4.4 Errors 4.5 Compatibility 4.6 Maintenance 4.7 Cleaning 4.8 Head hour display 4.9 Error rate display 4.10 Tape gets stuck inside 4.11 Hints for making print masters on DTRS machines 1 SDDS Print Master Format SDDS Print Master G uidelines, Page...
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8.7 Setting the digital subwoofer in the cinema. 8.8 Optical subwoofer defined. 8.9 Setting the optical subwoofer. 8.10 Subwoofer polarity. 8.11 Rule-of-thumb methods. Glossar y of T er ms 1 SDDS Print Master Format SDDS Print Master G uidelines, Page...
Use:- DT RS Hi8 DASH 6 track magnetic film Akai DD8plus MO DT RS Hi8 Akai DD8plus MO DT RS Hi8 or as specified locally DAS H Channel DT R S / MO Channel SDDS Print Master G uidelines, Page...
T his can optionally end with a tail pip. A/ D conver sion. No audio pre-emphasis. 1 SDDS Print Master Format S PL C-W eight ed measur ement Approx 91 see* SDDS Print Master G uidelines, Page...
T est t apes T est tapes are available from the Sony C inema Products (SC P) office, details on page Er r or ! B ookmar k not def ined.. T hese contain 1kHz at –20dBfs plus pink noise at the RMS value of this tone.
DFP-3000 Quick Start G uide, available from Sony C inema Products (SC P) office, details on page Er r or ! B ookmar k not def ined.. T his is usually carried out before the project is begun.
SDDS master to be checked to some extent. I deally a separate playback pass should be made (clones can be made at this time, perhaps). 2 Notes, Hints and T ips SDDS Print Master G uidelines, Page...
I t is therefore vital to listen back to all masters with picture. T his will avoid costly reshooting of negatives. T he master may not be monitored when it is transferred to film as all soundtracks are shot in one pass. 2 Notes, Hints and T ips SDDS Print Master G uidelines, Page...
I f drop-ins or punch-ins are necessary, make sure the crossfade time on the machine is set to minimum. T his is also another good reason for pre-formatting. 3 DASH Machines – C are and Use SDDS Print Master G uidelines, Page...
T his means that the tape will play back fine on the machine on which it was recorded, but causes errors on other machines. 4 DT RS Machines – C are and Use SDDS Print Master G uidelines, Page...
Compat ibilit y Note that there is no difference in line up procedure between the T ascam DA-88 and the Sony PC M-800. Both machines use the same Sony Hi-8 transport, and both machines are manufactured by T EAC .
4 LC and RC are still played back in the cinema, so any noise present on them will be reproduced in the cinema. § I t is not possible to drop-in/punch-in in this mode. 4 DT RS Machines – C are and Use SDDS Print Master G uidelines, Page...
T he DD8 can be synchronised in several ways. § Video Sync (recommended) § Biphase § Word sync § T imecode only (not recommended, and will not work with NT SC pulldown) 5 Akai DD8 machines – C are and Use SDDS Print Master G uidelines, Page...
5 Akai DD8 machines – C are and Use S et Akai r ef t o T one at + 4dBu 0dBu + 2dBu -4dBu SDDS Print Master G uidelines, Page Gives -20dBfs -20dBfs -20dBfs -20dBfs...
I f you have problems with MO drives and smoking occurs in the same room, this is almost certainly the reason for the problems. SDDS Print Master G uidelines, Page...
6 SDDS - The industry's best sounding format Sony Dynamic Digital Soundâ (SDDSâ ) is the motion picture industry's most advanced digital sound format, designed exclusively for cinema presentation. In developing SDDS, Sony applied decades of innovative experience in professional and home audio to deliver the highest quality sound presentation.
T he data rate off film is 2.2Mbits/sec, rather than 370kbits/second. T he data compression is Sony’ s acclaimed AT RAC , used in broadcasting and in minidisk players. T he compression ratio is only 5:1, rather than 10:1 or 13:1.
“Listening to the three-channel music became an annoying and distracting disappointment, even with a 12 foot (wide) screen. Obviously my earlier notion had been mistaken. T he SDDS eight-channel advantage will work in any theatre.” John F Allen, B oxof f ice 1997 SDDS Print Master G uidelines, Page...
Dolby is now recommending that new studios follow the “American” system of having the same Dolby level and reference level. T his makes sense as the DI N maximum system has now largely disappeared in the film industry. SDDS Print Master G uidelines, Page...
10dB greater than those in the screen speaker’ s in-band region. T his is referred to as “10dB of in -band gain” (subwoofer level relative to each screen speaker level). 8 Subwoofers SDDS Print Master G uidelines, Page...
A low pass filter setting of 125 Hz will give a wide band subwoofer SPL pink noise measurement of approximately 91 dBc. T his rule-of- thumb result is only approximate and should not be used for the primary alignment of a theatre. 8 Subwoofers SDDS Print Master G uidelines, Page...
DB full scale Level of a digital signal, where 0dBfs is the maximum level. Drop-in T he process of editing a recording by pressing the record button whilst playing back SDDS Print Master G uidelines, Page 9 G lossary of T erms...
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9 G lossary of T erms W W W .S DDS .COM ® Sony & SDDS are registered trademarks of the Sony C orporation ® Dolby and SRD are trademarks of Dolby Laboratories SDDS Print Master G uidelines, Page...