How to say "audio" in Japanese

• オーディオCommon
  nounThe loanword for 'audio', used chiefly of audio equipment and sound systems rather than sound in general. Typical context: shopping for or setting up an audio system.
• 音響おんきょうCommon
  nounCovers 'sound', 'noise' and especially 'acoustics' — the sound qualities of a hall or room. For 'audio' in the equipment sense it is seldom the word you want; use オーディオ instead.
  その瞬間しゅんかん、大だい音響おんきょうとともに爆発ばくはつした。↗

  At that instant it exploded with a great noise.

Choose 「オーディオ」 when 'audio' means audio equipment or a sound system; choose 音響 when the meaning is sound or acoustics, such as the sound of a hall, not equipment.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• オーディオaudio
• 音響おんきょうsound
• 音源おんげんaudio