hoho~ 老大糊塗了吧？ ^-^

Half-duplex sound cards are only capable of either recording or playing. Full-duplex sound cards allow simultaneous recording and playback.

Full-duplex不就是雙工聲卡嗎？
simultaneous recording and playback 就是能在聊天室中放音樂和唱歌，即卡拉OK

http://www.newsearching.com/sound_card/sound_card.html

所有跟帖： 

• 沒糊塗 sblive 有96個 simultaneous.. -tty- ♂ (144 bytes) () 08/02/2004 postreply 08:37:34

• 沒有多路聲道，就必須做軟件混音，有則可以做硬件混音 -tty- ♂ (44 bytes) () 08/02/2004 postreply 08:45:51

• 謝謝TTY，請您看進來 -明美娃娃- ♀ (202 bytes) () 08/02/2004 postreply 09:41:06

• OK,是俺誤會老大了 ^-^　８過……　 -Epimetheus- ♂ (484 bytes) () 08/02/2004 postreply 12:19:08