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Dolby Laboratories Lake LP4D12 User Manual
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Dolby
®
Lake
®
Processor System
Manual
Issue 3
Part Number 911001
Dolby
®
Lake
®
Processor System
Manual
Issue 3
Part Number 911001
2
Table of Contents
Regulatory Notices
3
Table of Contents
7
List of Figures
10
Chapter 1 Introduction
13
Introduction
13
Manual Overview
13
Product Specifications
15
Chapter 2 Hardware Configurations
17
Introduction
17
Factory Configurations
17
Configuration Naming Conventions
17
Dolby Lake Processor LPD
17
Figure 2-1 Dolby Lake Processor LPD Configuration
17
Dolby Lake Processor LP4D4
18
Dolby Lake Processor LP8D8
18
Figure 2-2 Dolby Lake Processor LP4D4 Configuration
18
Figure 2-3 Dolby Lake Processor LP8D8 Configuration
18
Dolby Lake Processor LP4D8
19
Dolby Lake Processor LP4D12
19
Supported Configurations
19
Figure 2-4 Dolby Lake Processor LP4D8 Configuration
19
Figure 2-5 Dolby Lake Processor LP4D12 Configuration
19
Table 2-1 Additional Dolby Lake Processor Configurations
20
Chapter 3 Signal Processing Configurations
21
Loudspeaker Processor Configuration
22
Figure 3-1 4×12 Loudspeaker Processor Configuration
22
System Equalizer Configuration
23
Figure 3-2 8×8 System Equalizer Configuration
23
Loudspeaker Processor or System Equalizer Configuration
24
Figure 3-3 Loudspeaker Processor/System Equalizer Configuration
24
Chapter 4 Front-Panel Interface
25
Front-Panel Connectivity and Power
25
Ambient Light Sensor
25
Figure 4-1 Front-Panel Connector and Power Button
25
Ethernet Port
26
Ethernet Activity Indicators
26
Infrared Transceivers
26
Standby Power Button
26
Global Function Buttons
26
Mute Enable
27
Meter View
27
Menu Mode
27
Figure 4-2 Front-Panel Global Function Buttons
27
Portal Meter Display
28
Figure 4-3 Dolby Lake Processor Front Panel
28
Figure 4-4 Portal Display and Functionality
28
Figure 4-5 Level Metering in Action
29
Meter Modes
30
Figure 4-6 Output Metering Mode (Default)
30
Menu Mode
31
Figure 4-7 Physical Input Meters
31
Figure 4-8 Module Input Meters
31
Figure 4-10 Main Menu
32
Figure 4-11 Edit Menu
32
Figure 4-9 Portal Reference Numbers
32
Main Menu
32
Main Menu Edit Menu
32
Figure 4-12 Parametric EQ Edit Menu
33
Main Menu Edit Menu PEQ Edit
33
Figure 4-13 PEQ Edit Portal 2
34
Figure 4-14 PEQ Edit Portals 3 and 4
34
Figure 4-15 PEQ Edit Menu for Mesa Filter
34
Figure 4-16 Graphic EQ Edit Menu
35
Figure 4-17 GEQ Edit Overlay Insert/Bypass
35
Figure 4-18 Overlay Insert/Bypass Portal 2
35
Main Menu Edit Menu GEQ Edit
35
Figure 4-19 EQ GEQ Gain Edit Portal 3
36
Figure 4-20 Levels Edit
36
Main Menu Edit Menu Levels
36
Figure 4-21 Presets Menu
37
Figure 4-22 Utility Menu
37
Main Menu Presets Menu
37
Main Menu Utility Menu
37
Main Menu Utility Menu Reset Processor Menu
38
Confirmation Menus
38
Figure 4-23 Reset Processor Menu
38
Main Menu Confirmation Menus
38
Figure 4-24 Partial Reset Confirmation Menu
39
Figure 4-25 Factory Reset Confirmation Menu
39
Figure 4-26 Processor Reset Confirmation Display
39
Processor Reset Confirmation Display
39
Figure 4-27 Technical Information Menu
40
Figure 4-28 Front-Panel Configuration Menu
40
Main Menu Front-Panel Configuration Menu
40
Main Menu Utility Menu Technical Information Menu
40
Main Menu Front-Panel Configuration Menu Access Control
41
Figure 4-29 Access Control Menu
41
Figure 4-30 EQ Limits Portal
42
Figure 4-31 Front-Panel Password Entry Keyboard
42
Menu Password Entry Keyboard
42
Main Menu Front-Panel Configuration Menu Access Control Menu
41
Lake Contour and Mesa Quad EQ Front-Panel Reference
43
Lake Contour Front-Panel Functions
44
Table 4-1 Lake Contour Front-Panel Functions
44
Mesa Quad EQ Front-Panel Functions
45
Table 4-2 Mesa Quad EQ Front-Panel Functions
45
Chapter 5 Back-Panel Interface
47
Back-Panel Overview
47
Figure 5-1 Dolby Lake Processor Back Panel
47
Base Platform
48
Power Inlet
48
Aes/Ebu I/O
48
Figure 5-2 Base Platform
48
Mp I/O
49
Word Clock
49
Figure 5-3 AES/EBU Pinout
49
Table 5-1 AES/EBU Pin List
49
Memory Slot
50
Ethernet
50
S/Pdif I/O
50
Analog Cards
50
Analog Input Card
50
Figure 5-4 Input Card
50
Analog Output Card
51
Iso-Float Ground Isolation System
51
Figure 5-5 Output Card
51
Figure 5-6 Iso-Float Control on Analog Converter Cards
52
Table 5-2 Iso-Float Status LED
52
Cobranet Card
53
System Interconnection Example
53
Figure 5-7 Cobranet Card
53
Figure 5-8 Typical Sound System Application
54
Figure 5-9 Wireless Connectivity with Tablet PC
54
Chapter 6 Networking
55
Dolby Lake Processor Networking Features
55
Cable Specification
55
Connecting Multiple Processors on Wired Ethernet Networks
56
Figure 6-1 Simple Network Connection
56
Table 6-1 Common Ethernet Cable Categories
56
Wireless Network Operation
57
Figure 6-2 Complex Network Connection
57
Figure 6-3 Complex Wireless Network Connection
57
Networking with Lake Contour and Mesa Quad EQ Processors
58
Figure 6-4 Mixed-Mode Network Connection
58
Chapter 7 Connecting Digital Audio Devices
59
Internal and External Clocks
59
Figure 7-1 Dolby Lake Processor Clock System
60
Clock Source Priorities
61
Cascading AES and Word Clock Input Signals
62
Figure 7-2 Connectors and Termination Lift Switch
62
Figure 7-3 Termination Lift Switch
62
Signal Processing Latency
63
Figure 7-4 Cascading Word Clock Connection
63
Figure 7-5 Dolby Lake Processor Latencies
64
Table 7-1 Common Input-Output Latencies
65
Index
67
4
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Dolby Laboratories Lake LP4D12 Specifications
General
Brand
Dolby Laboratories
Model
Lake LP4D12
Category
Computer Hardware
Language
English
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