音おん声せい圧あっ縮しゅくMeaningsNoun1. voice compressionKanji used音sound声voice圧pressure縮shrinkComposed of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圧あっ縮しゅくcompression; condensing; shortening; summarizing; compression (of data)Noun