Glossary: Acoustic Treatment

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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

Acoustic Treatment: Acoustically treating a room is necessary in audio production due to the fact that very few "spaces" have the physical qualities that make for accurate monitoring or desired recording. There are many things that can be done to a space before and during construction to optimize its acoustic behavior. These include the shape of the space, its isolation, and the surface materials. Once a room is already constructed, Acoustic Treatment mostly tends to consist of treating the surfaces. There are two primary elements to consider: absorption and diffusion. Acoustic foam is well suited to alleviate slap and flutter echo, the two most common problems in rooms not specifically designed for music recording and performance. In fact, foam can turn even the most cavernous warehouse or gymnasium into a suitable acoustic environment. Diffusion keeps sound waves from grouping, so there are no hot spots or nulls in a room. In conjunction with absorption, diffusion can effectively turn virtually any space into one that is appropriate and useful for the purpose of recording or monitoring sound with a high degree of accuracy.

A & R	A-B Stereo	A-Time
A-weighted	A440	AAC - Advanced Audio Coding (also MPEG-2 AAC)
AAF	Abalone	ABS
Absolute Phase	Absorption	Absorption Coefficient
Alternating Current (AC)	AC-1	AC-2
AC-3	Academy Curve	A cappella
Accent	Access Time	Accidental
Accompaniment	Accumulator	Acetate
Acoustic Lens	Acoustic Suspension	Acoustic Treatment
ACPI	Action	Actionflo
Active	Active Sensing	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	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
Alternate Tuning	Alto	AM
Ambience	Ambisonics	Amen Break
Amperage	Ampere	Amp Head
Amplifier	Amplifier, Instrument	Amplitude
Amplitude Modulation	AMS	Analog
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	API
Apoyando	Apple Talk	Application (Program)
Architecture	Archival Stability	Archtop Guitar
Arco	ARP Avatar	Arpeggiator
Arpeggio	Arrangement	Articulation
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
Audio	Audiobook	Audiology
Audio RIP	Audio Suite	AudioUnits
Audiowire	Auditory Cortex	Augmented Interval
Auranomic	Author	Authorize
Auto Accompaniment	Autolocate/Autolocator	Automata
Automatic Mixer	Automation	Auto Punch
Aux Send	AVI	AWG (American Wire Gauge)
AWM	Axe	Axial Room Mode