Integra DTR-50.4, Инструкция по эксплуатации, Страница: 62 / 112

Advanced Operations
En-62
Digital Processing Crossover Network
Digital Crossover provides a separate routing system by
splitting the audio signal into separate frequency bands
optimized for each speaker driver. It provides a fine, three-
dimensional sound field that extend each driver’s
performance to the uppermost. With its built-in time
alignment function, this system also adjusts the sound
shifting that occurs when there is a physical offset between
sound drivers. At a digital processing level, it corrects this
offset by delaying the related audio signal.
Although this function is meant for speakers without
crossover network, it can also be used with bi-amped
speakers.
Tip
• This setting can be done while listening to an audio source.
• Press
Mode/D (Blue) to switch from the current audio source to
test noises. Pressing
Mode/D
(Blue) again or the cursor buttons
will stop the test noises and switch back to the original audio
source.
Note
• This setting can only be made when “ Speakers Type (Front) ” is
set to “ Digital Crossover ” (
➔
page 58
).
■
Crossover
`
“ 250Hz ”, “ 320Hz ”, “ 400Hz ”, “ 500Hz , “ 630Hz ”,
“ 800Hz ”, “ 1000Hz ”, “ 1250Hz ”, “ 1600Hz ”,
“ 2000Hz ”, “ 2500Hz ”, “ 3200Hz ”, “ 4000Hz ”,
“ 5000Hz ”
Output Band for Test
`
High + Low , High , Low :
Select the output for the audio signal.
Tip
• Pressing
Mode/D
(Blue) button plays band-limited test noises
which center on the specified frequency.
• We recommend choosing a crossover value that creates no
volume difference between “ High ” and “ Low ”.
Note
• Refer to your speaker manual when setting without the use of test
noises.
■
Overlap
`
No
`
Yes
With this setting, a frequency band near the specified
crossover frequency is output by both tweeters and
woofers. Based on the frequency selected for “
Crossover ”,
the cutoff frequency of the low-pass filter (LPF) will be set
to 1/3 octave up and that of the high-pass filter (HPF) to
1/3 octave down. Example: With a “
Crossover ” of
“ 3200Hz ”, the cutoff frequency of the woofers’ LPF will
be “ 4000Hz ”, and the tweeters’ HPF will be “ 2500Hz ”.
Tip
• Sounds processed by Digital Processing Crossover Network are
played.
• You can switch from the current audio source to test noises by
pressing Mode/D (Blue).
• In the case of usage of the bi-amped speakers, if there is a
difference between the crossover frequency in the speakers’ built-
in network and the crossover frequency to be set on the AV
receiver, the frequency dip may be caused. Therefore, it is
recommended that this function should be set to “
Yes ”.
■
High Level, Low Level
`
–6.0dB to 0.0dB to +6.0dB in 0.5 dB steps
With this setting, you can set the volume of tweeters and
woofers.
Tip
• Sounds processed by Digital Processing Crossover Network are
played.
• You can switch from the current audio source to test noises by
pressing
Mode/D
(Blue).
■
High Phase, Low Phase
`
0 º
`
180 º:
With this setting, you can adjust the phase of tweeters and
woofers.
Tip
• Sounds processed by Digital Processing Crossover Network are
played.
• You can switch from the current audio source to test noises by
pressing Mode/D (Blue).
■
High Distance, Low Distance
`
0inch(0.0cm) to 12inch(30.0cm) in 1 inch(2.5 cm)
steps
With this setting, you can adjust the virtual position of
tweeter and woofer units. Adjusting “
High Distance ”
virtually shifts woofers behind tweeters. Adjusting “ Low
Distance ” virtually shifts tweeters behind woofers.
Tip
• Sounds processed by Digital Processing Crossover Network are
played.
• You can switch from the current audio source to test noises by
pressing
Mode/D
(Blue).
Cutoff frequencies of the woofers’ low-pass filter (LPF)
and the tweeters’ high-pass filter (HPF) are set according
to the frequency specified for “
Crossover ”.
(Low Distance)
Tweeter
Woofer
(High Distance)
Distance Distance