Alesis adat-m20 Manuel D’Utilisation
Table of Contents
iv
A
LESIS
M20 R
EFERENCE
M
ANUAL
1.06
13.11 Locate Before Play (Page 11) .................................................................................................... 4
13.12 Mute Until Lock (Page 12) ........................................................................................................ 4
13.13 Dynamic Punch (Page 13)......................................................................................................... 4
13.14 Track Groups (Page 14)............................................................................................................. 4
13.15 Save Data to Tape? (Page 15) ................................................................................................... 4
13.16 Load Data from Tape? (Page 16).............................................................................................. 5
13.17 Tape Type (Page 17) .................................................................................................................. 5
13.18 ID Status (Page 18) .................................................................................................................... 5
13.19 User Bits (Page 19)..................................................................................................................... 5
13.20 Error Rate (Page 20) .................................................................................................................. 6
13.21 Front Panel Software Version (Page 21) .................................................................................. 6
13.22 Software Version (Page 22)....................................................................................................... 6
13.12 Mute Until Lock (Page 12) ........................................................................................................ 4
13.13 Dynamic Punch (Page 13)......................................................................................................... 4
13.14 Track Groups (Page 14)............................................................................................................. 4
13.15 Save Data to Tape? (Page 15) ................................................................................................... 4
13.16 Load Data from Tape? (Page 16).............................................................................................. 5
13.17 Tape Type (Page 17) .................................................................................................................. 5
13.18 ID Status (Page 18) .................................................................................................................... 5
13.19 User Bits (Page 19)..................................................................................................................... 5
13.20 Error Rate (Page 20) .................................................................................................................. 6
13.21 Front Panel Software Version (Page 21) .................................................................................. 6
13.22 Software Version (Page 22)....................................................................................................... 6
The LRC Remote Control ................................................................................... 1
Tutorials and Applications................................................................................ 1
TUTORIAL 1: Multiple M20 Operation ............................................................................................. 1
Overview................................................................................................................................. 1
Synchronizing Machines........................................................................................................ 1
Automatic ID Renumbering .................................................................................................. 1
Master/Slave Interaction....................................................................................................... 2
Achieving Lock....................................................................................................................... 2
Independent Slave Mode....................................................................................................... 2
Synchronizing Machines........................................................................................................ 1
Automatic ID Renumbering .................................................................................................. 1
Master/Slave Interaction....................................................................................................... 2
Achieving Lock....................................................................................................................... 2
Independent Slave Mode....................................................................................................... 2
Formatting Multiple Tapes.................................................................................................................. 3
Master Format Enabled, Complete Format.......................................................................... 3
Master Format Enabled, Format Extend .............................................................................. 3
Master Format Disabled ........................................................................................................ 4
Master Format Disabled, Format Extend ............................................................................. 4
Master Format Enabled, Format Extend .............................................................................. 3
Master Format Disabled ........................................................................................................ 4
Master Format Disabled, Format Extend ............................................................................. 4
TUTORIAL 2: Making Digital Backups ............................................................................................. 5
Dealing with Damaged Tape................................................................................................. 6
Making a 16-bit copy from a 20-bit master .......................................................................... 6
Making a 16-bit copy from a 20-bit master .......................................................................... 6
TUTORIAL 3: Recording Digital Audio from Other Sources .......................................................... 7
Digital Clock Considerations ................................................................................................ 7
TUTORIAL 4: Combining M20s and ADATs.................................................................................... 8
M20 Transport Speed............................................................................................................. 8
Sample rate vs. Pitch Control ................................................................................................ 8
Input Monitoring.................................................................................................................... 8
Polarity Differences................................................................................................................ 9
Sample rate vs. Pitch Control ................................................................................................ 8
Input Monitoring.................................................................................................................... 8
Polarity Differences................................................................................................................ 9
TUTORIAL 5: Setting up Inputs ........................................................................................................10
TUTORIAL 6: Updating M20 Software ............................................................................................11
TUTORIAL 7: Using the M20 with Unbalanced Inputs and Outputs ............................................12
TUTORIAL 6: Updating M20 Software ............................................................................................11
TUTORIAL 7: Using the M20 with Unbalanced Inputs and Outputs ............................................12
M20 SMPTE Synchronization Overview.............................................................. 1
16.1 Synchronization Basics ................................................................................................................ 1
Master or Slave? ..................................................................................................................... 1
Digital Timing Requirements ................................................................................................ 1
Digital Timing Requirements ................................................................................................ 1
16.2 The One Clock Principle ............................................................................................................. 2
16.2a House Sync................................................................................................................... 2
16.2b “Genlocked” Time Code .............................................................................................. 2
16.2b “Genlocked” Time Code .............................................................................................. 2
16.3 Reference Counters vs. Clock Sources....................................................................................... 3
16.3a Location Reference ....................................................................................................... 3
16.3b Reference Clock ............................................................................................................ 3
16.3b Reference Clock ............................................................................................................ 3
16.3 Offsets in the M20 ....................................................................................................................... 5
16.3a SMPTE Chase Offset.................................................................................................... 5
16.3b Internal Generator ABS Offset..................................................................................... 6
16.3c Tape Offset ................................................................................................................... 6
16.3b Internal Generator ABS Offset..................................................................................... 6
16.3c Tape Offset ................................................................................................................... 6
16.4 SMPTE Time Code Rates and Types .......................................................................................... 7