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Многоканальная система записи
828x
Руководство по эксплуатации Страница: 3

MOTU 828x [3/126] Contents

III

Contents

Part 1: Getting Started

Quick Reference: 828x Front Panel

Quick Reference: 828x Rear Panel

Quick Reference: MOTU Audio Console

About the 828x

Packing List and System Requirements

Installing the 828x Software

Installing the 828x Hardware

Part 2: Using the 828x

MOTU Audio Console

Front Panel Operation

Configuring Host Audio Software

Reducing Monitoring Latency

CueMix FX

113

MOTU SMPTE Console

Part 3: Appendices

119

Troubleshooting

121

Audio I/O reference

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User guide for windows 1
About the mark of the unicorn license agreement and limited warranty on software 2
Copyright notice 2
Limited warranty on hardware 2
Reminder of the terms of your license 2
Update policy 2
About the 828x 3
Audio i o reference 3
Configuring host audio software 3
Contents 3
Cuemix fx 3
Front panel operation 3
Installing the 828x hardware 3
Installing the 828x software 3
Motu audio console 3
Motu smpte console 3
Packing list and system requirements 3
Part 1 getting started 3
Part 2 using the 828x 3
Part 3 appendices 3
Quick reference 828x front panel 3
Quick reference 828x rear panel 3
Quick reference motu audio console 3
Reducing monitoring latency 3
Troubleshooting 3
Ac input 4
Adapter 4
Caution read this safety guide before you begin installation or operation failure to comply with safety instructions could result in bodily injury or equipment damage 4
Caution to reduce the risk of electrical shock do not remove cover no user serviceable parts inside refer servicing to qualified service personnel 4
Environment 4
Figure a figure b 4
Grounding lug 4
Grounding prong 4
Hazardous volages contact may cause electric shock or burn turn off unit before servicing 4
If you are not sure that your outlet box is properly grounded have it checked by a qualiﬁed electrician note the adapter illustrated is for use only if you already have a properly grounded two prong receptacle adapter is not allowed in canada by the canadian electrical code use only three wire extension cords which have three prong grounding type plugs and three prong receptacles which will accept the motu 828x plug 4
Important safeguards 4
Make sure this is connected to a known ground 4
Prong plug 4
Properly grounded 3 prong outlet 4
Safety precautions and electrical requirements 4
The motu 828x is equipped with a three conductor cord and grounding type plug which has a grounding prong approved by underwriters laboratories and the canadian standards association this plug requires a mating three conductor grounded type outlet as shown in figure a below if the outlet you are planning to use for the motu 828x is of the two prong type do not remove or alter the grounding prong in any manner use an adapter as shown below and always connect the grounding lug to a known ground it is recommended that you have a qualiﬁed electrician replace the two prong outlet with a properly grounded three prong outlet an adapter as illustrated below in figure b is available for connecting plugs to two prong receptacles 4
To reduce the risk of electrical shock or fire 4
Two prong receptacle 4
Warning do not permit fingers to touch the terminals of plugs when installing or removing the plug to or from the outlet 4
Warning if not properly grounded the motu 828x could cause an electrical shock 4
Warning the green grounding lug extending from the adapter must be connected to a permanent ground such as to a properly grounded outlet box not all outlet boxes are properly grounded 4
Warning to reduce the risk of fire or electrical shock do not expose this appliance to rain or other moisture 4
12 13 14 15 16 7
3 1 4 5 6 7 8 9 7
Quick reference 828x front panel 7
Quick reference 828x rear panel 8
Chapter 9
How to access these settings 9
Quick reference motu audio console 9
About the 828x 11
Chapter 11
Overview 11
The 828x rear panel 12
The 828x front panel 14
Bit and 24 bit recording 15
Cuemix fx 32 bit floating point mixing and effects 15
Host audio software 16
Chapter 17
Packing list 17
Packing list and system requirements 17
Please register today 17
Windows system requirements 17
Chapter 19
Installation 19
Installing the 828x software 19
Overview 19
Cuemix fx 20
Motu audio console 20
Motu audio drivers 20
Motu midi driver 20
Motu smpte console 20
Chapter 21
Connect the 828x interface 21
Installing the 828x hardware 21
Overview 21
Connect audio inputs and outputs 23
Connect a foot switch 27
Connect midi gear 27
A typical 828x setup 28
Headphone outs or any other output pair you can control monitoring either from the front panel or from the included cuemix fx software the two front panel guitar mic inputs can be routed to outboard effects processors such as a compressor eq or reverb via the rear panel sends 28
Here is a typical 828x studio setup this rig can be operated without an external mixer all mixing and processing can be done in the computer with audio software during recording you can use the 828x s cuemix fx no latency monitoring to listen to what you are recording via the main outs 28
Operating the 828x as a converter 29
Making sync connections 30
Syncing to smpte timecode 31
The 828x system can resolve directly to smpte timecode it can also generate timecode and word clock under its own clock or while slaving to timecode therefore the 828x can act both as an audio interface and as a digital audio synchronizer to which you can slave other digital audio devices you can use the 828x to slave your audio software to smpte as well via sample accurate sync if your host software supports it 31
On the other hand when you transfer audio from the s pdif device into the 828x you ll have to slave the 828x to its s pdif input if you have other digital audio devices connected to the 828x and they are not slaved directly to the 828x itself you may hear clicks and pops resulting from their unsynchronized audio clock if so just turn them off during the transfer 32
S pdif devices will sync to the 828x in one of two ways 32
S pdif devices with no word clock if your s pdif device has no word clock sync connectors just connect it to the 828x via the s pdif connectors when the device records s pdif audio from the 828x it will simply synchronize to the clock provided by the audio input 32
S pdif devices with word clock if your s pdif device has a word clock input slave the s pdif device to the 828x via their word clock connection you can then freely transfer audio between the 828x and the s pdif device 32
Syncing s pdif devices 32
Via the s pdif connection itself 32
Via word clock 32
Syncing word clock devices 33
Accessing the 828x settings 37
Chapter 37
Motu audio console 37
Overview 37
General tab settings 38
X tab settings 41
Chapter 43
Front panel operation 43
Main volume 43
Mic guitar inputs 43
Overview 43
Meters and status leds 44
Phones 44
Multi function lcd display 45
Push button rotary encoders 45
Audio menu 46
X setup menu 46
Cuemix menu 47
Channel page param 50
Inputs menu outputs menu 50
Mic only 50
All settings including all mix settings and global settings are saved in the 828x s memory and they remain in effect even when the 828x is not connected to a computer this allows you to use the 828x as a stand alone 8 bus mixer you can make adjustments to any setting at any time from the front panel 51
Channel page param 51
Mixes menu 51
Reverb menu 51
Stand alone operation 51
Chapter 53
Conﬁguring host audio software 53
Overview 53
Preparation 53
Run motu audio console 53
Choosing the motu audio driver 54
Processing live inputs with host plug ins 58
Reducing latency 58
Working with 828x inputs and outputs 58
Synchronization 59
Using a foot switch 59
Working with cuemix fx mixing and effects 59
Chapter 61
Overview 61
Reducing monitoring latency 61
Monitoring live input 62
Adjusting the audio i o buffer 63
Cuemix fx hardware monitoring 64
Two methods for controlling cuemix fx 64
A 16 bus mixer with eq compression and reverb 67
Chapter 67
Cuemix fx 67
Overview 67
Advantages over host based mixing and processing 68
Cuemix fx basic operation 68
Opening cuemix fx 68
Channel speciﬁc settings channel strip eq and dynamics plus the global meter bridge and reverb processor 69
Global reverb processor the 828x has a global reverb module figure 9 23 on page 87 once it has been activated you can feed signals to the reverb processor from various points in the 828x mix matrix via input sends bus sends and output sends stereo output from the reverb processor can then be fed back to mix busses or output pairs using reverb returns 69
Other features cuemix offers many additional features discussed in this chapter such as talkback listenback extensive metering graphic editing of certain effects parameters and more 69
Widening the cuemix fx window to view more input faders at once resize the window 69
The mixes tab 70
The inputs tab 72
The outputs tab 74
The channel settings section 76
Composite curve white line 79
Eq ﬁlter 79
Filter display options menu 79
Filter enable disable 79
Filter handle 79
Filter response display 79
Filter type 79
Individual ﬁlter curve 79
Low high pass ﬁlter 79
Parameter display 79
Q handle 79
Vertical scale 79
The monitor group 89
Dsp meter 90
Solo light 90
Talkback and listenback 90
Shortcuts 91
Edit menu 92
File menu 92
Devices menu 93
Fft and spectrogram display 93
Oscilloscope 96
Click and drag this value up or down to set it or double click to return to the default value 99
Color status 99
Holdoff holdoff deﬁnes a time interval during which the oscilloscope does not trigger the most recent trace will be displayed during that period when the period is over the trigger is re armed i e it will begin looking for the criteria again 99
Measurement information you can view detailed information about a particular time range by using the measurement bars 99
Trigger indicator the trigger indicator figure 9 40 on page 98 displays the state of the trigger and also provides a way to manually interact with it the trigger indicator always displays one of three colors 99
Trigger modes the trigger menu figure 9 40 on page 98 provides four modes 99
Trigger modewhat it does 99
You can also click on the trigger indicator to force certain actions depending on the trigger mode in auto and normal modes clicking on the trigger indicator causes the display to run freely you may click hold to force this to occur for as long as you d like in single sweep mode clicking on the trigger indicator re arms the trigger when the trigger mode is none clicking on the trigger indicator has no effect 99
X y plot 102
Phase analysis 105
Arrows 109
Detected frequency 109
Detected note 109
Meter value 109
Reference frequency 109
Configurations menu 110
Phones menu 110
Talkback menu 110
Control surfaces menu 111
Chapter 113
Clock address 113
Frame rate 113
Motu smpte console 113
Overview 113
Reader section 114
Generator section 115
Resolving cubase or nuendo to time code 115
Setting up for smpte time code sync 115
Appendix 119
Customer support 119
Troubleshooting 119
Replacing discs 120
Technical support 120
Appendix 121
Audio i o reference 121
Inputs at 1x sample rates inputs are always listed in the same order as follows when operating the 828x at 1x sample rates 44 or 48 khz 121
Inputs at 2x sample rates when operating the 828x at a 2x sample rate 88 or 96 khz inputs are listed as follows 121
Inputs at 4x sample rates when operating the 828x at a 4x sample rate 176 or 192 khz inputs are listed as follows 121
Overview 121
The following sections show how you can identify each input and output in a numbered list like this 121
The motu audio drivers supply text string labels for the 828x s audio inputs and outputs to clearly identify each one but some applications do not display these labels 121
Output 176 192 khz channels list position comment 122
Output 44 48 khz channels list position comment 122
Output 88 96 khz channels list position comment 122
Outputs at 1x sample rates outputs are always listed in the same order as follows when operating the 828x at 1x sample rates 44 or 48 khz 122
Outputs at 2x sample rates when operating the 828x at a 2x sample rate 88 or 96 khz outputs are listed as follows 122
Outputs at 4x sample rates when operating the 828x at a 4x sample rate 176 or 192 khz outputs are listed as follows 122
67 112 123
54 61 63 64 68 124
40 54 63 125
43 44 122 125
13 30 32 126

MOTU 828x [3/126] Contents

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