Glossary

AAC

Advanced Audio Coding, an audio compression system incorporated into the MPEG standard and used for encoding audio broadcasts in some territories.

Absolute phase

A control that changes the phase of the signals to all the speakers. Can alter the ambience and bass impact for some material.

AC-3

An alternative name for the Dolby Digital format.

Ambisonics

A music encoding and decoding system designed to re-create the original sound field using an array of loudspeakers.

Compress

A DSP parameter providing dynamic range control for Dolby Digital sources.

Dolby Digital

A digital surround-sound format which provides five full-frequency-range channels (left, centre, right, left surround, and right surround) and an additional Low Frequency Effects (LFE) channel which is band-limited to 120Hz.

Dolby Surround

The encoding system used for the majority of movies on video and many TV broadcasts. Dolby Surround encoded material can be replayed with a surround decoder connected to an array of loudspeakers, which normally include at least left, centre, right, and rear surround.

DSP preset

A sound processing option. You can create user-defined DSP presets based on the built-in presets, and with specific DSP parameter values.

DTS

Digital Theatre Systems originally produced digital audio tracks for motion pictures.

A version of this format adapted for consumer video and audio products is referred to as DTS. Like Dolby Digital it provides five full-frequency-range channels (left, centre, right, left surround, and right surround) and an additional Low Frequency Effects (LFE) channel.

DVD

Digital Versatile Disc, a CD-sized disc with nearly 30 times the storage capacity of CD. It is capable of storing digital video, high- quality multichannel audio, or computer data.

DVD-Audio

A DVD disc containing audio tracks in one or more of a number of alternative formats to provide higher quality or higher capacity than CD, and multichannel audio, together with the option of still images or video.

A DVD-Audio disc may also include lower quality versions of the material in DVD- Video format for compatibility with players that do not support DVD-Audio.

DVD-Video

A DVD containing video titles together with one or more soundtracks, menus, and other entertainment features.

Home

The standard set of soft keys for a G Series product.

IR Controller

The product in a Meridian system that has been configured to receive infra-red signals, and where appropriate send them to other products in the system.

Layout

Refers to a particular arrangement of speakers and subwoofers. You can select different layouts for the Logic, Music, and 5.1 Movie DSP presets.

4 3

G l o s s a r y