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MOTU 8451 User Manual
MOTU 8451 UltraLite AVB 18 x 18 USB Audio Interface
User Manual
For 8451.
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Title Page
Quick Start Guide
UltraLite AVB Front Panel
UltraLite AVB Rear Panel
MOTU AVB Control Web App
Overview
Itâs not on your hard drive
Use your favorite web browser
Control from multiple devices
Run the installer, get the app
Make hardware and network connections
Launching the web app
Obtaining the UltraLite AVBâs IP address
Device tab
Device tab (continued)
Routing tab
Mixing tab
Aux Mixing tab
Mixer input channel strips
Main Mix and Monitor channel strips
Aux bus channel strips
Group and Reverb channel strips
1 About the UltraLite AVB
Comprehensive I/O
Network I/O
Other MOTU AVB interfaces
Universal connectivity
On-board DSP with mixing and effects
32-bit floating point processing
Modeled vintage effects processing
AVB system expansion and audio networking
Matrix routing and multing
Web app control
Stand-alone mixing with wireless control
ADAT digital input
MIDI I/O
Comprehensive metering
Headphone output
Precision Digital Trimâ¢
Rack mount or desktop operation
AudioDesk
2 Packing List and System Requirements
Packing List
System Requirements
Please register today!
3 Software Installation
Overview
USB 2.0 class-compliant operation
Operation as an AVB Ethernet audio interface
Software installation
Download and run the MOTU AVB Audio Installer
Audio drivers
MOTU AVB USB ASIO Driver
MOTU AVB Discovery app for Mac
MOTU AVB WebUI Setup for Windows
MOTU AVB USB Control Panel
USB Streaming Mode
ASIO Buffer Size
MIDI I/O on Windows
MIDI I/O setup on the Mac
Launching Audio MIDI Setup
Connecting MIDI devices to the UltraLite AVB
AudioDesk workstation software
Working with host audio software
4 Hardware Installation
Overview
USB audio interface setup
AVB Ethernet audio interface setup
About CAT-5e cables
Setup for two interfaces
Setup for three to five interfaces
Setup for a multi-switch network
Setup for multiple interfaces
Connecting multiple interfaces using Thunderbolt
Connecting multiple interfaces using Thunderbolt and USB
Multiple interfaces and USB
Multiple AVB Ethernet audio interfaces
Mixing and matching audio interfaces
Setup for web app control
Web app control can be set up independently of audio connections
Mixing and matching web app control scenarios
Launching the web app
Web app control over USB
Web app control through standard Ethernet
A typical UltraLite AVB setup
Audio connections
Mic inputs with preamps
Guitar inputs
TRS quarter-inch analog inputs and outputs
Analog trims
Optical I/O
MIDI connections
One-way MIDI connections
Connecting additional gear with MIDI THRUs
MIDI Thru when operating stand-alone
Syncing an AVB network
Choosing a master clock
Resolving the master clock device to an external clock source
Syncing multiple AVB audio interfaces connected to a Mac
5 Presets
Overview
Preset menu
Create your own presets
Video tutorials
Audio interface
Stand-alone mixer
Interface + mixer
Live recording with monitor mixing
Stage I/O
Stage I/O with mixing
Studio input expander
Studio output expander
Optical converter
Optical converter with mixing
6 The Front Panel LCD
Overview
Level meters
Push-button Knobs
Power and ID
Channel focus
Main volume
Meters
Menu Navigation
Main Menu
Device menu
Network menu
Settings menu
Presets menu
Version menu
Clock
Stand-alone operation
7 Working with Host Audio Software
Overview
Preparation
Run the web app
Sample rate
Clock Mode
Enabling and disabling input/output banks
Specifying the number of computer channels
Making inputs and outputs available to your host software
Configuration presets
Naming computer input and output channels
Streaming computer audio to and from the onboard mixer
Working with AVB network streams
Mirroring computer channels to multiple outputs
Combining multiple sources to one output
Routing grid tutorials
Choosing the MOTU AVB Audio driver
For Mac OS X audio software
For Windows audio software
Where to go in popular audio hosts
Other audio software
Reducing monitoring latency
Monitoring through the UltraLite AVB
Direct hardware playthrough / Direct ASIO monitoring
Monitoring through your host audio software
Adjusting your host software audio buffer
Adjusting buffer size on Mac OS X
Adjusting buffer size on Windows
Lower latency versus higher CPU overhead
Transport responsiveness
Effects processing and automated mixing
Working with on-board mixing and effects
8 Mixer Effects
Overview
Powerful DSP-driven mixing and effects
Advantages over host-based mixing and processing
High Pass Filter
Gate
Four-band parametric EQ
Vintage EQ
Enabling EQ
EQ filter controls
Double-click a knob to return to its default position.
EQ filter characteristics
Low and high shelf filters
Compressor
Leveler
A model of an optical compressor
Automatic gain control using light
Response characteristics
Enabling or disabling the Leveler
Gain Reduction
Makeup Gain
Limit button
Reverb
Routing inputs and groups to the reverb processor
Reverb Time
Predelay
Spread
High and Mid frequency bands
DSP Usage
9 Networking
Overview
About AVB
MOTUâs AVB implementation
Networking examples
Personal studio expansion
Studio installation
Large studio facility
Concert systems
Large-scale venues
A quick guide to networking
Networking basics
Working with AVB switches
Working with computers on a network
Setting up a MOTU AVB interface for networking
Mapping audio to network streams
Mapping computer channels to network streams
Bridging to Ethernet
The MOTU AVB Switch
A Troubleshooting
Customer Support
Technical Support
B Audio Specifications
C Mixer Schematics
Mono input channel
Stereo input channel
Group bus
Monitor bus
D Updating Firmware
A network cable connection is required
Updating with internet access
Updating off-line, without internet access
Viewing the latest firmware version information
Why does the firmware update require a network cable?
E OSC Support
Index
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Contents
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aLite A
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User Guide
1280 Massac
husetts
A
ven
ue
Camb
r
idge,
MA 02138
Business v
oic
e: (617) 576-2760
Business fax:
(617) 576-3609
W
e
b site:
www
.motu.c
om
T
ech su
pport: www
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om/sup
port
Ti
t
l
e
P
a
g
e
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File type: PDF
File name: 49376753_8451.pdf
File size: 4.53 MB
File Language: English
Pages: 86
Author: MOTU
File created: 2015-02-13
Published:
2023-09-04
Updated: 2023-09-04
Download File
Other documents for MOTU 8451
The following documents are available:
User Manual
User Manual - (English)
Read Online
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Download pdf
Photos
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Specifications
Brand:
MOTU
Model: 8451
Category:
Audio
View in the file:
Full Specifications
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Table of Contents
×
Title Page
1
Quick Start Guide
7
UltraLite AVB Front Panel
9
UltraLite AVB Rear Panel
10
MOTU AVB Control Web App
11
Overview
11
Itâs not on your hard drive
11
Use your favorite web browser
11
Control from multiple devices
11
Run the installer, get the app
11
Make hardware and network connections
11
Launching the web app
11
Obtaining the UltraLite AVBâs IP address
11
Device tab
12
Device tab (continued)
13
Routing tab
14
Mixing tab
15
Aux Mixing tab
16
Mixer input channel strips
17
Main Mix and Monitor channel strips
18
Aux bus channel strips
19
Group and Reverb channel strips
20
1 About the UltraLite AVB
21
Comprehensive I/O
21
Network I/O
21
Other MOTU AVB interfaces
21
Universal connectivity
21
On-board DSP with mixing and effects
21
32-bit floating point processing
21
Modeled vintage effects processing
22
AVB system expansion and audio networking
22
Matrix routing and multing
22
Web app control
22
Stand-alone mixing with wireless control
22
ADAT digital input
22
MIDI I/O
22
Comprehensive metering
22
Headphone output
22
Precision Digital Trimâ¢
23
Rack mount or desktop operation
23
AudioDesk
23
2 Packing List and System Requirements
25
Packing List
25
System Requirements
25
Please register today!
25
3 Software Installation
27
Overview
27
USB 2.0 class-compliant operation
27
Operation as an AVB Ethernet audio interface
27
Software installation
27
Download and run the MOTU AVB Audio Installer
28
Audio drivers
28
MOTU AVB USB ASIO Driver
28
MOTU AVB Discovery app for Mac
28
MOTU AVB WebUI Setup for Windows
28
MOTU AVB USB Control Panel
28
USB Streaming Mode
28
ASIO Buffer Size
28
MIDI I/O on Windows
29
MIDI I/O setup on the Mac
29
Launching Audio MIDI Setup
29
Connecting MIDI devices to the UltraLite AVB
29
AudioDesk workstation software
30
Working with host audio software
30
4 Hardware Installation
31
Overview
31
USB audio interface setup
31
AVB Ethernet audio interface setup
32
About CAT-5e cables
32
Setup for two interfaces
32
Setup for three to five interfaces
33
Setup for a multi-switch network
34
Setup for multiple interfaces
35
Connecting multiple interfaces using Thunderbolt
35
Connecting multiple interfaces using Thunderbolt and USB
35
Multiple interfaces and USB
35
Multiple AVB Ethernet audio interfaces
35
Mixing and matching audio interfaces
35
Setup for web app control
36
Web app control can be set up independently of audio connections
36
Mixing and matching web app control scenarios
36
Launching the web app
36
Web app control over USB
36
Web app control through standard Ethernet
36
A typical UltraLite AVB setup
38
Audio connections
39
Mic inputs with preamps
39
Guitar inputs
39
TRS quarter-inch analog inputs and outputs
39
Analog trims
39
Optical I/O
39
MIDI connections
40
One-way MIDI connections
40
Connecting additional gear with MIDI THRUs
40
MIDI Thru when operating stand-alone
40
Syncing an AVB network
41
Choosing a master clock
41
Resolving the master clock device to an external clock source
41
Syncing multiple AVB audio interfaces connected to a Mac
41
5 Presets
45
Overview
45
Preset menu
45
Create your own presets
45
Video tutorials
45
Audio interface
45
Stand-alone mixer
46
Interface + mixer
46
Live recording with monitor mixing
47
Stage I/O
47
Stage I/O with mixing
47
Studio input expander
48
Studio output expander
48
Optical converter
48
Optical converter with mixing
48
6 The Front Panel LCD
49
Overview
49
Level meters
49
Push-button Knobs
49
Power and ID
49
Channel focus
49
Main volume
49
Meters
49
Menu Navigation
49
Main Menu
50
Device menu
50
Network menu
50
Settings menu
50
Presets menu
50
Version menu
50
Clock
50
Stand-alone operation
50
7 Working with Host Audio Software
51
Overview
51
Preparation
51
Run the web app
51
Sample rate
51
Clock Mode
51
Enabling and disabling input/output banks
51
Specifying the number of computer channels
52
Making inputs and outputs available to your host software
52
Configuration presets
52
Naming computer input and output channels
53
Streaming computer audio to and from the onboard mixer
53
Working with AVB network streams
54
Mirroring computer channels to multiple outputs
54
Combining multiple sources to one output
54
Routing grid tutorials
54
Choosing the MOTU AVB Audio driver
54
For Mac OS X audio software
54
For Windows audio software
54
Where to go in popular audio hosts
54
Other audio software
54
Reducing monitoring latency
55
Monitoring through the UltraLite AVB
55
Direct hardware playthrough / Direct ASIO monitoring
55
Monitoring through your host audio software
55
Adjusting your host software audio buffer
56
Adjusting buffer size on Mac OS X
56
Adjusting buffer size on Windows
56
Lower latency versus higher CPU overhead
56
Transport responsiveness
57
Effects processing and automated mixing
57
Working with on-board mixing and effects
57
8 Mixer Effects
59
Overview
59
Powerful DSP-driven mixing and effects
59
Advantages over host-based mixing and processing
59
High Pass Filter
59
Gate
60
Four-band parametric EQ
60
Vintage EQ
60
Enabling EQ
60
EQ filter controls
60
Double-click a knob to return to its default position.
60
EQ filter characteristics
60
Low and high shelf filters
61
Compressor
61
Leveler
62
A model of an optical compressor
62
Automatic gain control using light
62
Response characteristics
62
Enabling or disabling the Leveler
63
Gain Reduction
63
Makeup Gain
63
Limit button
63
Reverb
63
Routing inputs and groups to the reverb processor
63
Reverb Time
63
Predelay
63
Spread
63
High and Mid frequency bands
63
DSP Usage
64
9 Networking
65
Overview
65
About AVB
65
MOTUâs AVB implementation
66
Networking examples
66
Personal studio expansion
66
Studio installation
67
Large studio facility
67
Concert systems
67
Large-scale venues
67
A quick guide to networking
68
Networking basics
68
Working with AVB switches
68
Working with computers on a network
68
Setting up a MOTU AVB interface for networking
69
Mapping audio to network streams
69
Mapping computer channels to network streams
69
Bridging to Ethernet
69
The MOTU AVB Switch
70
A Troubleshooting
73
Customer Support
74
Technical Support
74
B Audio Specifications
75
C Mixer Schematics
77
Mono input channel
77
Stereo input channel
78
Group bus
79
Monitor bus
80
D Updating Firmware
81
A network cable connection is required
81
Updating with internet access
81
Updating off-line, without internet access
82
Viewing the latest firmware version information
82
Why does the firmware update require a network cable?
82
E OSC Support
83
Index
85
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