»ìÏ죨reverberation£©ÊÇÏà¶Ô¹Ø±Õ¿Õ¼äÈç·¿¼äÖÐ£¬±¬·¢µÄÒ»Öֵ䷶ÉùѧÏÖÏó¡£Éù²¨ÔÚ·¿¼äÖÐÁ÷´«Ê±£¬Óöµ½Ç½Ãæ¡¢µØÃæ¡¢Ì컨°å»òÆäËûÎïÌåÍâòʱ£¬»á±»×è°­²¢·´Éä»ØÀ´£¬·´ÉäÉù²¨ÔÚÁ÷´«Àú³ÌÖÐÔÙ´ÎÓöµ½ÕÏ°­Îïʱ£¬»áÐγɶþ´Î·´Éä£¬Èç´ËÖظ´¡£ÔÚÁ÷´«ÒÔ¼°·´ÉäµÄÀú³ÌÖÐ£¬Éù²¨²»¾ø±»±ÚÃæÎüÊÕ»áÂýÂýË¥¼õ¡£Éù²¨ÔÚ¸÷¸öÆ«ÏòÀ´»Ø·´Éä£¬¶øÓÖÖð½¥Ë¥¼õµÄÏÖÏó³ÆΪ»ìÏì¡£
  ¹ØÓÚ·¿¼äÖеÄÈËÀ´Ëµ£¬´ÓÉùÔ´´¦Ö±½ÓµÖ´ïÈ˶úµÄÉù²¨½ÐÖ±´ïÉù£¬¶ø¾­¹ý±ÚÃæÒ»´Î»ò¶à´Î·´Éäµ½È˶úµÄÉù²¨£¬ÌýÆðÀ´ÏñÊÇÖ±´ïÉùµÄÑÓÐø£¬½Ð×ö»ìÏìÉù¡£

  ÏÂÃæÁ½¶ÎÒô¹ì£¬×ó±ßµÄÊÇÔÚÏûÉùÊÒÖмÖƵÄÖ±´ïÉùÐźÅ£¬Ã»ÓлìÏì

£»ÓÒ±ßÄ£Äâ·¿¼äÇé¿ö´¦Àíºó»ñµÃµÄÓлìÏìµÄÐźÅ

£»»ìÏìÉùÌýÆðÀ´ÏñÊÇÎÞ»ìÏìÉùµÄÑÓÐøºÍÍÏβ¡£

   

  »ìÏìʱ¼äÊÇ»³±§·¿¼äÄÚ»ìÏìˮƽµÄ»ù±¾Ö¸±êÖ®Ò»¡

£»ìÏìʱ¼äÓÃÀ´ÃèÊö·¿¼äÄÚÉùÒôË¥¼õ¿ìÂýµÄˮƽ¡£ËüµÄ½ç˵Ϊ£ºÉùÔ´Í£Ö¹ºóÉùÒôÔÚ·¿¼äÄڽϳõʼÉùѹ¼¶Ë¥¼õ60dBËù¾­¹ýµÄʱ¼ä£¬Ò»°ãÓÃT60ÌåÏÖ¡£ÅÌËã»ìÏìʱ¼äÓÐÒ»¸öÓÐÃûµÄ¹«Ê½£¬½Ð¡°Èû±ö¹«Ê½¡±£¬½ç˵ÈçÏ£º

  ÆäÖÐ£¬VΪ·¿¼äÌå»ý£¬SΪ·¿¼äµÄÍâò»ý£¬ÎªÆ½¾ùÎüÉùϵÊý¡£Ò»°ãµÄ£¬·¿¼äÔ½´ó£¬ÊÒÄÚÔ½¿Õ¿õ£¬»ìÏìʱ¼ä»áÔ½³¤¡£Òò´Ë£¬ÏñÒøÐÐÓªÒµ´óÌü¡¢½ð¿â£¬ÕâÖÖ¿Õ¼ä½Ï´ó¡¢±ÚÃæƽ»¬µÄ¿Õ¼äÀï£¬»ìÏìʱ¼äÃ÷ÏԽϳ¤¡£
  »ìÏìµÄ×÷Óãº
  ºÏÊʵĻìÏìʱ¼ä£¬¹ØÓÚ·¿¼äµÄÌýÒôЧ¹ûÓÐÖØÒªµÄ×÷ÓÃ£¬ÄÜʹÈËÉùÌýÆðÀ´±¥ÂúÁ¢Ìå£¬Óпռä¸Ð¡

£»ìÏìʱ¼äÌ«¶Ì£¬ÉùÒôÌýÆðÀ´»á¸Éɬ¡¢¿Õ¿õ¡¢²»±¥Âú¡£¹ý³¤µÄ»ìÏìʱ¼ä»áʹÈ˸ÐÓ¦ÉùÒôÎÛ×Dz»Çå¡£Ò»°ã·¿¼äµÄ»ìÏìʱ¼äÔÚ1sÒÔÄÚ½ÏΪºÏÊÊ¡£
  ¹ØÓÚÒôƵ¼à¿ØÀ´Ëµ£¬·¿¼ä»ìÏìÍùÍùÊÇÇåÎúÊ°ÒôµÄÒ»¸öÖØÒªÌôÕ½¡£µ±È˾àÀëÊ°ÒôÉ豸½ÏԶʱ£¬Ö±´ïÉùºÍ»ìÏìÉùµÄ±ÈÖµ½ÏС£¬×ÝÈ»ÉùÒô½Ï´ó£¬ÔÚÒ»°ãµÄ»ìÏìÇé¿öÖÐ£¬ÈÔÈ»½ÏÄÑÌýÇå³þ¡£Êµ¼ÊµÄÒôƵ¼à¿Ø³¡ºÏÖÐ£¬ÈçÒøÐÐÓªÒµ´óÌü¡¢ÖÐÐͼ¯»áÊÒµÈ£¬ÍùÍùδ×öÉùѧ´¦Àí£¬»ìÏìʱ¼ä½Ï³¤£¬ÒªÔÚÕâÑùµÄ³¡ºÏÀï£¬Ô¶³¡ÇåÎúµÄÊ°È¡ÉùÒô£¬ÈÔÈ»±£´æ±È½Ï´óµÄÀ§ÄÑ¡£
  »ìÏì³ýÓ°ÏìÊ°ÒôµÄÒôÖÊÍâ£¬Ò²Ã÷ÏÔµÄÓ°Ïì×Ô¶¯ÓïÒôʶ±ð£¨ASR£©µÄʶ±ðÂÊ¡£ÈçÉÏÃæµÄÓïÆ×ͼËùʾ£¬Ã»ÓлìÏìµÄÓïÒô£¬ÆäÉùÎÆÇåÎú¿É±æ£¬¶øÓлìÏìµÄÓïÒô£¬ÉùÎÆÄ£ºý²»Çå¡£Òò´Ë£¬ÈçºÎÏû³ý¼ÒôÖеĻìÏì£¬Ò²ÊÇÌá¸ßÓïÒôʶ±ðÂÊÐèÒª½â¾öµÄÎÊÌâ¡£
  È¥»ìÏì¼¼Êõ

  »ìÏìÓ°ÏìÊ°ÒôÒôÖʺÍÓïÒôʶ±ðÂÊ£¬Òò´ËÐèÒª´ÓÊ°ÒôÐźÅÖÐÈ¥³ý»ìÏìÉù£¬ÕâÖÖ¼¼Êõ¾ÍÊÇÈ¥»ìÏì¼¼Êõ¡£Ò»°ãÈ¥»ìÏìÖ÷ÒªÓÐÈýÖÖ¼¼Êõ£ºµÚÒ»ÖÖÒªÁì£¬Âó¿Ë·çÊ°È¡µÄÐźſÉÒÔ¿´×÷ÉùÔ´ÐźÅÓë·¿¼ä¹¥»÷ÏìÓ¦µÄ¾í»ýÉú³ÉµÄÐźÅ£¬Í¨¹ýÕâÖÖÊýѧģÐÍÀ´Ïû³ý»ìÏì£¬ÔÚÔ¤¼Æ·¿¼äÉùѧģÐͲÎÊýÖ®ºó£¬ÐγɶÔԭʼÐźŵÄÔ¤¼Æ¡£µÚ¶þÖÖÒªÁì£¬Í¨¹ý½«»ìÏìÊÓΪһÖÖÔëÉù£¬Í¨¹ýÊÊÓÃÓÚ»ìÏìµÄ½µÔëÀú³ÌÀ´ÒÖÖÆ»ìÏì£¬ÊÂʵÉÏ£¬Ò»°ãµÄÓïÒô½µÔëËã·¨¶¼¾ßÓÐÒ»¶¨µÄÈ¥»ìÏìЧ¹û

£»µÚÈýÖÖÒªÁì£¬½ÓÄÉÉî¶ÈѧϰµÄÒªÁìÈ¥»ìÏì£¬¾­¹ýÉñ¾­ÍøÂçºó£¬»ñµÃƵÓòµÄÂ˲¨ÏµÊý¡

£»ìÏìÐźž­¹ýÂ˲¨ºó£¬Êä³öÈ¥»ìÏìÐźÅ¡£ÕâÑùµÄÍøÂç¾­¹ý´ó×ÚÊý¾ÝѵÁ·ºó£¬ÓÃÓÚÈ¥»ìÏì´¦Àí£¬¾ÍÄÜ»ñµÃ½ÏÇåÎúµÄÐźÅ¡£

  ÉÏͼΪ»ìÏ챬·¢ÓëÈ¥»ìÏìµÄÀú³ÌÄ£ÐÍ£¬ÎªÓïÒôÐźÅ£¬¾­¹ý·¿¼äÏìÓ¦¾í»ýºó£¬ÐγɻìÏìÐźÅ£¬¼ÓÉÏÒýÈëµÄ·¿¼äÔëÉù»òÆäËûÔëÉù£¬ÐγÉÂó¿Ë·ç´¦Ê°È¡µÄÐźÅ¡£Ðźž­¹ýÂ˲¨Æ÷ºó£¬»ñµÃÈ¥»ìÏìµÄÐźÅ¡£¡®ÀíÏëÇé¿öÏÂ£¬ºÍ¹ØϵÈçÏ£º

  ¶àͨµÀÈ¥»ìÏì¼¼Êõ£¬½ÓÄÉÂó¿Ë·çÕóÁУ¨¶à¸öÂó¿Ë·ç£©£¬¿ÉÒÔ½ÏΪ׼ȷµÄÔ¤²â·¿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