语音
speech sounds; pronunciation; colloquial (rather than literary) pronunciation of a Chinese character; phonetic; audio; voice; (Internet) to voice chat; voice message
语音信箱
voice mailbox; voicemail
语音指令
speech command (for computer speech recognition)
语音通讯通道
voice (communications) channel
余音绕梁
reverberates around the rafters (idiom); fig. sonorous and resounding (esp. of singing voice)
短时语音记忆
short-term phonological memory