Try this technique

來源: JustBrowsing 於 2008-02-26 19:28:41 [] [舊帖] [給我悄悄話] 閱讀數 : (204 bytes)

Record your neighbour's snore and design a noise cancellation device using Fast Fourier Transform technique. Blast the cancellation signal towards your next door friend and enjoy your peaceful quiteness.

請您先登陸，再發跟帖！