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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

AC-1
AC-1 was Dolby's first digital audio coding scheme. First adopted by systems providers in 1984 when bit rate reduction was in its infancy, AC-1 is a refined form of adaptive delta modulation (ADM), whereby changes in the signal amplitude from moment to moment are transmitted, rather than the absolute values. In addition to coding amplitude changes, a system of dynamic pre- and de-emphasis is used to minimize the audibility of coding noise. It was intended for mass broadcasting applications at a time when the digital signal processing "horsepower" that we are used today just wasn't available. The solution was to use a simple and therefore cheap decoder driven by a fairly complex encoder. The technology is in use in satellite and cable delivery systems. Encoders and decoders are both sold and licensed.

A & R

A-B Stereo

A-Time

A-weighted

A/B

A/B/Y

A440

AAC - Advanced Audio Coding (also MPEG-2 AAC)

AAF

Abalam

Abalone

ABS

Absolute Phase

Absorption

Absorption Coefficient

Alternating Current (AC)

AC-1

AC-2

AC-3

Academy Curve

A cappella

Accelerometer

Accent

Accent

Access Time

Accidental

Accompaniment

Accumulator

Accutronics Reverb

Acetate

Acoustic-electric Guitar

Acoustic Cloud

Acoustic Foam

Acoustic Lens

Acoustics

Acoustic Suspension

Acoustic Treatment

ACPI

Action

Actionflo

Active

Active Monitor

Active Pickup

Active Sensing

Active Speaker

Actuator

Adagio

ADAT

ADAT/FST

ADAT Optical

ADB

A/D Converter (ADC)

Additive Synthesis

Adjusto-Matic

ADPCM

ADR

ADSR

Aeolian Harp

Aerophone

AES

AES/EBU

AES3

AES3id

AES42-2001

AFL

AFM

Aftertouch

AFTRA

 Agathis

AGC

Aggregate Device

Aging Toner

Agitato

Agoya

AGP

AHDSFR

AIFF (Audio Interchange File Format)

AIR

AIT

Alder

Alder

Aleatoric Music (Composition)

Algorithm

Alias

Aliasing

Alkaline Battery

All-Button Mode

All-Notes-Off

Allegro

Alnico

Alteration

Altered Chord

Altered Tuning

Alternate Mix

Alternate Tuning

Alto

AM

Ambience

Ambience Mic

Ambisonics

Amen Break

Amp

Amp

Amperage

Ampere

Amp Head

Amplifier

Amplifier, Instrument

Amplitude

Amplitude Modulation

AMS

Analog

Analog Delay

Analog Sequencer

Analog Synthesizer

Anamorphic

Andante

Anechoic

Anode

Anodize

Anodized

ANSI

ANSI A-Weighting

Antecedent and Consequence

Antenna

Antenna gain

Anti-Imaging Filter

Anti-Aliasing Filter

Anti-node

Aperiodic

Aperture

API

Apoyando

Apple Talk

Application (Program)

Architecture

 Archival Stability

Archive

Archiving

Archtop Guitar

Arco

ARP Avatar

Arpeggiator

Arpeggio

ARP String Ensemble

Arrangement

Articulation

Artifact

Artificial (or Automated) Double Tracking or ADT)

ASCAP

ASCII

Ash

Ashtray Bridge Cover

ASIC (Application Specific Integrated Circuit)

ASIO

Aspect Ratio

Asperity

ASPI

Asynchronous

ATA

ATA-2

ATA 66/100/120

ATAPI

Absolute Time Code

Atonal Music

ATRAC

ATRAC

Attack

Attenuation

Attenuator

Audio

Audiobook

Audio Interface

Audiology

Audio RIP

Audio Suite

AudioUnits

Audiowire

Auditory Cortex

Auditory System

Augmented Interval

Auranomic

Author

Authorization

Authorize

Auto-Glide

Auto Accompaniment

Autolocate/Autolocator

AutoMap

Automata

Automate

Automatic Delay Compensation

Automatic Mixer

Automation

Auto Punch

Aux

Aux Return

Aux Send

AVI

AWG (American Wire Gauge)

AWM

Axe

Axial Room Mode

Azure Noise

     
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