ·¿¼äÖÐÈö²¥Ê±£¬Óöµ½Ç½Ãæ¡¢µØÃæ¡¢Ì컨°å»òÆäËûÎïÌåÍâòʱ£¬»á±»×è°­²¢·´Éä»ØÀ´£¬·´ÉäÉù²¨ÔÚÈö²¥Àú³ÌÖÐÔÙ´ÎÓöµ½ÕÏ°­Îïʱ£¬»áÐγɶþ´Î·´Éä£¬ÔÆÔÆÖظ´¡£ÔÚÈö²¥ÒÔ¼°·´ÉäµÄÀú³ÌÖÐ£¬Éù²¨Ò»Ö±±»±ÚÃæÎüÊÕ»áÖð²½Ë¥¼õ¡£Éù²¨ÔÚ¸÷¸öÆ«ÏòÍù·µ·´Éä£¬¶øÓÖÖð½¥Ë¥¼õµÄÕ÷Ïó³ÆΪ»ìÏì¡£
  ¹ØÓÚ·¿¼äÖеÄÈËÀ´Ëµ£¬´ÓÉùÔ´´¦Ö±½ÓµÖ´ïÈ˶úµÄÉù²¨½ÐÖ±´ïÉù£¬¶ø¾­ÓɱÚÃæÒ»´Î»ò¶à´Î·´Éäµ½È˶úµÄÉù²¨£¬ÌýÆðÀ´ÏñÊÇÖ±´ïÉùµÄÑÓÐø£¬½Ð×ö»ìÏìÉù¡£

  ÏÂÃæÁ½¶ÎÒô¹ì£¬×ó±ßµÄÊÇÔÚÏûÉùÊÒÖмÖƵÄÖ±´ïÉùÐźÅ£¬Ã»ÓлìÏ죻ÓÒ±ßÄ£Äâ·¿¼äÇéÐδ¦Öóͷ£ºó»ñµÃµÄÓлìÏìµÄÐźÅ£»»ìÏìÉùÌýÆðÀ´ÏñÊÇÎÞ»ìÏìÉùµÄÑÓÐøºÍÍÏβ¡£

   

  »ìÏìʱ¼äÊÇ»³±§·¿¼äÄÚ»ìÏìˮƽµÄ»ù±¾Ö¸±êÖ®Ò»¡£»ìÏìʱ¼äÓÃÀ´ÐÎò·¿¼äÄÚÉùÒôË¥¼õ¿ìÂýµÄˮƽ¡£ËüµÄ½ç˵Ϊ£ºÉùÔ´×èÖ¹ºóÉùÒôÔÚ·¿¼äÄڽϳõʼÉùѹ¼¶Ë¥¼õ60dBËù¾­ÓɵÄʱ¼ä£¬Ò»Ñùƽ³£ÓÃT60ÌåÏÖ¡£ÅÌËã»ìÏìʱ¼äÓÐÒ»¸öÖøÃûµÄ¹«Ê½£¬½Ð¡°Èû±ö¹«Ê½¡±£¬½ç˵ÈçÏ£º

  ÆäÖÐ£¬VΪ·¿¼äÌå»ý£¬SΪ·¿¼äµÄÍâò»ý£¬ÎªÆ½¾ùÎüÉùϵÊý¡£Ò»Ñùƽ³£µÄ£¬·¿¼äÔ½´ó£¬ÊÒÄÚÔ½¿Õ¿õ£¬»ìÏìʱ¼ä»áÔ½³¤¡£Òò´Ë£¬ÏñÒøÐÐÓªÒµ´óÌü¡¢½ð¿â£¬ÕâÖÖ¿Õ¼ä½Ï´ó¡¢±ÚÃæƽ»¬µÄ¿Õ¼äÀï£¬»ìÏìʱ¼äÏÔ׎ϳ¤¡£
  »ìÏìµÄ×÷Óãº
  ºÏÊʵĻìÏìʱ¼ä£¬¹ØÓÚ·¿¼äµÄÌýÒôЧ¹ûÓÐÖ÷ÒªµÄ×÷ÓÃ£¬ÄÜʹÈËÉùÌýÆðÀ´±¥ÂúÁ¢Ìå£¬Óпռä¸Ð¡£»ìÏìʱ¼äÌ«¶Ì£¬ÉùÒôÌýÆðÀ´»á¸Éɬ¡¢¿Õ¿õ¡¢²»±¥Âú¡£¹ý³¤µÄ»ìÏìʱ¼ä»áʹÈ˸ÐÓ¦ÉùÒôÎÛ×Dz»Çå¡£Ò»Ñùƽ³£·¿¼äµÄ»ìÏìʱ¼äÔÚ1sÒÔÄÚ½ÏΪºÏÊÊ¡£
  ¹ØÓÚÒôƵ¼à¿ØÀ´Ëµ£¬·¿¼ä»ìÏìÍùÍùÊÇÇåÎúÊ°ÒôµÄÒ»¸öÖ÷ÒªÌôÕ½¡£µ±È˾àÀëÊ°Òô×°±¸½ÏԶʱ£¬Ö±´ïÉùºÍ»ìÏìÉùµÄ±ÈÖµ½ÏС£¬×ÝÈ»ÉùÒô½Ï´ó£¬ÔÚÒ»Ñùƽ³£µÄ»ìÏìÇéÐÎÖÐ£¬ÈÔÈ»½ÏÄÑÌýÇåÎú¡£ÏÖʵµÄÒôƵ¼à¿Ø³¡ºÏÖÐ£¬ÈçÒøÐÐÓªÒµ´óÌü¡¢ÖÐÐ;ۻáÊÒµÈ£¬ÍùÍùδ×öÉùѧ´¦Öóͷ££¬»ìÏìʱ¼ä½Ï³¤£¬ÒªÔÚÕâÑùµÄ³¡ºÏÀï£¬Ô¶³¡ÇåÎúµÄÊ°È¡ÉùÒô£¬ÈÔÈ»±£´æ½ÏÁ¿´óµÄÄÑÌâ¡£
  »ìÏì³ýÓ°ÏìÊ°ÒôµÄÒôÖÊÍâ£¬Ò²ÏÔ×ŵÄÓ°Ïì×Ô¶¯ÓïÒôʶ±ð£¨ASR£©µÄʶ±ðÂÊ¡£ÈçÉÏÃæµÄÓïÆ×ͼËùʾ£¬Ã»ÓлìÏìµÄÓïÒô£¬ÆäÉùÎÆÇåÎú¿É±æ£¬¶øÓлìÏìµÄÓïÒô£¬ÉùÎÆÄ£ºý²»Çå¡£Òò´Ë£¬ÔõÑùÏû³ý¼ÒôÖеĻìÏì£¬Ò²ÊÇÌá¸ßÓïÒôʶ±ðÂÊÐèÒª½â¾öµÄÎÊÌâ¡£
  È¥»ìÏìÊÖÒÕ

  »ìÏìÓ°ÏìÊ°ÒôÒôÖʺÍÓïÒôʶ±ðÂÊ£¬Òò´ËÐèÒª´ÓÊ°ÒôÐźÅÖÐÈ¥³ý»ìÏìÉù£¬ÕâÖÖÊÖÒÕ¾ÍÊÇÈ¥»ìÏìÊÖÒÕ¡£Ò»Ñùƽ³£È¥»ìÏìÖ÷ÒªÓÐÈýÖÖÊÖÒÕ£ºµÚÒ»ÖÖÒªÁì£¬Âó¿Ë·çÊ°È¡µÄÐźſÉÒÔ¿´×÷ÉùÔ´ÐźÅÓë·¿¼ä¹¥»÷ÏìÓ¦µÄ¾í»ýÌìÉúµÄÐźÅ£¬Í¨¹ýÕâÖÖÊýѧģ×ÓÀ´Ïû³ý»ìÏì£¬ÔÚÔ¤¼Æ·¿¼äÉùѧģ×Ó²ÎÊýÖ®ºó£¬ÐγɶÔԭʼÐźŵÄÔ¤¼Æ¡£µÚ¶þÖÖÒªÁì£¬Í¨¹ý½«»ìÏìÊÓΪһÖÖÔëÉù£¬Í¨¹ýÊÊÓÃÓÚ»ìÏìµÄ½µÔëÀú³ÌÀ´ÒÖÖÆ»ìÏì£¬ÊÂʵÉÏ£¬Ò»Ñùƽ³£µÄÓïÒô½µÔëËã·¨¶¼¾ßÓÐÒ»¶¨µÄÈ¥»ìÏìЧ¹û£»µÚÈýÖÖÒªÁì£¬½ÓÄÉÉî¶ÈѧϰµÄÒªÁìÈ¥»ìÏì£¬¾­ÓÉÉñ¾­ÍøÂçºó£¬»ñµÃƵÓòµÄÂ˲¨ÏµÊý¡£»ìÏìÐźž­ÓÉÂ˲¨ºó£¬Êä³öÈ¥»ìÏìÐźÅ¡£ÕâÑùµÄÍøÂç¾­ÓÉ´ó×ÚÊý¾ÝѵÁ·ºó£¬ÓÃÓÚÈ¥»ìÏì´¦Öóͷ££¬¾ÍÄÜ»ñµÃ½ÏÇåÎúµÄÐźÅ¡£

  ÉÏͼΪ»ìÏ챬·¢ÓëÈ¥»ìÏìµÄÀú³ÌÄ£×Ó£¬ÎªÓïÒôÐźÅ£¬¾­ÓÉ·¿¼äÏìÓ¦¾í»ýºó£¬ÐγɻìÏìÐźÅ£¬¼ÓÉÏÒýÈëµÄ·¿¼äÔëÉù»òÆäËûÔëÉù£¬ÐγÉÂó¿Ë·ç´¦Ê°È¡µÄÐźÅ¡£Ðźž­ÓÉÂ˲¨Æ÷ºó£¬»ñµÃÈ¥»ìÏìµÄÐźÅ¡£¡®ÀíÏëÇéÐÎÏÂ£¬ºÍ¹ØϵÈçÏ£º

  ¶àͨµÀÈ¥»ìÏìÊÖÒÕ£¬½ÓÄÉÂó¿Ë·çÕóÁУ¨¶à¸öÂó¿Ë·ç£©£¬¿ÉÒÔ½ÏΪ׼ȷµÄÕ¹Íû·¿¼äµÄ³å¼¤ÏìÓ¦£¬´Ó¶øÔ¤¼ÆÄæÂ˲¨Æ÷£¬¾­ÄæÂ˲¨ºóÐγÉÈ¥»ìÏìµÄÐźÅ£»

  ÏÂͼ×ó±ßΪȥ»ìÏìÇ°µÄÐźÅ£¬ÓÒͼΪȥ»ìÏìºóµÄÐźÅ

        

    

  ÒýÓãº
  ¡¶Éùѧ»ù´¡¡·£¬¶Å¹¦»ÀµÈ£¬ÄϾ©´óѧ³öÊéÉç
  https://en.wikipedia.org/wiki/Reverberation