CREATIVE 1212M - Manual (Page 97)

7 - Appendix
SMPTE Background
E-MU Digital Audio System 97
Duplicating SMPTE time code
The Sync Daughter Card always generates clean SMPTE from the SMPTE output when
reading SMPTE in. This time code is in sync with the incoming SMPTE and can be used
to feed other devices in your studio or to clean up old SMPTE tracks. Copying SMPTE
code from track to track produces deterioration of the signal with each generation,
although one generation of dubbing will probably be OK.
Other Tips for using SMPTE
1. Use ascending time code. Jumps in the code are OK as long as the SMPTE code
jumps forward in time as the tape moves forward in time. A good way to avoid any
problems with this is to simply stripe the entire project with SMPTE before you
record any other tracks.
2. Allow enough leader. Leave a few seconds between each song to allow SMPTE to
sync up before the song starts.
Keep written logs. Keeping written records of song start points and edit cues can save
time and avoid wasteful searching through a project that was recorded earlier.
Example SMPTE Connection
In the diagram below, Cubase is controlling the entire system by sending MTC to the
Sync Card which converts MTC to SMPTE. SMPTE is fed to the ADAT/BRC to convey the
absolute time information (hours-minutes-seconds-frames). ADAT/BRC is the word
clock master, controlling the Digital Audio System either through the embedded clock
in the ADAT optical stream or using word clock.
The Sync Card should not be used as both the SMPTE and word clock master. Word
Clock is generated by the Digital Audio System and NOT by the software application
(Cubase). SMPTE is not locked to Word Clock inside the Sync Card—they are
completely independent.
SYNC
CARD
1010
CARD
ADAT Optical
carries embedded
word clock
ADOCK
ADAT
In
LTC
BRC
ADAT
REWIND FAST FWD STOP PLAY RECORD EJECT
MTC
PatchMix DSP set to
ADAT Sync
1 33 65 97
2 34 66 98
3 35 67 99
4 36 68 100
5 37 69 101
6 38 70 102
7 39 71 103
8 40 72 104
RECORD INPUT
9 41 73 105
10 42 74 106
11 43 75 107
12 44 76 108
13 45 77 109
14 46 78 110
15 47 79 111
16 48 80 112
RECORD INPUT
17 49 81 113
18 50 82 114
19 51 83 115
20 52 84 116
21 53 85 117
22 54 86 118
23 55 87 119
24 56 88 120
RECORD INPUT
25 57 89 121
26 58 90 122
27 59 91 123
28 60 92 124
29 61 93 125
30 62 94 126
31 63 95 127
32 64 96 128
RECORD INPUT
TRACK 1-32 TRACK 33-64 TRACK 65-96 TRACK 97-128
AUTO INPUT ALL SAFE ALL INPUT ALL CLEAR
GROUP 1 GROUP 2 GROUP 3 GROUP 4 SET GROUP LOCATE
SET LOCATE
LOCATE 0
SET LOCATELOCATE SONG LOAD SETUP
FROM TAPE
COPY SONGDELETE SONG SAVE SETUP TO TAPE
MIDI UTIL
PITCH MODE
PITCH DOWN
PITCH UP
NAME
SMPTE IN MIDI IN
FIXED VARIABLE
HOURS MINUTES SECONDS FRAMES CENTS
PITCH MODE
PITCH CONTROL TAPE LOCATION
CURSOR
AUTO-PUNCH
SMPTE SMPTE START OFFSET EXT SYNC
DISPLAY MODE RESET 0 FORMAT TAPE
DISPLAY TYPE EJECT
PRE-ROLL POST-ROLL
LOOP TAPE OFFSETTRACK DELAY
DIGITAL I/O
AUTO PLAY REHEARSE
GEN SYNC EDIT
COPY TAPE
LOCATION
7 STUV 8 WXYZ 0 (CHARS)
4 JKL 5 MNO 6 PQR
1 ABC 2 DEF 3 GHI
TEMPO MAP RECORD XFADE
NORMAL SMPTE BARS
BARS BEATS SUB BEATS ABSOLUTE RELATIVEE
DROP FRAME 30 FPS 29.97 FPS 25 FPS 24 FPS
M A S T E R R E M O T E C O N T R O L
R E C O R D P L A Y S T O P F A S T F O R W A R D R E W I N D
ADAT 9-pin
optional
if ADAT
sync isn't
used
Cubase