- telephone 的縮寫
- a speech sound
microphone:麥克風
earphone (塞入式耳機, in-ear speaker)
headphone (頭戴式或耳罩式耳機)
headset (headphone 或 earphone 再加麥克風)
Door Phone 門口機
Inter Phone 室內機
interphone 對講機
cellular phone (cellphone, cell-phone, mobile phone)
saxophone
xylophone
比較
- speaker (loudspeaker) 喇叭
- speaker、headphone、line out 有何不同?
Ear speaker
Line out
AC-coupled headphone output
DC-coupled headphone output
BTL loudspeaker output
headset
BTL ear speaker
single-ended ear speaker