Surround Sound
Surround Sound is audio played through multiple speakers around the listener to create direction, movement, space, and a more realistic entertainment experience.
Surround Sound & Immersive Audio
Davis Surround Sound & Home Theater terms and planning language for Chicago-area residential and commercial AV projects.
Definition Category
Surround Sound & Immersive Audio
Dolby Atmos
Dolby Atmos is an immersive audio technology that can place sounds around and above the listener using object-based sound information and height-capable playback systems.
DTS:X
DTS:X is an object-based immersive audio format designed to create flexible three-dimensional sound in theaters and home entertainment systems.
Immersive Audio
Immersive Audio is audio reproduction that surrounds the listener horizontally and vertically, often using height speakers or object-based audio formats.
5.1 Surround
5.1 Surround is a speaker layout with five main channels and one low-frequency effects channel for a subwoofer.
7.1 Surround
7.1 Surround is a speaker layout with seven main channels and one low-frequency effects channel for a subwoofer.
Height Speakers
Height Speakers is speakers placed in or near the ceiling, or aimed upward, to reproduce overhead sound effects in immersive formats.
Center Channel
Center Channel is the front speaker responsible for most dialogue and on-screen sound in a theater or surround system.
LFE Channel
LFE Channel is the low-frequency effects channel in surround formats, commonly routed to one or more subwoofers.
Subwoofer Calibration
Subwoofer Calibration is the measurement and adjustment of subwoofer level, phase, placement, timing, and crossover settings.
Bass Management
Bass Management is the routing of low-frequency sound to subwoofers and capable speakers so bass is powerful, even, and controlled.
Room Correction
Room Correction is measurement-based audio processing that adjusts speaker output to reduce room-related tonal or timing problems.
Speaker Delay
Speaker Delay is timing adjustment that aligns sound from different speakers so it reaches the listener at the right moment.
Sweet Spot
Sweet Spot is the listening position where speaker placement, balance, imaging, and surround effects are optimized.
eARC
eARC is Enhanced Audio Return Channel, an HDMI feature that sends high-quality TV audio to an audio system through a single HDMI connection.