Yamaha E580 Manuel d'utilisation - Page 7

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Dolby Pro Logic Surround

The Dolby Pro Logic Surround Decoder program lets you

experience the dramatic realism and impact of Dolby Surround movie

theater sound in your own home. Dolby Pro Logic gets its name from

its professional-grade steering logic circuitry, which provides greater

effective channel separation for a much higher degree of realism than

the "passive" Dolby Surround circuits found in today's typical home

audio/video equipment. Dolby Pro Logic Surround provides a true

center channel, so that there are four independent channels, unlike

passive Dolby Surround, which has in effect only three channels: left,

right, and rear. This center channel allows listeners seated in even

less-than-ideal positions to hear the dialog originating from the action

on the screen while experiencing good stereo imaging.

This Dolby Pro Logic Surround Decoder employs a digital signal

processing system. This system improves the stability of sound at

each channel and crosstalk between channels, so that positioning of

sounds around the room is more accurate compared with

conventional analog signal processing systems.

In addition, this unit features a built-in automatic input balance

control. This always assures you the best performance without

manual adjustment.

Manufactured under license from Dolby Laboratories Licensing

Corporation. Additionally licensed under one or more of the following

patents: U.S. number 3,959,590; Canadian numbers 1,004,603 and

1,037,877. "Dolby", "Pro Logic", and the double-D symbol are

trademarks of Dolby Laboratories Licensing Corporation.

Dolby Pro Logic Surround

Additionally you can enjoy sound environment created by the

combination of Dolby Pro Logic and YAMAHA DSP. Precise sound

movement and orientation by the Dolby Pro Logic technology is

added to sound fields which are precisely recreated on the

basis of actual acoustic environments by the DSP technology,

so it is suitable for any Audio/Video source with video image.

This combination is used on sound field programs No.5 through

No.14, and No.16.

The YAMAHA "CINEMA DSP" logo indicates these programs

created by the combination of Dolby Pro Logic and YAMAHA DSP

technology.

DSP