Sherwood V-903 User Manual download pdf (Page 42)

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Dolby Digital

Dolby Digital provides multichannel surround sound in

cinemas from 35 mm film and in the home from laser discs,

DVDs, and digital broadcast television, cable, and satellite

systems. It enables the transmission and storage of up to

five full-range audio channels, plus a low-frequency effects

channel(LFE), thus 5.1 channels, in less space than is

required for just one linear PCM-coded channel on a

compact disc.

Dolby Pro Logic

Dolby Pro Logic decodes program material encoded in

Dolby Surround, and is built into virtually every home

theater audio system. Dolby Pro Logic reconstructs the

original four channels - left, center, right, and surround -

that were encoded onto the program material’s stereo

soundtracks.

Manufactured under license from Dolby Laboratories.

“Dolby”, “Pro Logic”, and the double-D symbol are

trademarks of Dolby Laboratories.

DTS (Digital Theater Systems)

DTS is a newly-developed surround system which can

handle more amount of data than Dolby Digital, providing

better audio quality. Though the number of audio channels

is 5.1 which is same as Dolby Digital, discs bearing the

“”provides fat sound and better signal-to-noise ratio,

thanks to the lower audio compression ratio format. It

also provides wide dynamic range and better separation,

resulting in magnificent sound.

“DTS” and “DTS 2.0+Digital Out” are trademarks of Digital

Theater Systems, Inc.

Progressive scan

Progressive scanning displays all the horizontal lines of a

picture at one time, as a single frame.

Composite video

A single video signal commonly used in most consumer

video products that contains all luminance, color, and

synchronization information.

S-video

A video signal which improves picture quality over the

standard composite video signal.

Component video

Video signals with three channels of separate information

that makes up the picture. There are some types of

component video, such as Y/CB(Pb)/C

R(Pr) and R/G/B.

Bitstream

The digital signal form of multichannel audio data (e.g., 5.1

channel) before it is decoded into its various channels.

Linear PCM

PCM stands for Pulse Code Modulation. Linear PCM is the

usual digital method without compression, used for audio

playback of audio CDs, DVD Videos, etc.

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Sherwood V-903 User Manual Page 42

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