Arcam AVR200 Manuale - Pagina 10
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To calculate these delay times, fi rst measure (or estimate)
the distances from the listening position to the front, centre
and rear speakers. Keep a record of these distances by
entering them under the heading 'Your measurement' in the
table provided.
The centre channel delay is calculated by subtracting the centre
channel distance from the front left (or right) distance. The
difference represents the
The rear channels' delay time is calculated by subtracting the
rear left (or right) distance from the front left (or right) distance.
The difference represents the
rear loudspeakers are further from the listening position than
the front loudspeakers, you should set this delay to
If you have made your measurements in feet, one foot
approximates to one millisecond (1ms) delay. If you have made
your measurements in metres, one metre approximates to three
milliseconds (3ms) delay.
When playing a Dolby Pro Logic or Dolby Pro Logic II source
you can set a time delay (in milliseconds) for the rear channels.
There is no delay setting for the centre channel.
The rear channel delay in Dolby Pro Logic is calculated by
adding 15ms to the rear channel delay calculated for Dolby
Digital. In our example, this is 15ms + 6ms = 21ms.
AVR200
10
delay time.
CENTRE
delay time. Note that if your
REAR
.
0ms
front
centre
left
e.g. 4m
e.g. 3m
(12ft)
(9ft)
e.g. 2m
(6ft)
rear
left
Distance to listening position
Front left or right
4m or 12ft
Centre
3m or 9ft
Rear left or right
2m or 6ft
Difference
CENTRE delay
(4 – 3m) or (12 – 9ft)
= 1m or 3ft
REAR delay
(4 – 2m) or (12 – 6ft)
= 2m or 6ft
CHANNEL DELAYS
CENTER
N/A
REAR
21ms
DO NOT SAVE AND EXIT
SAVE AND EXIT
front
right
rear
right
e.g.
Your
measurement
---------------------
---------------------
---------------------
e.g.
Delay (ms)
3 milliseconds
6 milliseconds