Yamaha RX-V463 - Инструкция по эксплуатации - Страница 83

Glossary

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CINEMA DSP

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 designed for 
acoustic effects. Since home conditions, such as room 
size, wall material, number of speakers, and so on, can 
differ so widely, it is inevitable that there are differences in 
the sound heard. 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 audiovisual 
experience of a movie theater in the listening room of your 
own home.

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Component video signal

With the component video signal system, the video signal 
is separated into the Y signal for the luminance and the P

B

and P

R

 signals for the chrominance. Color can be 

reproduced more faithfully with this system because each 
of these signals is independent. The component signal is 
also called the “color difference signal” because the 
luminance signal is subtracted from the color signal. A 
monitor with component input jacks is required in order to 
output component signals.

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Composite video signal

With the composite video signal system, the video signal 
is composed of three basic elements of a video picture: 
color, brightness and synchronization data. A composite 
video jack on a video component transmits these three 
elements combined.

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Dolby Digital

Dolby Digital is a digital surround sound system that gives 
you completely independent multi-channel audio. With 3 
front channels (front L/R and center), and 2 surround 
stereo channels, Dolby Digital provides 5 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). By using 2-channel stereo for the surround 
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 5 full-range channels 
and the precise sound orientation generated using digital 
sound processing provide listeners with unprecedented 
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.

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Dolby Pro Logic II

Dolby Pro Logic II is an improved technique used to 
decode vast numbers of existing Dolby Surround sources. 
This new technology enables a discrete 5-channel 
playback with 2 front left and right channels, 1 center 
channel, and 2 surround left and right channels instead of 
only 1 surround channel for conventional Pro Logic 
technology. There are three modes available: “Music 
mode” for music sources, “Movie mode” for movie 
sources and “Game mode” for game sources.

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Dolby Surround

Dolby Surround uses a 4-channel analog recording system 
to reproduce realistic and dynamic sound effects: 2 front 
left and right channels (stereo), a center channel for dialog 
(monaural), and a surround channel for special sound 
effects (monaural). The surround 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.

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DTS Digital Surround

DTS digital surround was developed to replace the analog 
soundtracks of movies with a 5.1-channel digital sound 
track, and is now rapidly gaining popularity in movie 
theaters around the world. DTS, 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 produces practically 
distortion-free 5.1-channel sound (technically, left, right 
and center channels, 2 surround channels, plus an LFE 0.1 
channel as a subwoofer, for a total of 5.1-channels).

Glossary