MIDIAAC automatic ampltiude control AB ABAbeyancd A-B repeat A-BABS absolute ABS american bureau of standard ABSS auto blank secrion scanning Abstime A. DEF audio defeat ADJ adjective ADJ Adjust ADJ acoustic delay line Admission ADP acoustic data processor ADP(T) adapter ADRES automatic dynamic range expansion systemADRM analog to digital remasterADS audio distribution system A. DUB audio dubbing ADV advance ADV adversum ADV advancer Adventure AE audio erasing AE auxiliary equipment Aerial AES audio engineering society -AF audio fidelity AF audio frequency AFC active field control AFC automatic frequency control Affricate AFL aside fade listen A-fader AFM advance frequency modulation AFS acoustic feedback speaker AFT automatic fine tuning AFTAAS advanced fast time acoustic analysis systemAfter Afterglow Against -AGC automatic gain control AHD audio high density AI advanced integrated AI amplifier input AI artificial intelligence AI azimuth indicator A-IN A-INSEL audio input selection Alarm ALC automatic level control ALC automatic load controlAlford loop Algorithm Aliasing Aliasing distortion Align alignment Al-Si-Fe alloy head Allegretto Allegro Allocation All rating ALM audio level meter ALT alternating ALT alternator ALT altertue ALT-CH alternate channel Alter AM amperemeter AM amplitude modulation AM auxiliary memory Ambience ABTD automatic bulk tape degausserAmbient Ambiophonic system Ambiophony AMLS automatic music locate systemAMP ampere AMP amplifier AMPL amplification AMP amplitude Amorphous head Abort A-B TEST ABAbsorber Absorption ABX acoustic bass extension AC accumulator AC adjustment caliration -AC alternating current AC audio coding AC audio center AC azimuth comprator AC-3 AC-3 RF ACC Acceleration Accel Accent Accentuator Access Accessory Acryl Accompaniment Accord Accordion ACD automatic call distributor ACE audio control erasing A-Channel AAcoumeter Acoustical Acoustic coloring Acoustic image Across Across frequency ACST access time Active Active crossover Active loudsperker Armstrong MOD ARP azimuth reference pulse Arpeggio Articulation Artificial -AAD active acoustic devide ABC auto base and chord Architectural acoustics Arm motor Arpeggio single ARL aerial ASC automatic sensitivity control ASGN Assign ASP audio signal processing ASS assembly ASSEM assemble -ASSEM Assembly Assign Assist ASSY accessory AST active servo techonology A Tempo -Astigmatism methord B band B Bit B Button Babble Back Back clamping Back drop Background noise Backing copy Backoff Back tracking Back up Backward Baffle box BAL balance Balanced Balancing Balun =Banana jack Banana bin Banana pin Banana plug Band Band pass Bandwidth Band Bar -BAR barye Bargraph Barrier Base Bass Bass tube Bassy BATT battery Baud Bazooka BB base band BBD Bucket brigade device B BAT Battery