Bedienungsanleitung Yamaha DSP-A595 (Seite 5 von 323) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch, Schwedisch)

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FEATURES ON SOUND EFFECT

This unit incorporates a sophisticated, multi-program digital

sound field processor. The processor allows you to electroni-

cally expand and change the shape of the audio sound field

from both audio and video sources, creating a theater-like

experience in your listening room. This unit has a total of 8

digital sound field processor (DSP) modes. You can create an

excellent audio sound field by selecting a suitable sound field

(this will, of course, depend on what you will be listening to),

and adding desired adjustments.

In addition, this unit incorporates a Dolby Pro Logic Surround

decoder and Dolby Digital decoder for multi-channel sound

reproduction of Dolby Surround encoded video sources. The

operation of the Dolby Pro Logic Surround or Dolby Digital

decoder can be controlled by selecting a corresponding DSP

program including combined operations of the YAMAHA DSP

and the Dolby Pro Logic Surround or Dolby Digital decoder.

Digital Sound Field Processing

What is it that makes live music so good? Today’s advanced

sound reproduction technology lets you get extremely close to

the sound of a live performance, but chances are you’ll still

notice something missing, the acoustic environment of the live

concert hall. Extensive research into the exact nature of the

sonic reflections that create the ambience of a large hall has

made it possible for YAMAHA engineers to bring you this same

sound in your listening room, so you’ll feel all the sound of a

live concert.

Furthermore, our technicians, armed with sophisticated

measuring equipment, have even made it possible to capture

the acoustics of a variety of actual concert halls, theaters, etc.

from around the world, to allow you to accurately re-create any

one of these live performance environments, all in your home.

Dolby Pro Logic Surround

This unit employs a Dolby Pro Logic Surround decoder similar

to professional Dolby Stereo decoders used in many movie

theaters. By using the Dolby Pro Logic Surround decoder, you

can experience the dramatic realism and impact of Dolby

Surround movie theater sound in your own home. Dolby Pro

Logic employs a four channel five speaker system. The Pro

Logic Surround system divides the input signal into four levels:

the left and right main channels, the center channel (used for

dialog), and the rear surround sound channels (used for sound

effects, background noise, and other ambient noises). The

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.

Dolby Surround is encoded on the sound track of pre-recorded

video tapes, laser discs, and some TV/cable broadcasts. When

you play a source encoded with Dolby Surround on this unit,

the Dolby Pro Logic Surround decoder decodes the signal and

distributes the surround-sound effects.

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.

Dolby Digital

The built-in Dolby Digital decoder leads you into a totally new

sound experiences.

Dolby Digital is a new generation of multi-channel digital audio

technology, or the newest spatial sound processing format

developed for 35 mm film-movies by employing a new kind of

low bit-rate audio coding.

Dolby Digital is a digital surround sound system that provides

completely independent multi-channel audio to consumers. In

multi-channel form, Dolby Digital provides five full range

channels in what is sometimes referred to as a “3/2” configura-

tion: three front channels (left, center and right), plus two

surround channels. A sixth bass-only effect channel is also

provided for output of LFE (low frequency effect), or low bass

effects that are independent of other channels. This channel is

counted as 0.1, thus giving rise to the term 5.1 channels in

total.

Compared to Dolby Pro Logic that is referred to a “3/1” system

(left front, center, right front and just one surround channel),

Dolby Digital features two surround channels, called stereo or

split surrounds, each offering the same full range fidelity as the

three front channels.

Sound of wide dynamic range reproduced by the five full range

channels presents listeners much excitement that has never

been experienced before. Precise sound orientation by the

discrete digital sound processing expands realism that the

original movie possesses.

LD and DVD are home audio formats that could benefit from

Dolby Digital. In the near future, Dolby Digital will also be

applied to DBS, CATV and HDTV. The ongoing release of

Dolby Stereo Digital theatrical films now underway will provide

an immediate source of Dolby Digital encoded video software.

DSP-A595-1 3/25/99, 3:52 PM5

Yamaha DSP-A595 Seite 5

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