ããé¢çååº:10Hz-60KHzæ¯ææºå¨çé¢çååºèå´å¨10Hz-60KHzã
ããé¢çååºèå´æ¯æé³åç³»ç»è½å¤åæ¾çæä½ææåæ¾é¢çä¸æé«ææåæ¾é¢çä¹é´çèå´ãè¾å
¥ä¿¡å·çé¢çå¨è¿ä¸ªèå´å
ï¼åç³»ç»å°±ä¼æ足å¤æ·±çä½é¢ä¸æ½åé常åºè²çé«é¢è¡¨ç°ï¼è½å¨æ¾å¤§æ¶å
å表ç°è¾å
¥ä¿¡å·çä¿¡æ¯èä¸å¤±çã
ããé¢çååºæ¯æå°ä¸ä¸ªä»¥æçµåè¾åºçé³é¢
ä¿¡å·ä¸ç³»ç»ç¸è¿æ¥æ¶ï¼é³ç®±äº§çç
声åéé¢ççååèåçå¢å¤§æè¡°åãç¸ä½éé¢çèåçååçç°è±¡ï¼è¿ç§å£°ååç¸ä½ä¸é¢ççç¸å
³èçååå
³ç³»ç§°ä¸ºé¢çååºãä¹æ¯æå¨
æ¯å¹
å
许çèå´å
é³åç³»ç»è½å¤éæ¾çé¢çèå´ï¼ä»¥åå¨æ¤èå´å
ä¿¡å·çååé称为é¢çååºï¼ä¹å«é¢çç¹æ§ãå¨é¢å®çé¢çèå´å
ï¼è¾åºçµåå¹
度çæ大å¼ä¸æå°å¼ä¹æ¯ï¼ä»¥åè´æ°ï¼dBï¼æ¥è¡¨ç¤ºå
¶ä¸åå度ãé¢çååºå¨çµè½è´¨éæ¦å¿µä¸é常æ¯æç³»ç»æ计éä¼ æå¨çé»æéé¢ççååã