Bedienungsanleitung Onkyo TX-NR828 (Seite 51 von 152) (Englisch)

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Dialogue Normalization

Dialogue Normalization (DialogNorm) is a feature of

Dolby Digital, which is used to keep the programs at

the same average listening level so the user does not

have to change the volume control between Dolby

Digital, Dolby Digital Plus and Dolby TrueHD

programs. When playing back software which has

been encoded in Dolby Digital, Dolby Digital Plus and

Dolby TrueHD, sometimes you may see a brief

message in the front panel display which will read

“DialogNorm: X dB” (X being a numeric value). The

display is showing how the program level relates with

THX calibration level. If you want to play the program

at calibrated theatrical levels, you may wish to adjust

the volume. For example, if you see the following

message: “DialogNorm: + 4 dB” in the front panel

display, to keep the overall output level at THX

calibrated loudness, just turn down the volume control

by 4 dB. However, unlike a movie theater where the

playback loudness is preset, you can choose your

preferred volume setting for best enjoyment.

THX Cinema Processing

THX is an exclusive set of standards and

technologies established by the world-renowned film

production company Lucasfilm Ltd. THX grew from

George Lucas’ personal desire to make your

experience of the film soundtrack in both movie

theaters and in your home theater as faithful as

possible to what the director intended.

Movie soundtracks are mixed in special environments

called dubbing stages and are designed to be played

back in movie theaters with similar equipment and

conditions. Most of those soundtracks are remixed

using flat response loudspeakers similar to those

used in the small home theater environment before

being transferred onto Blu-ray Discs, DVD, etc.

THX engineers developed patented technologies to

accurately translate the sound from the movie theater

environment into the home, correcting the tonal and

spatial errors that occur. On this product, when the

THX indicator is on, THX features are automatically

added in Cinema modes (e.g. THX Cinema, THX

Surround EX).

Timbre Matching

The human ear changes our perception of a sound

depending on the direction from which the sound is

coming. In a movie theater, there is an array of

surround speakers so that the surround information is

all around you. In a home theater, you may only have

two speakers located to the side of your head. In this

case, the Timbre Matching feature filters the

information going to the surround speakers so that

they more closely match the tonal characteristics of

the sound coming from the front speakers. This

ensures seamless panning between the front and

surround speakers.

Adaptive Decorrelation

In a movie theater, a large number of surround

speakers help create an enveloping surround sound

experience. If a home theater only has two sidewall

surround speakers, the surround speakers may

sound similar to headphones lacking spaciousness

and envelopment. Surround sounds will also collapse

toward the closet speaker as you move away from the

middle seating position. Adaptive Decorrelation

slightly changes one surround channel’s time and

phase relationship with respect to the other surround

experience as in a movie theater using only two

speakers.

ASA (Advanced Speaker Array)

ASA is a proprietary THX technology which

processes the audio on the two side and two back

surround speakers for the optional surround sound

experience. When you set up your home theater

system using eight speaker outputs (Left, Center,

Right, Surround Right, Surround Back Right,

Surround Back Left, Surround Left, and Subwoofer),

be sure to go to the THX Audio Setup screen and

choose the setting that closely corresponds to the

back speaker spacing (➔ page 66). This will re-

optimize the surround sound field.

ASA is used in four modes: THX Select2 Cinema,

THX Select2 Music, THX Select2 Games and Dolby

Pro Logic II + THX Select2 Games.

The listening mode may not be selected depending

on the input signal. The signal input from the

external AV components can be displayed by the

function on the next page.

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