ＡＤＰＣＭalso: エーディーピーシーエムMeanings1nounadaptive differential pulse-code modulation; ADPCMcomputingTechnical computing term for a variant of DPCM that adapts the quantization step size.ＡＤＰＣＭは音おん声せい圧あっ縮しゅくに使つかわれる技ぎ術じゅつです。ADPCM is a technique used for audio compression.
