| +4 dBu |
| 0 dB SPL (sound pressure level) |
| 1/3-octave |
| 3-dB down point |
| 3D Sound |
| 5.1 Surround Sound |
| 7.1 Surround Sound |
| 7.1.4 Dolby Atmos Surround Sound |
| 94 dB-SPL |
| A/B Test |
| A/D |
| Absorption |
| ABX Testing |
| Accuracy |
| Acoustic Impedance |
| Acoustic Power Output |
| Acoustic Suspension |
| Acoustic Treatments |
| Acoustics |
| Active |
| Active Crossover |
| Active Speaker |
| AES/EBU |
| All-pass filter |
| Alternating Current |
| Ambience |
| Ambient Noise Level |
| Amperes |
| Amplifier |
| Amplitude |
| Analog |
| Anechoic |
| AoE (Audio over Ethernet) |
| Architectural Speakers |
| Asymmetrical |
| Attenuate |
| Audio |
| Audio Frequency |
| Audiophile |
| Audyssey |
| Auro-3D® |
| AVB (Audio/Video Bridging) |
| Axisymmetric |
| Back-EMF (back-electromotive force) |
| Baffle |
| Balanced |
| Banana Plug |
| Band |
| Band-Limiting Filters |
| Band-Pass Filter |
| Bandwidth |
| Basket |
| Bass |
| Bass Array |
| Bass Management |
| Bass Reflex |
| Bass Trap |
| Beam Steering |
| BEM (Boundary Element Modeling) |
| Bessel Crossover |
| Bi-Amping |
| Bi-Pole (Bipolar) |
| Bi-Wiring |
| Biamplification (Same as Bi-Amping) |
| Binding Post |
| Blind Test |
| Bloat |
| Bookshelf Speaker |
| Boundary |
| Boundary Gain |
| Brickwall Filter |
| Bridging |
| Brightness or Bright Sound |
| BTL (Bridge-Tied-Load) |
| BTU (British Thermal Unit) |
| Bus |
| Butterworth Crossover |
| Butterworth Filter |
| Cabinet |
| Cabinet Resonance |
| Cable Management |
| Calibration |
| Cancellation |
| Capacitor (CAP) |
| Cardioid |
| Center Channel |
| Center Frequency |
| Channel |
| Chebyshev Filter |
| Chirp |
| Clipping |
| Coaxial |
| Codec |
| Coherence |
| Coloration |
| Comb Filter |
| Compliance |
| Compression |
| Compression Driver |
| Conductor |
| Cone |
| Congestion |
| Constant Directivity (CD) Horn |
| Constant-Q Equalizer |
| Convolution |
| Corner Frequency |
| Correlation |
| Coupling / Mutual Coupling |
| CPS (Cycles Per Second) |
| Crest Factor |
| Crisp |
| Critical Distance |
| Crossover for Speakers |
| Crossover Frequency |
| Crossover Slope |
| Crosstalk |
| Cumulative Spectral Decay |
| Cutoff Frequency |
| DAC (Digital-to-Analog Converter) |
| Daisy Chain |
| Damping |
| Damping Factor |
| Dante |
| Dark / Darkness |
| dB (decibel) |
| dB/octave |
| DC (Direct Current) |
| DCAC (Digital Cinema Auto Calibration) |
| Dead Room |
| Decay |
| Delay |
| Depth |
| Detail |
| Diaphragm |
| Diffraction |
| Diffuse (Diffuser) / Diffusion |
| Diffuse Sound |
| Diffuser / Diffusor |
| Digital Audio |
| Digital Filter |
| Dipolar / Dipole Speaker |
| Dipole Bass / Dipole Subwoofer |
| Dirac (Dirac Live) |
| Direct Sound |
| Directivity |
| Discrete |
| Dispersion |
| Distortion |
| DIY (Do-It-Yourself) |
| Dolby Atmos |
| Dolby Atmos Speaker |
| Dolby Digital |
| Dolby Pro Logic |
| Double Bass Array |
| Downmix |
| Driver |
| DSP (Digital Signal Processing) |
| DTS (Digital Theater Systems) |
| DTS:X |
| DTS:X Pro |
| Dual Subwoofer |
| Dynamic Driver |
| Dynamic EQ |
| Dynamic Loudspeaker |
| Dynamic Range |
| Dynamics Processing |
| D’Appolito |
| Early Reflections |
| EASE (Enhanced Acoustic Simulator for Engineers) |
| Eddy Current |
| Efficiency |
| Eigentone or Modes |
| Electrostatic Loudspeaker |
| Energy Time Curve (ETC) |
| Equalizer (EQ) |
| Euphonic |
| Exponential Horn |
| Fader |
| Fall Time |
| Far Field |
| Fast Subwoofer |
| FEA (Finite Element Analysis) |
| Ferrofluid |
| FFT (Fast Fourier Transform) |
| Filter |
| FIR (Finite Impulse Response) Filter |
| Flanging |
| Flat |
| Flutter Echo |
| Forward |
| Fs / Fb |
| Single Bass Array |
| –10 dBV |