Bedienungsanleitung Yamaha DSP-Z7 (Seite 128 von 154) (Englisch)

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GLOSSARY

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■ Audio and video synchronization

(lip sync)

Lip sync, an abbreviation for lip synchronization, is a technical

term that involves both a problem and a capability of maintaining

audio and video signals synchronized during post-production and

transmission. Whereas the audio and video latency requires

complex end-user adjustments, HDMI version 1.3 incorporates an

automatic audio and video syncing capability that allows devices

to perform this synchronization automatically and accurately

without user interaction.

■ Bi-amplification connection

A bi-amplification connection uses two amplifiers for a speaker.

One amplifier is connected to the woofer section of a loudspeaker

while the other is connected to the combined mid and tweeter

section. With this arrangement each amplifier operates over a

restricted frequency range. This restricted range presents each

amplifier with a much simpler job and each amplifier is less likely

to influence the sound in some way. The internal crossover of the

speaker consists of a LPF (low pass filter) and a HPF (high pass

filter). As its name implies, the LPF passes frequencies below a

cutoff and rejects frequencies above the cutoff frequency.

Likewise, the HPF passes frequencies above its cutoff.

■ Component video signal

With the component video signal system, the video signal is

separated into the Y signal for the luminance and the P

B and PR

signals for the chrominance. Color can be reproduced more

faithfully with this system because each of these signals is

independent. The component signal is also called the “color

difference signal” because the luminance signal is subtracted

from the color signal. A monitor with component input jacks is

required in order to output component signals.

■ Composite video signal

With the composite video signal system, the video signal is

composed of three basic elements of a video picture: color,

brightness and synchronization data. A composite video jack on a

video component transmits these three elements combined.

■ 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

Dolby Digital is a digital surround sound system that gives you

completely independent multi-channel audio. With 3 front

channels (front L/R and center), 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 speakers, 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 unprecedented 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 Digital EX

Dolby Digital EX creates 6 full-bandwidth output channels from

5.1-channel sources. This is done using a matrix decoder that

derives 3 surround channels from the 2 in the original recording.

For the best results, Dolby Digital EX should be used with movie

sound tracks recorded with Dolby Digital Surround EX. With this

additional channel, you can experience more dynamic and

realistic moving sound especially with scenes with “fly-over” and

“fly-around” effects.

■ Dolby Digital Plus

Dolby Digital Plus is an advanced audio technology developed

for high-definition programming and media including HD

broadcasts, HD DVD, and Blu-ray Disc. Selected as a mandatory

audio standard for HD DVD and 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 version 1.3 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.

■ Dolby Pro Logic II

Dolby Pro Logic II is an improved technique used to decode vast

numbers of existing Dolby Surround sources. 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. There are three modes available: “Music

mode” for music sources, “Movie mode” for movie sources and

“Game mode” for game sources.

■ Dolby Pro Logic IIx

Dolby Pro Logic IIx is a new technology enabling discrete multi-

channel playback from 2-channel or multi-channel sources. There

are three modes available: “Music mode” for music sources,

“Movie mode” for movie sources (for 2-channel sources only)

and “Game mode” for game sources.

Glossary

Yamaha DSP-Z7 Seite 128

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