Bedienungsanleitung Yamaha HTR-5440RDS (Seite 53 von 57) (Englisch)

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English

BASIC OPERATION

ADVANCED OPERA

TION

APPENDIX

INTRODUCTION

PREPARATION

GLOSSARY

■ Dolby Surround

Dolby Surround uses a four analog channel recording

system to reproduce realistic and dynamic sound effects:

two left and right main channels (stereo), a center channel

for dialog (monaural), and a rear channel for special sound

effects (monaural). The rear channel reproduces sound

within a narrow frequency range.

Dolby Surround is widely used with nearly all video tapes

and laser discs, and in many TV and cable broadcasts as

well. The Dolby Pro Logic decoder built into this unit

employs a digital signal processing system that

automatically stabilizes the volume on each channel to

enhance moving sound effects and directionality.

■ Dolby Digital

Dolby Digital is a digital surround sound system that gives

you completely independent multi-channel audio. With

three front channels (left, center and right), and two rear

stereo channels, Dolby Digital provides five full-range

audio channels. With an additional channel especially for

bass effects, called LFE (low frequency effect), the system

has a total of 5.1 channels (LFE is counted as 0.1 channel).

Using two-channel stereo for the rear speakers, more

accurate moving sound effects and surround sound

environment are possible than with Dolby Surround. The

wide dynamic range (from maximum to minimum volume)

reproduced by the five full-range channels and the precise

sound orientation generated using digital sound processing

provide listeners with previously unheard of excitement and

realism.

With this unit, any sound environment from monaural up to

a 5.1-channel configuration can be freely selected for your

enjoyment.

■ DTS (Digital Theater Systems)

Digital Surround

DTS digital surround was developed to replace the analog

soundtracks of movies with a six-channel digital sound

track, and is now rapidly gaining popularity in movie

theaters around the world. Digital Theater Systems Inc. has

developed a home theater system so that you can enjoy the

depth of sound and natural spatial representation of DTS

digital surround in your home. This system is practically

distortion-free, clear 6-channel sound (technically, a left,

right and center channels, two rear channels, plus an LFE

0.1 channel as a subwoofer, for a total of 5.1 channels).

■ LFE 0.1 channel

This channel is for the reproduction of low bass signals. The

frequency range for this channel is 20 Hz to 120 Hz. This

channel is counted as 0.1 because it only enforces a low

frequency range compared to the full-range reproduced by

the other 5 channels in a Dolby Digital or DTS 5.1 channel

systems.

■ CINEMA DSP

DIGITAL

Since the Dolby Surround and DTS systems were originally

designed for use in movie theaters, their effect is best felt in

a theater having many speakers and designed for acoustic

effects. Since home conditions, such as room size, wall

material, number of speakers, and so on, can differ so

widely, it’s inevitable that there are differences in the sound

heard as well. Based on a wealth of actually measured data,

YAMAHA CINEMA DSP uses YAMAHA original sound

field technology to combine Dolby Pro Logic, Dolby Digital

and DTS systems to provide the visual and audio experience

of movie theater in the listening room of your own home.

■ SILENT CINEMA

YAMAHA has developed a natural, realistic sound effect

DSP algorithm for headphones.

Parameters for headphones have been set for each sound

field so that accurate representations of all the sound field

programs can be enjoyed on headphones.

■ Virtual CINEMA DSP

YAMAHA has developed a virtual CINEMA DSP algorithm

that allows you to enjoy DSP sound field surround effects

even without any rear speakers by using virtual rear

speakers.

It is even possible to enjoy virtual CINEMA DSP in a

minimum two-speaker system that does not include a center

speaker.

0109V420RDS46-53_EN 2/12/1, 1:36 PM51

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