audio singing audio system

CD-audio player (compact disk audio player)

2MPEG - audio layer 3

3 D Audio

3D audio

3D audio rendering

3D audio simulation

ability of audio- visual education

Abnormal audio recognition

Acoustic immitance audio-metry

actuality audio

adjacent audio carrier

advanced audio code

Advanced Audio Coding

advanced audio coding AA

advanced audio-visual teaching

Advanced coding of audio and Video Standard

AFA (audio-frequency amplifier)

airbome audio frequency coder