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5 Akai DD8 machines – Care and Us e
SDDS Print Master Guidelines, Page 15 of 26
If a PAL sync i s used, this is set up as follows
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Press SYSTEM – DIGI
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Set Sample Rate to 44.1kHz
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Set Digital Sync t o PAL Video s ync
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Press SYNC
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Set Ext. time s our ce to 25FPS
Please note that if NTSC s y n c i s used i n a “pulled down” set up, the s ampling
frequency must also be pulled down to 44.056. This is set up as follows.
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Press SYSTEM - DIGI
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Set Sample Rate to 44.056
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Set Digital Sync t o NT S C 29.97
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Press SYNC
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Set Ext time s our ce to S MPT E 29.97 nd
T hen record the mas ter in the us ual way.
5.6
L evels
Reference l evel = -20dBfs
It is important to s elect the correct analogue oper ati ng l evel in the DD8, as the audio
will be di gi tally transferred into the camer a. Therefore l evels can’t be alter ed at the
optical transfer site. Use the following table as a gui de.
Studio Operat ing L evel
Set Akai ref to
T one at Gives
+4dBu or 0VU -20 +4dBu
-20dBfs
0dBu or –4VU -16 0dBu
-20dBfs
+2dBu or –2VU -18 +2dBu
-20dBfs
-4dBu or –8VU -12 -4dBu
-20dBfs
T o change the s etting on the DD8, perform the following.
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Press SYSTEM – MORE – LEVELS
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T he level can now be changed
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Press EXIT.
T he new setting mus t be s aved, either in the pr oj ect or as a def aul t in the F las h ROM
(recommended).
Please r emember that it is important to listen back to the S DDS master, to check for
clicks, dropouts, bad connections etc.
5.7
Pr oblems with MO dr ives
One faul t of the Akai DD8 is the fact that it doesn’t report disk reading errors. If it fails
to r etr ieve a file, it will simply mute one tr ack for, say, half a s econd, and then carry
on as normal. Otherwise i t may not play a t r ack at all. These pr obl ems are caus ed by:
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Fragmentation – If a r eel contains a l ot of punch-ins or has been edited a l ot,
the dr i ve may have pr obl ems acce ssing all the s mall sections.
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Dirt and age – it is extremely important to s er vice the dr i ves regularly (see
below).
For SDDS masters it is recommended that a newl y formatted di s c i s used, and the
amount of punch-ins/editing i s kept to a mi ni mum.