Bedienungsanleitung Yamaha RX-A2010 (Seite 140 von 151) (Englisch)

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Audio information

Audio and video synchronization (Lipsync)

Lip sync, an abbreviation for lip synchronization, is a technical term that involves both a problem, and the capability of

maintaining audio and video signals synchronized during post-production and transmission.

Whereas the audio and video latency requires complex end-user adjustment, 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 (Bi-amp)

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.

CINEMA DSP

Since the Dolby Surround and DTS systems were originally designed for use in movie theaters, their effect is best felt in

a theater having many speakers designed for acoustic effects. Since home conditions, such as room size, wall material,

number of speakers, and so on, can differ so widely, it is inevitable that there are differences in the sound that is heard.

Based on a wealth of actually measured data, Yamaha CINEMA DSP uses Yamaha’s original DSP technology to

combine Dolby Pro Logic, Dolby Digital, and DTS systems to provide the audiovisual experience of a movie theater in

the listening room of your own home.

CINEMA DSP 3D

The actually measured sound field data contain the information of the height of the sound images. CINEMA DSP 3D

feature achieves the reproduction of the accurate height of the sound images so that it creates the accurate and

intensive stereoscopic sound fields in a listening room.

Compressed Music Enhancer

The Compressed Music Enhancer feature of this unit enhances your listening experience by regenerating the missing

harmonics in compression artifacts. As a result, it compensates for flattened complexity due to the loss of high-

frequency fidelity as well as lack of bass due to the loss of low-frequency bass, providing improved performance for the

overall sound system.

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, referred to as 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 environments are possible than with Dolby Surround. The wide dynamic

range from maximum to minimum volumes that are reproduced by the 5 full-range channels, and the precise sound

orientation generated using digital sound processing provides 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 Plus

Dolby Digital Plus is an advanced audio technology developed for highdefinition programming and BD (Blu-ray disc).

Selected as an optional audio standard for BD, 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 multichannel 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.

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, as well as in many TV and cable broadcasts. 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.

Dolby TrueHD

Dolby TrueHD is an advanced lossless audio technology developed for high-definition disc-based media including Blu-

ray Disc. Selected as an optional audio standard for BD (Blu-ray disc), this technology delivers sound that is bit-for-bit

identical to the studio master, offering a high-definition home theater experience. Supporting bitrates up to 18.0 Mbps,

Dolby TrueHD can carry up to 8 discrete channels of 24-bit/96 kHz audio simultaneously. Dolby TrueHD also remains

fully compatible with the existing multichannel audio systems and retains the metadata capability of Dolby Digital,

allowing dialog normalization and dynamic range control.

DTS 96/24

DTS 96/24 offers an unprecedented level of audio quality for multichannel sound on DVD video, and is fully backward-

compatible with all DTS decoders. “96” refers to a 96 kHz sampling rate compared to the typical 48 kHz sampling rate.

“24” refers to 24-bit word length. DTS 96/24 offers sound quality transparent to the original 96/24 master, and 96/24 5.1-

channel sound with full-quality full-motion video for music programs and motion picture soundtracks on DVD video.

Glossary

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