1.compressionofdynamicrange  2.volumecontraction  

音的英語翻譯：

aspirate; news; sound; tone
【醫(yī)】 bruit; note; phon-; phono-; sonus; sound; tone

量的英語翻譯：

capacity; estimate; measure; mete; quantity; quantum
【醫(yī)】 amount; dose; dosis; measure; quanta; quantity; quantum
【經(jīng)】 volume

壓縮的英語翻譯：

compress; boil down; constrict; press; reduce; strangulate; condensation
【計】 compaction; compressing; compression; compresspor; pack
【化】 compression
【醫(yī)】 compress; compression; squeeze