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MOTU Micro Lite Руководство по эксплуатации онлайн [115/166] 776062
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SYNCHRONIZATION
115
If the LOCK and TACH lights do not behave as described,
your Express interface is not successfully locking to the
SMPTE time code. This could be a problem with the audio
connections between the tape deck and your Express
interface. It could also be that the SMPTE level is not high
enough. See Appendix C, “Troubleshooting and Customer
Support” page (147).
If the LOCK and TACH lights look OK, but the green
computer OUT LED is not glowing, this means that your
Express interface settings have been altered somehow such
that it is not sending MIDI time code to the computer. To
correct the settings, see Figure 8-1.
Time code display
ClockWorks displays a running update of time code when
the Express interface is converting time code.
Routing MIDI Time Code to other devices
At times, you may need to route MIDI Time Code to a
device connected to one of your Express interface’s MIDI
OUTs. To make time code routings such as these, see “The
MTC In and MTC Out connections” on page 34 (or
page 70 for Mac OS 9 users).
Freewheeling to avoid time code dropouts
When your Express interface encounters a drop-out —a
series of missing or unreadable frames—in the SMPTE
time code, it “freewheels” past them, pretending that they
were not missing by briefly generating its own code to
make up for the missing frames. The default freewheel
value is 4 frames. This means that your Express interface
will continue to generate time code for four more frames
after it stops receiving time code. If it does not receive any
more time code after four frames, it will stop converting.
The factory default base setups have the freewheeling
feature set to 4 frames for fastest response when you stop
the tape deck. The Freewheel amount can be adjusted up
to 32 frames. This allows your Express interface to
maintain lockup even over lengthy SMPTE drop outs.
If you encounter a time code drop out that causes your
Express interface to stop converting for a moment, try
increasing the freewheel amount in ClockWorks. Try
adding just a few frames at a time when adjusting the
amount.
Содержание
- Mark of the unicorn inc 1
- Midi express xt midi express 128 micro express micro lite 1
- User guide 1
- Adapter 2
- Figure a 2
- Figure b 2
- Grounding lug 2
- Grounding prong 2
- Make sure this is connected to a known ground 2
- Prong plug 2
- Properly grounded 3 prong outlet 2
- Safety precautions and electrical requirements 2
- Two prong receptacle 2
- Copyright notice 3
- General 3
- License 3
- Limited warranty 3
- Limited warranty on hardware 3
- Mark of the unicorn license agreement and limited warranty on software 3
- Update policy 3
- Clockworks for mac os 9 4
- Clockworks for mac os x 4
- Contents 4
- Freemidi and oms 4
- Front panel presets 4
- Glossary 4
- Installing the motu usb midi software 4
- Installing your motu interface 4
- Midi machine control 4
- Packing list and computer requirements 4
- Part i for all users 4
- Part ii for xt micro users 4
- Part iii appendices 4
- Smpte synchronization basics 4
- Synchronization 4
- Troubleshooting and customer support 4
- Using midi software 4
- Chapter 1 7
- Computer requirements 7
- Midi cables not included 7
- Packing list 7
- Packing list and computer requirements 7
- Please register today 7
- Thank you for choosing motu 7
- Familiarity with your computer 8
- Getting started 8
- Midi software compatibility 8
- Visit motu com for software updates 8
- Chapter 2 9
- Connecting the computer 9
- Connecting the power cord 9
- Installing your motu interface 9
- Overview 9
- Connecting midi gear 10
- Here s a suggestion if you have more than a few pieces of gear connected to your motu midi interface jot down which device is connected to each input and output in the worksheet below later on you ll enter this information into your software so you can refer to devices by name 11
- Interface this means that they share the same set of 16 midi channels so try to do this with devices that receive on only one midi channel such as effects modules so their receive channels don t conflict with one another 11
- Midi connections worksheet 11
- Smpte time code sync connections 12
- Connecting a foot switch 14
- Connecting an audio click source 14
- Connecting multiple usb interfaces 15
- What next 16
- Chapter 3 17
- Installing the motu usb midi software 17
- Overview 17
- Software installation for mac os x 17
- Software installation for mac os 9 20
- Creating a freemidi or oms setup 21
- Custom 21
- Daisy chaining midi devices 21
- Freemidi and oms are industry standard midi system extensions for mac os 9 they allow midi software to talk to your motu interface and the devices connected to it they also provide unified midi system configuration for example they supply your midi software with a list of midi devices connected to your motu usb midi interface as a final step in the software installation process you need to run the freemidi or oms setup utility to specify what devices are connected to your motu usb interface for complete details see appendix d freemidi and oms page 151 21
- If you have no choice but to daisy chain you need to configure each device such that it doesn t share any midi channels with other devices in the chain otherwise you ll 21
- In general daisy chain midi devices as shown in figure 3 5 on page 22 should be avoided because it is more complicated to set up than connecting each device directly to your motu interface 21
- Install option for further information 21
- Primary components of the install the information in this table is subject to change check the installer itself under the 21
- Where to go next 23
- All cables port 25
- Chapter 4 25
- Midi inputs and outputs 25
- Using midi software 25
- As for midi data arriving and leaving your computer via the motu usb midi interface driver imagine it coming and going from the motu interface as shown in figure 4 2 all channelizing and filtering is applied before the input data arrives at the computer and after it is sent 26
- From the computer this is a great advantage as it frees up your computer and midi software from having to deal with the mundane and time consuming chore of such processing just configure your motu interface and let it do all the work 26
- The midi data path 26
- About clockworks 29
- Chapter 5 29
- Clockworks for mac os x 29
- Overview 29
- The file menu 31
- The clockworks window 32
- The device list 32
- The routings tab 33
- The presets tab 36
- The mutings tab 37
- The mappings tab 40
- Synchronization and midi machine control 41
- Sync tab settings 44
- The pedal tab 48
- Future updates 51
- Chapter 6 53
- Clockworks for mac os 9 53
- Opening clockworks 53
- Overview 53
- If your motu interface doesn t appear 54
- Clockworks basics 55
- The device list window 55
- Memory meter 59
- Obtaining the rom version 59
- Working with files 60
- Device settings routing 63
- Device settings routing window for the micro express 64
- Device settings routing window for the midi express xt 64
- Naming devices with freemidi or oms if you configured your freemidi or oms setup to accurately reflect the names of the devices connected to your interface you ll see device names as shown below in figure 6 9 these device names are also displayed in other windows throughout clockworks including the channel mapping event muting knobs pedals patch list midi cannon and setups modifiers windows 64
- Channel map 74
- Muting 75
- Sync and midi machine control 78
- Smpte reader 86
- Utilities menu 90
- Assign a midi patch change number to each preset so that it can be called up from a sequencer controller or foot switch 92
- Change the names of the eight user presets 92
- Make modifications to the preset settings 92
- The presets window 92
- The presets window in clockworks as shown in figure 6 40 gives you an overview of information about all the presets it lets you 92
- View an itemized description of each preset 92
- Switching presets using a patch change 94
- Modifying a preset 96
- Working with a foot pedal 97
- Setting up the foot switch output data if you choose foot switch from the pedal type pop up menu the window displays the data for the foot switch as shown in figure 6 44 on page 97 100
- The data sequence list lets you build a series of midi data events here is a summary of what you can do 100
- To do this do this 100
- Chapter 7 107
- Factory versus user presets 107
- Front panel presets 107
- Overview 107
- Selecting a preset on an express xt 107
- Factory presets 108
- Selecting a preset on a micro express 108
- User presets 112
- Accessing sync settings 113
- Chapter 8 113
- If you are new to smpte sync 113
- Overview 113
- Synchronization 113
- Syncing your express interface to smpte 113
- Slaving a sequencer to smpte 116
- Striping smpte 118
- Ltc mode 119
- Mtc mode 122
- Chapter 9 123
- How mmc works 123
- Midi machine control 123
- Overview 123
- Preparing software for mmc 125
- Setting mmc device id s 125
- Setting up other mmc devices 125
- Using software as an mmc controller 126
- Using an mmc control surface 129
- Using other devices as a controller 130
- Address track 133
- Appendix a 133
- Burn in window 133
- Cable routing 133
- Control track 133
- Crosstalk 133
- Default 133
- Drop frame 133
- Glossary 133
- Drop out 134
- Flywheeling 134
- Freemidi 134
- Freewheeling 134
- Genlock 134
- Guard track 134
- Hard record 134
- Horizontal blanking 134
- House sync 134
- Input cable 134
- Insert record 134
- Jam sync 135
- Network 135
- Non drop frame 135
- Output cable 136
- Pal secam 136
- Script 136
- Sequencer 136
- Smpte time code 136
- Smpte to midi converter 136
- Striping 136
- Switcher special effect generator 136
- Synchronizer 137
- Time code generator 137
- Time code window 137
- Universal serial bus 137
- User bits 137
- Vertical blanking 137
- Video field 137
- Video frame 137
- Appendix b 139
- Overview 139
- Smpte synchronization basics 139
- What is smpte 139
- What is synchronization 139
- Two forms of smpte ltc versus vitc 140
- What is ltc 140
- What is vitc 140
- The benefits of vitc over ltc 141
- Frame rates 142
- Should i use ltc or vitc 142
- What is drop frame 142
- Why does drop frame exist 143
- How does a motu synchronizer work 144
- How does smpte synchronization work 144
- Should i use drop frame 144
- What is midi time code 144
- Locking a motu interface to smpte 145
- Appendix c 147
- Common problems and solutions 147
- Troubleshooting and customer support 147
- Troubleshooting 148
- Customer support 149
- Replacing disks 149
- Technical support 149
- Appendix d 151
- Freemidi and oms 151
- Freemidi or oms 151
- Freemidi 152
- Freemidi and oms separately 157
- Oms with freemidi using oms 158
- How the motu usb midi drivers work 159
- Toggling freemidi s use of oms 159
- 120 134 162
- 135 140 162
- 151 156 157 159 163
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