Yamaha YHT-380 Owner's Manual download pdf (Page 25)

• AIR SURROUND XTREME

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.

Typical 5.1 channel speaker system J

Front speakers

Surround speakers

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.

I The sound image of the system J

• Channel (ch)

A channel is an audio type that has been divided based

on range and other characteristics.

Ex. 7.1 channel

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

• Center speaker (lch)

• Surround speakers, Left (lch), Right (lch)

• Surround back speakers, Left (lch), Right (lch)

• Subwoofer (lch x 0.1" = 0.1ch)

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

designed to enhance low frequency sound for added

effect.

• Deep Color

Deep Color refers to the use of various color depths in

displays, up from the 24-bit depths in previous

versions of the HDMI specification. This extra bit

depth allows HDTVs and other displays go from

millions of colors to billions of colors and eliminate

on-screen color banding for smooth tonal transitions

and subtle gradations between colors. The increased

contrast ratio can represent many times more shades of

gray between black and white. Also Deep Color

increases the number of available colors within the

boundaries defined by the RGB or YCbCr color space.

• Dolby Digital

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 live lull-range audio channels.

With an additional channel especially for bass effects

(called LFE, or 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 system creates the virtual 7.1 channel surround sound with the

subwoofer integrated receiver and the speaker.

C: Center speaker

FR, FL: Front speakers

SW: Subwoofer

SR, SL: Surround virtual speakers

SBR, SBL: Surround back virtual speakers

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Yamaha YHT-380 Owner's Manual Page 25

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