Handleiding Arcam dv 139 (pagina 18 van 26) (Engels)

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DV139

E-18

Speaker set-up

This menu screen allows you to specify the speaker conguration that

is connected to the analogue ouputs of your DVD player. (If you are

using the HDMI or SPDIF audio outputs, this speaker conguration

should be performed in your surround-sound receiver.) It is important

that this conguration reects accurately the actual situation,

otherwise audio quality may be severely compromised.

The speakers are indicated as follows:

Front L/R This is the setting for the ‘Front’ speakers

Centre This is the ‘Centre’ speaker setting.

Surround

L/R

This is the setting for the ‘Surround’ speakers (normally

next to or behind the user).

Subwoofer This is used to indicate whether a subwoofer is connected.

For each speaker, the player can be congured to send either audio

with the full frequency range of the source material, or with a reduced

frequency range. The reduced frequency range option is used normally

when ‘satellite’ speakers are used for the surround channels; these cannot handle low frequency

information. Full frequency speakers are commonly called ‘Large’ speakers, with reduced-range speakers

given the name ‘Small’. Low frequency information is re-routed from ‘small’ speakers to ‘large’ speakers,

or to the subwoofer (depending on the speaker conguration).

NOTES:

1. Any speaker that is not connected should be identied by selecting ‘Not Present’ for

that speaker.

2. Although the DV139 is very exible in the speaker congurations it can handle, some

restrictions have been applied. For example, if no subwoofer is present, then it is not

possible to congure the Front speakers to be ‘Small’ since there would be nowhere

to redirect the low frequency information.

Sub with stereo

This setting is relevant to 2-channel source material only (such as CDs). It controls whether the

low frequency information is redirected to the subwoofer, or not. This item can be changed only if a

subwoofer is specied as present in the system.

Not used No redirection of low-frequency information occurs; all the audio is sent to the

Front speakers.

Bass

redirected

Low-frequency information is redirected to the subwoofer, with the remaining

(higher-frequency) information sent to the Front speakers.

Bass

duplicated

All the audio is sent to the Front speakers. In addition, the low-frequency

information is duplicated to the subwoofer.

Crossover Frequency

This setting denes the frequency at which bass-redirection begins. Frequencies below this level are

redirected from ‘small’ speakers to the Fronts or to the subwoofer; frequencies above this level are not

redirected. The redirection frequency is the same for all the speakers in a system.

The optimum crossover frequency depends on the characteristics of your speaker set-up, and is best

determined by experimentation. We suggest you start at 100Hz.

Delay set-up

The delay set-up menu page allows two different types of delay to be

congured: those due to speaker positioning and those due to video

post-processing.

Speaker positioning

The relative positioning of speakers within a room (particularly a

large room) may mean that sound from some speakers arrives

at the listener later than sound from others. By altering the delay

settings for the different speakers, this difference in arrival time

can be reduced or eliminated.

When setting the delay, it should be imagined that the listener is

sitting in a circle of the speakers; the delay indicates the distance

of the speaker from the listener.

Measurement Units

Your DV139 allows you to choose the measurement units that you

feel most comfortable with: centimetres or inches.

Delays

Delays for the front, centre and surround speakers can be set using the associated sliders.

Specifying the different speaker distances will cause a slight delay to be added to the output of the

closest speakers so that the sound from all the speakers will arrive at the listener at the same time.

Note that these delay sliders affect only the analogue and the HDMI outputs (although the HDMI

output is affected only when multi-channel uncompressed audio is requested by the receiver, not

otherwise). The SPDIF digital audio output is never affected by changes here. If you are using the

SPDIF connection between the DV139 and your receiver, set all of the delays to zero.

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