Telos Alliance LINEAR ACOUSTIC ARC Installation & User Manual Download

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Linear Acoustic

ARC

Automatic Realtime Control

Installation & User’s Guide

Version 0.0.64 with Addendum for V1.2

2001-00520-000

TelosAlliance.com

Summary of Contents for LINEAR ACOUSTIC ARC

Page 1: ...Linear Acoustic ARC Automatic Realtime Control Installation User s Guide Version 0 0 64 with Addendum for V1 2 2001 00520 000 TelosAlliance com...

Page 2: ...an easily accessible safety disconnect device should be included in the rack design To reduce the risk of electrical shock do not expose this product to rain or moisture This unit is for indoor use on...

Page 3: ...Alliance which are mentioned in this manual or accompanying material are informational only The Telos Alliance makes no endorsement of any particular product for any purpose nor claims any responsibil...

Page 4: ...number which must be written on the exterior of your shipping container Please do not include cables or accessories un less specifically requested by the Technical Support Engineer Be sure to adequat...

Page 5: ...ing and Sample Rate Converters 6 4 InstallationandInitialSetupUsingtheFrontPanelInterface 7 Physical Installation 7 Front Panel Buttons 7 The Information Screen 8 Loudness Display Screen 9 Program Dis...

Page 6: ...O Different 40 How Does APTOWork 40 8 BasicProcessingandLoudnessControl 41 Choosing an APTO Profile 41 Basic APTO Controls 42 Current Profile 42 Load and Save 43 Bypass 43 Reset 43 Target Loudness 43...

Page 7: ...51 AES 3 I O 51 SDI I O 51 AES67 I O 51 Latency V0 0 64 Software 51 Clock Reference 52 Sample Rate Resolution Frequency Response 52 Ethernet 52 Parallel GPI O Control Port 52 Front Panel Controls and...

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Page 9: ...thatinspireourcustomerstocreatethemostexcitingandengagingaudioexperiencesimaginable We re grateful that you have chosen audio tools from Telos Systems Omnia Audio Axia Audio Linear Acoustic 25 Seven S...

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Page 11: ...ns where support for 5 1 channel and coded audio is not required The ATPO algorithm does not employ multiband processing so the output audio is spectrally identical to the source material ARC also pro...

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Page 13: ...and sync for the reference clock D A color LCD display to show status and basic configuration parameters E A five button navigation cluster with Left Right Up and Down arrows plus a green OK button F...

Page 14: ...DB 15 for five inputs and five outputs A One AES 3 Input B and one AES 3 Output C on female BNC connectors One SDI 3Gb s HD SD SDI Input E and 3Gb s HD SD SDI Output D on female BNC connectors Two RJ...

Page 15: ...wo program sources to the embedded SDI output The output channel mapping can mirror the input channels or be pair shuffled as needed AES 3 I O Audio received via the AES 3 input can be processed and s...

Page 16: ...sed When using AES 3 I O ARC can be referenced to either the AES 3 clock using the SRCs in the SDI path or to the SDI clock using the SRCs in the AES 3 path When using an AES 3 source without an accom...

Page 17: ...information Front Panel Buttons As mentioned briefly in Chapter 2 the front panel of ARC includes a five button navigation cluster with Left Right Up and Down arrow buttons plus a green OK button in...

Page 18: ...s is shown in the lower right corner Green indicates an active solid reference Red indicates an inactive or missing reference The Information Screen Pressing the Right button navigates to the Informat...

Page 19: ...units of measure Program Display Screen Another press of the Right button takes you to the Program Display for Program 1 Push the Right button again to show the display for Program 2 Figure 4 4 Front...

Page 20: ...played Press the OK button to highlight Edit Press OK again to highlight Use DHCP Press the Right button to highlight Yes Press the Up Down button to No Press the Left button to highlight the Use DHCP...

Page 21: ...tion screen of the unused port Set Use DHCP to Yes Highlight and select Update Power cycle the unit Pressing the Right Left buttons will eventually return you to the Home Screen Locate Mode Our sincer...

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Page 23: ...oper network configuration No special client software is required and the HTML 5 based GUI is device operating system and browser agnostic We recommend using Google Chrome Firefox or Apple Safari The...

Page 24: ...s configuration signal routing or audio processing parameters via the remote user interface requires logging into the unit At this time only one user account with one password and one level of access...

Page 25: ...led loudness metering For illustration purposes we ll use Program 1 here The Program screen is divided into four basic sections Input meters A Output meters B Routing status D and APTO loudness proces...

Page 26: ...he left side of the Input Meter section A contain the following information The wide blue bars show the RMS audio levels for the left and right channels The fine blue horizontal lines that float over...

Page 27: ...cking on the Pause button F will temporarily stop loudness measurements on the Input Meter clicking it again will un pause the meter and resume loudness measurement Clicking on the Reset button G rest...

Page 28: ...t meter The meters on the left side of the Output Meter section A contain the following information The wide blue bars show the RMS audio levels for the left and right channels The fine blue horizonta...

Page 29: ...easurements on the Output Meter clicking it again will un pause the meter and resume loudness measurement Clicking on the Reset button H restarts loudness measurements on the Output Meter The APTO Lou...

Page 30: ...s the source of the audio being routed to the Program 1 or Program 2 APTO processing engine The Output field B indicates the output path s to which the processed audio is being routed Actual Input and...

Page 31: ...on the main I O page is provided below Input Status At the top of the main I O page is the Input Status section A Each input source SDI AES67 and AES 3 includes a signal Status indicator to show whet...

Page 32: ...dropdown menus is routed to the Program 1 and Program 2 APTO processing engines is selected in the Processor Inputs menu A Processor Outputs B is a status screen that shows where the processed audio f...

Page 33: ...al for trouble free operation This is true for ARC and every other digital audio device in your plant Improper clocking is one of the most common causes of clicks pops audio dropouts and other anomali...

Page 34: ...hope will populate your racks A second click will stop the light show Note that enabling Locate Mode will not affect the audio It should come as no surprise that clicking on the Reboot Unit button H w...

Page 35: ...s By default ARC is set up with DHCP enabled and will automatically receive an IP address when its Control Ethernet port is connected to a network with a DHCP server Important Both the Control and AES...

Page 36: ...or both the Control and AES67 ports If either of the two Ethernet ports will not be used do not connect the unused port to a network switch and set Use DHCP to Yes for the unused port Figure 5 11 IP m...

Page 37: ...Chapter 5 27 Remote User Interface Figure 5 12 PTP menu...

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Page 39: ...d Configuration Name and Location Once logged into ARC click on the System menu A Click in the Unit Name field B and type in a friendly name for this particular unit You may also enter the physical lo...

Page 40: ...for the processed audio are configured in a different menu but shown for convenience in the Processor Outputs section D Important At the risk of stating the obvious proper reference is critical for tr...

Page 41: ...the SDI sub menu in the I O menu A In the SDI Out routing section use the SDI Out dropdown menus C to select which audio sources get routed to each SDI output pair These may include processed audio a...

Page 42: ...es D and SDI SRC Out switches E Doing so does lower throughput latency slightly but there is no disadvantage to leaving them enabled In fact if there are any anticipated reference clock changes either...

Page 43: ...ces may include processed audio as well as available SDI AES67 and AES 3 inputs The multicast address of each desired AES67 input should be entered into the Address field of the AES67 In section B As...

Page 44: ...onnector activated by a momentary contact closure GPI Functions A include None Reboot Reset Unit Hardware Relay Bypass Reset All Input Loudness Meters Reset All Output Loudness Meters Reset All Loudne...

Page 45: ...GPOs have user defined Parameters E as well Choosing one of the Loudness Above Target Range or Loudness Below Target Range functions will display the following parameters Measurement determines the in...

Page 46: ...he Delays sub menu of the I O menu A Click on the millisecond and or microsecond fields in the Video Delay section B and type in the required value If the output needs to be delayed by an even frame t...

Page 47: ...output with SRCs disabled 30 5ms AES 3 input to AES 3 output with AES 3 input SRC enabled 33 5ms SDI input to SDI output with SRCs disabled 33 5ms SDI input to SDI output with SDI SRCs enabled 36 5ms...

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Page 49: ...the program segment is maintained and where applicable True Peak values are not exceeded Just like audio can be over processed it can also be under processed Trying to watch a sporting event in a nois...

Page 50: ...chieving the following goals Ensuring that foreground sounds particularly dialog remain intelligible at all times Allowing the user to define a comfort zone within which no additional audio processing...

Page 51: ...a set and forget processor and simply choosing a factory profile is all that is required To select a profile navigate to the Program 1 or Program 2 menu A click the Load button in the APTO Loudness Co...

Page 52: ...ols for each program path and are identical in terms of controls and functionality though completely independent of one another in their operation Figure 8 2 Basic APTO controls Current Profile The cu...

Page 53: ...etermines how much processing is applied to the incoming signal in the Dynamic Range processing stage and in combination with various individual controls determines dynamic range of the output audio T...

Page 54: ...ically adapts the amount of processing occurring in the Dynamic Range stage of processing depending upon the actual measured average level at the input The degree to which the actual input levels infl...

Page 55: ...Unless there are extenuating circumstances or the need to solve a particular problem with highly difficult programming adjusting the Advanced parameters described below is rarely necessary Making arb...

Page 56: ...of continuous speech are required for the measurements to be considered reliable and valid and after which the Compliance processing stage adaptively switches to dialog normalization mode A minimum o...

Page 57: ...nd of traditional compressors and ACGs which by their very nature are always operating either over or under a threshold and therefore always increasing or decreasing gain often for no good reason The...

Page 58: ...he start of each program segment can help minimize such issues and optimize overall processing for each individual program segment ComplianceWindow The Compliance Window control J adjusts the size of...

Page 59: ...omain this value will be easy to determine For live programming unprocessed material or in cases where programming is of different genres from different decades this becomes more challenging For examp...

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Page 61: ...2M 259M input and one output via 75 Ohm BNC female connectors internally terminated video formats up to 1081i 60 59 94 50Hz AES67 I O 16 channels of bi directional AES67 I O in support of SMPTE ST 211...

Page 62: ...ons one each for AES67 and Control Parallel GPI O Control Port Future feature 15 pin female D connector 0 5V TTL levels 5 inputs 5 outputs Front Panel Controls and Indicators 5 key navigation cluster...

Page 63: ...ees Celsius 4 to 158 degrees Fahrenheit Intended Location Telecommunications center or dedicated computer machine room Regulatory North America FCC and CE tested and compliant with UL approved power s...

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Page 65: ...os Alliance website at www telosalliance com linear arc New features included in V1 2 include support for SNMP V1 2 and logging for program loudness loudness events and system events SNMP Controls for...

Page 66: ...the output loudness level has fallen below or exceeded the target output level according to the recommendations and regulations associated with the current APTO processing profile such as EBU R 128 an...

Page 67: ...Chapter 11 57 Addendum 1 Figure A1 2 Logging menu...

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Page 69: ...C Telos Alliance Warranty Telos Alliance Limited Warranty For the latest Telos Alliance warranty visit telosalliance com warranty...

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