副ふく音おん声せいMeaningsNoun1. second (supplementary) sound channelKanji used副secondary音sound声voicePitch accentふくおんせいComposed of副ふくassistant; associate; vice-; sub-; deputy; substitute; auxiliary; supplementary; additional; collateral; …Noun音おん声せいvoice; speech; phone (as opposed to a phoneme); speech sound; audio; sound (as opposed to the picture); sound recordist; audio engineer (in film, broadcasting, etc.)Noun