Bedienungsanleitung Yamaha YSP-900 (Seite 89 von 96) (Englisch)

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GLOSSARY

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ADDITIONAL

INFORMATION

English

■ Dolby Digital

Dolby Digital is a digital surround sound system that gives

you completely independent multi-channel audio. With 3

front channels (left, center, and right), 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 channels, 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 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.

■ Dolby Pro Logic II

Dolby Pro Logic II is an improved technique used to

decode vast numbers of existing Dolby Surround software.

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). Music and Game modes are also available for

2-channel sources in addition to the Movie mode.

■ 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.

■ DTS (Digital Theater Systems)

Digital Surround

DTS digital surround was developed to replace the analog

soundtracks of movies with a 6-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 produces

practically distortion-free 6-channel sound (technically, a

left, right and center channels, 2 surround channels, plus

an LFE 0.1 channel as a subwoofer, for a total of 5.1-

channels). The unit incorporates a DTS-ES decoder that

enables 6.1-channel reproduction by adding the surround

back channel to existing 5.1-channel format.

■ DTS Neo:6

Neo:6 decodes the conventional 2-channel sources for 6

channel playback by the specific decoder. It enables

playback with the full-range channels with higher

separation just like digital discrete signal playback. Two

modes are available; Music mode for playing music

sources and Cinema mode for movies.

■ PCM (Linear PCM)

Linear PCM is a signal format under which an analog

audio signal is digitized, recorded and transmitted without

using any compression. This is used as a method of

recording CDs and DVD audio. The PCM system uses a

technique for sampling the size of the analog signal per

very small unit of time. Standing for pulse code

modulation, the analog signal is encoded as pulses and

then modulated for recording.

■ 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 5/6 channels in Dolby Digital or

DTS 5.1/6.1-channel systems.

GLOSSARY

Audio formats

Audio information

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