Dolby Laboratories DA20 Посібник користувача - Сторінка 6
Переглянути онлайн або завантажити pdf Посібник користувача для Комп'ютерне обладнання Dolby Laboratories DA20. Dolby Laboratories DA20 18 сторінок. Digital film sound processor
Друкувати сторінку1.1
How to Identify Sound Tracks on Prints
A Dolby Digital film print or a stereo optical print (A-Type or SR), or a mono optical print
should be identified as such on both the film can and leader. However, with handling the
identification may be lost. If you are not sure if you have a stereo analog print, play a reel
and find a section with music and/or effects only (on dialogue or narration, stereo
soundtracks look much the same as mono soundtracks). Examine the soundtracks
closely; on music and effects, the two soundtracks will appear to be different on a stereo
print; on a mono print they are identical. If you specified a stereo print and received a
mono print in error, be sure to check with your local exchange or the film distributor.
Digital Print
The digital data blocks are
clearly visible between
perforations next to the
analog track. The analog
track is Dolby SR encoded.
There is no way to tell by visual inspection if a stereo print has been encoded with a
surround channel or whether it is Dolby A-type or SR encoded. However, all but a few
early Dolby Stereo releases do have a surround channel. The majority of prints are now
Dolby SR encoded. If you are in doubt, play the print in format 04 Dolby A-type until
you have a chance to listen to the track and compare playback quality in formats 04 and
05.
1-1
1.1
How to Identify Sound Tracks on Prints
1.2
Film Threading
1.3
Displays
1.4
Format Control
1.5
Single Projector Installations
1.6
Two Projector Changeover Operation
1.7
Operation With An Automation System
Analog Dolby Stereo
Print
Clear differences
between channels will
be seen in some places
along the track.
Figure 1.1 Film Sound Tracks
OPERATING INSTRUCTIONS
Mono Print
Both tracks are the
same.
SECTION 1