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OPTIMOD
B)
Press
DIG OUT CALIB
Adjust
C)
DO 100%
ence to full-scale.
7. Set the DO RATE (Digital Output sample rate).
[32], [44.1], or [48kHz]
48kHz is preferred because its samples are synchronous with the peak con-
trolled samples in the processing.
Selecting a 32kHz output sample rate will automatically set 15kHz as the
highest available audio bandwidth.
DO RATE
DO RATE
15000 Hz. When
tends to 20000 Hz.
8. Set the DO SYNC (Digital Output Sync) mode to internal or external.
[internal] or [external]
The
internal
clock. All inputs are subject to sample rate conversion.
The
external
AES/EBU signal is present at the
it will be used for synchronization. If lock is unavailable at the
INPUT
AES/EBU INPUT
exceed ±4% of the selected output rate, the unit automatically switches to
. The unit automatically returns to
ternal
tinuously valid AES/EBU signal lock at a valid sample-rate. Furthermore,
external lock is only permitted when the output rate matches the sync (or
AES/EBU input) rate.
DO SYNC
input provides the audio while the
sync for the digital output.
9. Set the SYNC DELAY through the processing.
[off], [24 ms], [30 fps], [29.97 fps], [25 fps], [24 fps], and [96 ms]
The 6200 can add time delay to make its input/output delay one frame, using
a variety of different standards. The selections are
delay), 24 milliseconds, 30 fps, 29.97 fps (NTSC color video), 25 fps (most
PAL video), 24 fps (film), and 96 milliseconds.
10. Set the desired output word length.
[16bits], [18bits] and [20bits]
The largest valid word length in the 6200 is 20 bits, limited by the sample
rate converters. (Internal word length is 24 bits.) The 6200 can also truncate
soft key.
to determine the maximum peak digital output level with refer-
will also affect the available range of test tone frequencies. When
is set to 32 kHz, the highest
is set to 44.1 or 48 kHz,
DO RATE
sync setting synchronizes the output words to the 6200 internal
setting synchronizes the output rate to the input rate. If a valid
, or if the
SYNC INPUT
is used. If both the
may be
external
while
TONE FREQ
TONE FREQ
AES/EBU SYNC INPUT
exceeds ±4% of the selected output rate, the
and the
SYNC INPUT
sync after 1 second of con-
external
INPUT
is
analog
. In this case the analog
or
SYNC
AES/EBU
off
(approximately 14ms
INSTALLATION
setting is
range ex-
on the rear panel,
SYNC
AES/EBU INPUT
in-
input provides the
2-33
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