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APPENDIX A: AUDIO SIGNAL FLOW

GALAXY 816-AES PROCESSOR AUDIO SIGNAL FLOW

Figure 29 illustrates the audio signal flow for a GALAXY 816-AES processor. For details about clocking, see Appendix B,
“Clocking.”

Figure 29: Audio Signal Flow for the GALAXY 816-AES Processor

AES

Connectors

#1-4

Analog

Connectors

#9-16

Connectors

#5-8

Milan

AVB

Input

Splits

A-H

Milan

AVB

SIM

Outputs

1-8

Milan

AVB

Outputs

1-8

Milan

AVB

Outputs

9-16

16 XLR

OUTPUT

GALAXY 816 AES

AUDIO SIGNAL FLOW

GALAXY

INPUTS

8 XLR

INPUTS

ETHERNET

AES3

Analog

32 Unique Audio

Inputs, 8 Processed

GALAXY OUTPUTS

ETHERNET

Simultaneous Milan AVB and analog outputs

INPUTS A-H

SOURCE
SELECTS

Each Channel

Selectable as

Analog, AES3,

or Milan AVB

Outputs 1-8

OUTPUT SIGNAL

PROCESSING

Inputs A-H

SUMMING

DELAY MATRIX

Outputs 9-16

INPUT SIGNAL

PROCESSING

A-H

Console

Processor

SIM 3 Probe Points

Adjusted in Compass

Milan AVB

Audio

Streams

Matrix Inputs 9-32
AVB Only

Outputs

1-16

Содержание Galileo GALAXY 408

Страница 1: ...Keep these important operating instructions Check www meyersound com for updates USER GUIDE CREATE Galileo GALAXY 408 Galileo GALAXY 816 Galileo GALAXY 816 AES3...

Страница 2: ...y be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical recording or otherwise without prior written permission from Meyer Sound CAL Compass Go by...

Страница 3: ...atus during lightning storms or when unused for long periods of time 14 If equipped with an external fuse holder the replaceable fuse is the only user serviceable item When replacing the fuse only use...

Страница 4: ...gegen Vorschriften verstossen und zu Stromunf llen f hren Das Produkt nicht an einem Ort aufstellen an dem es direkter Wassereinwirkung oder berm ig hoher Luft feuchtigkeit ausgesetzt werden k nnte so...

Страница 5: ...ept culo debe estar conectado a un fusible o disyuntor La conexi n a cualquier otro tipo de recept culo representa un riesgo de descarga el ctrica y puede violar los c digos el ctri cos locales No ins...

Страница 6: ...IMPORTANT SAFETY INSTRUCTIONS vi...

Страница 7: ...and I O 17 GALAXY Processor Enclosures 17 GALAXY Processor Front Panels 17 Front Panel Processed Inputs Section 18 Front Panel Processed Outputs Section 19 Front Panel Status Display Section 19 GALAX...

Страница 8: ...tform Specifications 51 Specification Table 51 Galileo GALAXY Network Platform Parts and Accessories 52 Dimensions 53 Appendix A Audio Signal Flow 55 Common Terminology 55 GALAXY 816 Processor Audio S...

Страница 9: ...oduct Type 68 Array Splay 68 Associated Outputs 69 Tips For Using LMBC 70 Appendix E Atmospheric Correction 71 Overview 71 Using The GALAXY Processors Environmental Conditions Settings 74 Appendix F K...

Страница 10: ...CONTENTS x...

Страница 11: ...es an important or useful piece of information relating to the topic under discussion TIP A tip offers a helpful tip relevant to the topic at hand CAUTION A caution gives notice that an action may hav...

Страница 12: ...n order to achieve the best possible performance see Appendix C Product Integration The GALAXY 408 processor the GALAXY 816 processor and the GALAXY 816 AES3 processor have the same audio processing c...

Страница 13: ...m Optional asynchronous sample rate converters for AES3 inputs Cross point delay and summing matrix Atmospheric correction filters Interoperability with other Milan certified third party hardware whic...

Страница 14: ...connectors GALAXY 408 Processor Input Output Summary The GALAXY 408 processor is a 1RU 19 inch rack mountable device with the following inputs outputs 4 processed inputs that can receive analog AES3...

Страница 15: ...outputs 8 inputs that can receive analog AES3 or AVB signals 24 AVB unprocessed matrix inputs 16 outputs that can deliver processed AES3 or AVB signals via XLR connectors 8 outputs 9 16 that can deliv...

Страница 16: ...CHAPTER 1 INTRODUCTION 16...

Страница 17: ...GALAXY 816 processor and the GALAXY 816 AES processor are 2RU in height for exact specifications see Dimensions on page 53 The enclosures are made from steel with a slightly textured graphite gray fi...

Страница 18: ...range lights a few dB below clipping The top LED turns red as the input signal level reaches full scale digital 0 dBFS In Compass Settings Input and Output the Voltage Range may be set for all input a...

Страница 19: ...In Compass Settings Input and Output the Voltage Range for all input and output channels can bet set to either 16 dBu 7 75 V rms or 26 dBu 15 5 V rms this setting determines the clipping levels NOTE...

Страница 20: ...Compass Control Software SIM LED Indicates if the GALAXY is connected to a SIM audio analyzer NOTE The GALAXY SIM Address must be set to a number in the range 0 14 default is 10 in the SIM tab in Com...

Страница 21: ...G Four XLR 3F input connectors accept either a standard line level analog signal or an AES two channel digital signal In Compass Settings Input and Output these inputs can be set to Analog AES3 Left o...

Страница 22: ...udio signals through time sensitive networks and allow it to be controlled by Compass and or Compass Go Use a Giga bit Ethernet network cable CAT5e or better Analog AES Input Connectors A C Two XLR 3F...

Страница 23: ...G Four XLR 3F input connectors accept either a standard line level analog signal or an AES two channel digital signal In Compass Settings Input and Output these inputs can be set to Analog or AES3 Lef...

Страница 24: ...ttings Network tab of each processor see Settings Tab on page 34 To exit Identify Mode push the Wink button on the processor again or click on the Identify button on the Network tab in Compass POWER C...

Страница 25: ...ngs SIM The GALAXY processor to SIM connection is auto detected The connection is indicated in SIM in Compass and with the SIM Bus LED on the GALAXY processor front panel A second SIM Bus connector is...

Страница 26: ...sor The drive contains the version of Compass that matches the version of firmware installed in the GALAXY processor Or download the latest version of Compass Control Software from the Meyer Sound web...

Страница 27: ...ed It will be blue when selected gray when deselected 6 Click on the top tab labeled Processors which then displays the Inventory tab Figure 12 Click the Find Devices button in the upper left corner t...

Страница 28: ...oller that requires IPv4 GALAXY processors can be assigned IPv4 addresses If assigning IPv4 addresses to a GALAXY processor the Port 1 address and the Port 2 address cannot be the same GALAXY PROCESSO...

Страница 29: ...dio streams and CRF clock streams GALAXY processors with different firmware will NOT be compatible with each other For most applications Meyer Sound recommends upgrading GALAXY processors to the lates...

Страница 30: ...evices function uses mDNS protocol to discover devices If Find Devices does not return any items check to ensure mDNS is enabled TIP Compass has context help available within the program Look for a gr...

Страница 31: ...processor tab has nine sub tabs that provide controls to adjust the processor functions Project Settings Overview Input Processing Output Processing Summing Matrix Delay Matrix Input Masters and Outp...

Страница 32: ...essor and all of the current control point values A Snapshot contains all of the control point values of a processor when a Snapshot is created The GALAXY processor can store up to 255 Snapshots in th...

Страница 33: ...ther Project file into the current Snapshot library in a GALAXY processor use the Merge Project option from the Project tab click the More button for this option to appear TIP Use Compass Control Soft...

Страница 34: ...dialogue there is an option to set just one or all connected GALAXY processors to the new time The GALAXY Front Panel LCD Color can be adjusted for brightness and color The available options are Green...

Страница 35: ...he network and can be used as a reference of how low the Default Presentation Time can be set In some cases it is desirable to use a lower latency which can be accomplished by reducing the Default Pre...

Страница 36: ...ss to particular controls for different users based on Role settings These settings apply to situations such as permanent installations where multiple users have access or situations where various par...

Страница 37: ...is display is a subset of all log data includes client level messages For a more detailed log history that might help Meyer Sound Tech Support for example in a debug situation use the Save System Logs...

Страница 38: ...of plotters and what to display or hide More than one EQ plot may be shown at a time by selecting Multiple under the Plotter mini tab The Handles mini tab controls the display or removal of EQ handle...

Страница 39: ...a channel from other channels to which it is linked Isolating a channel will change its background color to amber Use the Link Groups button to edit multiple channels simultaneously The Link Groups ta...

Страница 40: ...may be changed to positive gain values via the Compass Preferences tab Setting Preferences on page 29 Each of the four frequency breakpoints may also be set within the U Shaping tab The numerical inp...

Страница 41: ...axis control The Handles mini tab controls the display or removal of EQ handles in the plotter The Response mini tab controls whether to display or hide specific response curves in the plotter The min...

Страница 42: ...quickly select or deselect multiple channels Selected channels have a green background Use the Isolate button to temporarily isolate a channel from other channels to which it is linked Isolating a ch...

Страница 43: ...This default setting may be changed to positive gain values via the Compass Preferences tab Setting Preferences on page 29 Each of the four frequency breakpoints may also be set within the U Shaping t...

Страница 44: ...CHAPTER 3 CONTROLLING GALAXY PROCESSORS WITH COMPASS 44 Figure 20 Processor Output Processing U Shaping and All Pass tabs...

Страница 45: ...es Summing or Direct Routing The mode is controllable via a select button at the top left of the Summing Matrix display window Summing is the default setting that allows the user to route multiple inp...

Страница 46: ...ncluded in the input or output processing blocks Each input channel can be assigned a time value independently to individual output channels To select which group of 8 inputs to view at any one time u...

Страница 47: ...handle results in single dB increments or decrements clicking on a dB value to the right of the control will cause the gain to jump to that value There are also buttons to link channels of the same ty...

Страница 48: ...ve or below the handle results in single dB increments or decrements clicking on a dB value to the right of the control will cause the gain to jump to that value There are also buttons to link channel...

Страница 49: ...have a separate sub tab and as many groups as are desired may be made Individual Groups or collections of multiple Groups can be saved and reloaded The Group function allows users to gang inputs or ou...

Страница 50: ...CHAPTER 3 CONTROLLING GALAXY PROCESSORS WITH COMPASS 50...

Страница 51: ...NC female 50 OUTPUTS Output Connectors 8 gold plated XLR M 2 RJ 45 network ports 16 gold plated XLR M 2 RJ 45 network ports AES Audio Outputs N A N A Processed outputs 1 16 on connectors 1 8 Analog Au...

Страница 52: ...0 229 A rms 115 V AC 0 162 A rms 230 V AC 0 256 A rms 100 V AC 0 431 A rms 115 V AC 0 229 Arms 230 V AC 0 492 A rms 100 V AC 0 336 A rms 115 V AC 0 197 A rms 230 V AC 0 415 A rms 100 V AC Maximum Lon...

Страница 53: ...Figure 26 GALAXY 408 GALAXY 816 and GALAXY 816 AES Dimensions 88 mm 3 47 in 429 mm 16 90 in 404 mm 15 90 in 412 mm 16 21 in 19 00 in 483 mm 19 00 in 1 72 in 44 mm 483 mm 412 mm 16 21 in 2 mm 08 in GA...

Страница 54: ...CHAPTER 4 GALILEO GALAXY NETWORK PLATFORM SPECIFICATIONS 54...

Страница 55: ...output streams with varying output types further described in Table 3 An additional Stream serves as a GALAXY processor Clock Source Table 1 Audio Input and Output Terminology Name Description Listen...

Страница 56: ...8 XLR INPUTS ETHERNET AES3 or Analog 32 Unique Audio Inputs 8 Processed GALAXY OUTPUTS Simultaneous Milan AVB and analog outputs INPUTS A H SOURCE SELECTS Each Channel Selectable as Analog AES3 or Mil...

Страница 57: ...TS ETHERNET AES3 or Analog Milan AVB Audio Streams 32 Unique Audio Inputs 8 Processed GALAXY OUTPUTS Simultaneous Milan AVB and analog outputs ETHERNET INPUTS A H SOURCE SELECTS Each Channel Selectabl...

Страница 58: ...puts 1 8 Milan AVB Outputs 1 8 Milan AVB Outputs 9 16 16 XLR OUTPUT GALAXY 816 AES AUDIO SIGNAL FLOW GALAXY INPUTS 8 XLR INPUTS ETHERNET AES3 or Analog 32 Unique Audio Inputs 8 Processed GALAXY OUTPUT...

Страница 59: ...device to accurately interpret the binary data it receives If the device clocks are asynchronous any of the allowable AES input clock rates NOT equal to 48 kHz or 96 kHz and thus not common with the...

Страница 60: ...LAXY 1 which can be accomplished by using the CRF clock Clock Reference Format packets from GALAXY 1 NOTE An AAF Clock may also be sent from GALAXY 1 as a Media Clock but the CRF clock is preferable a...

Страница 61: ...ultiple GALAXY Processors AES3 Input with Word Clock Figure 33 Clocking Scheme for Multiple GALAXY Processors AVB Input Source Milan AVB Audio Media Clock CRF or AAF Analog Audio Milan AVB AES Audio W...

Страница 62: ...alog outputs can vary To ensure proper alignment measure the delay between the local GALAXY processor s physical analog outputs to any remote GALAXY processor s physical analog outputs using an accura...

Страница 63: ...ent subwoofer arrays Line Array Models When certain line array products are chosen the user can select a Starting Point from the drop down menu These presets use U Shaping filters that adjust the freq...

Страница 64: ...or output The native phase curves exhibited by Meyer Sound products can be differentiated by the lowest frequency at which each product deviates by 180 degrees of relative phase Product Integration us...

Страница 65: ...egration is applied to subwoofer outputs the phase slope is optimized to align with the mid high loudspeakers using the same phase curve setting The changes in phase response caused by Product Integra...

Страница 66: ...APPENDIX C PRODUCT INTEGRATION 66...

Страница 67: ...djust the relative timing of low mid frequencies compared to high frequencies essentially allowing low mid frequencies to be modified without affecting the coverage of high frequencies that are contro...

Страница 68: ...the first output channel of LMBC Element number one always starts at the top of the array Number of Elements This widget allows the user to define the number of elements within the array Element Locat...

Страница 69: ...associated with an array s LMBC processing It also provides All Pass filter parameters center frequency and Q that can be applied to fill loudspeakers connected to other processor outputs to optimize...

Страница 70: ...ire array correct for HF distance only above 1 k on individual zones Spread is not optimal above 95 Total Array Splay Steer Up is not optimal above 45 Total Array Splay One array element per output is...

Страница 71: ...re determined by user entered parameters the environmental conditions and unique to each output Atmospheric Gain Factor and Distance Air absorption of sound is a complex non intuitive function of whic...

Страница 72: ...on the atmospheric conditions and the distance the array is throwing the number of possible correction combinations can be quite large but they are achievable with the GALAXY processor Air absorption...

Страница 73: ...ies The green curve illustrates the frequency response of the atmospheric correction filters for that situation The blue curve indicates the improved frequency response at higher frequencies for the r...

Страница 74: ...ndwidth and gain of the correction filters These parameters should be adjusted continuously to match the current real world conditions TIP The ability to control these parameters is also possible from...

Страница 75: ...he amount of makeup gain added When set to 100 the filters are constrained to 14 dB of gain When set to 50 correction is limited to 7 dB of gain Increasing the Atmospheric Gain Factor will reduce head...

Страница 76: ...APPENDIX E ATMOSPHERIC CORRECTION 76 Figure 43 Atmospheric Correction Enabled and Displayed...

Страница 77: ...Selects or Link Groups Link Stereo Pairs Changes made to one channel will affect the stereo pair Inputs pairs A B C D and E F Output pairs 1 2 3 4 5 6 etc Shift Stereo Pairs In the case of toggle but...

Страница 78: ...utput channels Control Shift Command Shift on Mac All Channels Changes made to all channels in a device Control Alt Shift Command Alt Shift on Mac All Channels Special Toggles This sequence behaves in...

Страница 79: ...to uniquely identify an AVB entity All entities must be unique within a Group Global Environment Environmental settings temperature humidity and altitude for all linked devices Global Project File sa...

Страница 80: ...Project tab and are limited to a maximum of 255 Click on the Snapshot name to select then click the desired function button on the right of Library list Source An AVB Talker has at least one Source a...

Страница 81: ...dio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not o...

Страница 82: ...limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not install...

Страница 83: ......

Страница 84: ...Meyer Sound Laboratories Inc 2832 San Pablo Avenue Berkeley CA 94702 www meyersound com T 1 510 486 1166 2019 Meyer Sound Laboratories All rights reserved Galileo GALAXY User Guide PN 05 230 005 01 D...

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