Yamaha YRS-700 Owner's Manual download pdf (Page 33)

31 En

PREPARATION

CONNECTION/

INITIAL SETTINGS PLAYBACK SETTINGS

TROUBLESHOOTING

EnglishABOUT THIS UNIT

Glossary

This system employs new technologies and algorithms that make

it possible to achieve 7-channel surround sound with only front

speakers, and without using wall reflections.

Ordinarily, two front speakers, a center speaker, two surround

speakers, and a subwoofer are necessary for enjoying 5.1 channel

surround sound.

■ Virtual 7.1 channel

The AIR SURROUND XTREME technology, using only front

speakers and subwoofer, enables you to enjoy a realistic 7.1

channel sound by simulating sound from virtual speakers at

center, surround, and surround backs.

The system creates the virtual 7.1 channel surround sound with

the subwoofer integrated receiver and the speaker.

C: Center speaker

FR, FL: Front speakers

SR, SL: Surround virtual speakers

SBR, SBL: Surround back virtual speakers

The number of sampling (process for digitalizing analog signals)

per second. In principle, the higher the sampling rate, the wider

the frequency range that can be played back, and the higher the

quantized bit rate, the finer the sound that can be reproduced.

A channel is an audio type that has been divided based on range

and other characteristics.

Ex. 7.1 channel

• Front speakers, Left (1ch), Right (1ch)

• Center speaker (1ch)

• Surround speakers, Left (1ch), Right (1ch)

• Surround back speakers, Left (1ch), Right (1ch)

• Subwoofer (1ch × 0.1* = 0.1ch)

* In contrast to a full 1-channel band, a component designed to

enhance low frequency sound for added effect.

Digital surround sound system which is developed by Dolby

Laboratories provides completely independent multi-channel

audio. With 3 front channels (left, center, and right) and 2

surround stereo channels, Dolby Digital provides five full-range

audio channels. By using 2 channel stereo for the surround

speakers, more accurate moving sound effects and surround

sound environment are possible than with Dolby Surround.

Dolby Digital Plus is an advanced audio technology developed

for high-definition programming and media including HD

broadcasts, and Blu-ray Disc. Selected as an optional audio

standard for Blu-ray Disc, this technology delivers multichannel

sound with discrete channel output. Supporting bitrates up to 6.0

Mbps, Dolby Digital Plus can carry up to 7.1 discreet audio

channels simultaneously. Supported by HDMI and designed for

the optical disc players and AV receivers/amplifiers of the future,

Dolby Digital Plus also remains fully compatible with the

existing multichannel audio systems that incorporate Dolby

Digital.

Glossary

AIR SURROUND XTREME

Typical 5.1 channel

speaker system

Front speakers

Subwoofer

Surround

speaker

Center

speaker

The sound image of the system

Sampling frequency

Channel (ch)

Dolby Digital

Dolby Digital Plus

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Yamaha YRS-700 Owner's Manual Page 33

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