Compression
Allows compression of the audio stream to be turned on or off, where ‘On’ is intended for ‘late night’
listening when large volume changes are not desirable.
Turning compression on increases the volume of the quiet passages and decreases the volume of the
louder passages, i.e., the total dynamic range of the audio is reduced. Compression can be disabled by
setting this item to ‘Off’.
Compression is available only on Dolby Digital recordings.
Pro Logic II
Dolby Pro Logic II decoding is designed to produce a 5-channel output from two-channel source material.
This item can be changed only if the ‘Audio’ menu item (described above) is set to ‘Bitstream/6 Ch’.
Set this item to one of the following. Due to the different recording methods used for movies and music, it
is recommended that the correct decoding mode for your source material is used to obtain the best results.
Off No Pro Logic decoding is performed.
PL
Dolby Pro Logic decoding is performed. Dolby Pro Logic decoding is a legacy mode,
and we recommend using one of the Pro Logic II decoding options, instead.
Movie Movie mode should be used with material marked as ‘Dolby Surround’ encoded.
Music Music mode is for use with any stereo music recording. As the optimum decoding
method varies according to the recording, Music mode allows user adjustment of
the processing characteristics; information about adjusting the Music mode by
using ‘Dimension’, ‘Centre Width’ and ‘Panorama’ controls can be found below.
Matrix The Matrix mode is the same as the Music mode except that the directional
enhancement logic is turned off. Matrix mode may be used to enhance mono
signal by making them seem ‘larger’.
Dimension
(This setting can be adjusted only when Dolby Pro Logic II Music mode is selected.)
‘Dimension’ allows the user gradually to adjust the sound eld either towards the front or towards the
rear. If a recording is too spacious or strong from the surrounds, it can be adjusted ‘forward’ to get a
better balance. Likewise, if a stereo recording is somewhat too ‘narrow’ sounding, it can be adjusted
toward the rear to get a more enveloping, immersive result. We recommend ‘Dimension’ is set to 0 for
normal use.
Centre Width
(This setting can be adjusted only when Dolby Pro Logic II Music
With Pro Logic II decoding, dominant centre signals come only from
the centre speaker. If no centre speaker is present, the decoder splits
the centre signal equally to the left and right speakers to create a
‘phantom’ centre image. The Centre Width control allows variable
adjustment of the centre image so it may be heard only from the
centre speaker; only from the left/right speakers as a phantom
image; or from all three front speakers to varying degrees. We
recommend ‘Centre Width’ is set to 3 for normal use.
(This setting can be adjusted only when Dolby Pro Logic II Music
Extends the front centre image to include the surround speakers for
an exciting ‘wrap-around’ effect with side wall imaging.
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. (Note that these settings do not
affect the digital output in any way.) 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 (the speakers used
for 2-channel stereo output).
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 DV79 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.
(This setting can be adjusted only when Dolby Pro Logic II Music
With Pro Logic II decoding, dominant centre signals come only from
the centre speaker. If no centre speaker is present, the decoder splits
the centre signal equally to the left and right speakers to create a
‘phantom’ centre image. The Centre Width control allows variable
adjustment of the centre image so it may be heard only from the
centre speaker; only from the left/right speakers as a phantom
image; or from all three front speakers to varying degrees. We
recommend ‘Centre Width’ is set to 3 for normal use.
(This setting can be adjusted only when Dolby Pro Logic II Music
Extends the front centre image to include the surround speakers for
an exciting ‘wrap-around’ effect with side wall imaging.
Display Centre spreading
effect
0 No centre spreading
1 20.8°
2 28°
3 36°
4 54°
5 62°
6 69.8°
7 Phantom centre
The ‘Centre Width’ setting
for Dolby Pro Logic II
Music Mode
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