Avid Technology SYNC HD Specifications

HD I/O Guide

HD I/O Guide6Loop Master LEDThe LOOP MASTER LED indicates which audio interface is the master peripheral. The Loop Master LED will be continuously lit

Chapter 2: HD I/O Overview 7HD I/O Back PanelAlthough the HD I/O is a sixteen-channel audio interface, it has up to 94 inputs and outputs available th

HD I/O Guide8+4 dBu Balanced Provides eight balanced input channels at +4 dBu nominal operating levels.–10 dBV Balanced Provides eight balanced input

Chapter 2: HD I/O Overview 9Digital I/OThe Digital I/O card contains connectors for eight channels each of AES/EBU I/O, TDIF I/O, and Optical (ADAT) I

HD I/O Guide10AES/EBU [Encl]These are balanced, three-conductor XLR con-nectors that accept and output a stereo, 24-bit AES/EBU audio signal. These tw

Chapter 2: HD I/O Overview 11DigiLink Mini Cables and Adapters Avid provides various cables and adapters to connect Avid HD audio interfaces to HD Nat

HD I/O Guide12The Loop Sync In and Out ports are standard BNC connectors that output a 1x Word clock sig-nal. Loop Sync should only be used to chain m

Chapter 3: Connecting HD I/O 13Chapter 3: Connecting HD I/OHD I/O provides up to sixteen channels of analog and digital I/O with HD I/O with Avid HD N

HD I/O Guide14Connecting HD I/O to HD Native CardsTo connect HD I/O to an HD Native card: Connect HD I/O Primary Port to the DigiLink Mini Port 1 on

Chapter 3: Connecting HD I/O 15Connecting Loop SyncIf you are using two or more HD audio interfaces or a SYNC peripheral, Loop Sync must be connected

Legal NoticesThis guide is copyrighted ©2011 by Avid Technology, Inc., (hereafter “Avid”), with all rights reserved. Under copyright laws, this guide

HD I/O Guide16Connecting HD I/O to Pro Tools|HD Cards To connect HD I/O to a Pro Tools|HD card: Connect HD I/O Primary Port to the DigiLink Port on t

Chapter 3: Connecting HD I/O 17Connecting Loop SyncIf you are using two (or more) Pro Tools audio interfaces or a SYNC peripheral, Loop Sync must be c

HD I/O Guide18

Chapter 4: Configuring HD I/O in Pro Tools 19Chapter 4: Configuring HD I/O in Pro ToolsThis chapter explains how to configure Pro Tools for use with H

HD I/O Guide20High Sample Rates and Pro Tools|HD Expanded SystemsWith 176.4 kHz and 192 kHz sample rates, as many as four Pro Tools|HD cards can be us

Chapter 4: Configuring HD I/O in Pro Tools 21IdentifyIf you have multiple audio interfaces of the same type connected to your system, you should con-f

HD I/O Guide225 If you have two HD I/O AD cards, click the An-alog In 9–16 tab and configure the options.6 If you have at least one HD I/O Digital c

Chapter 4: Configuring HD I/O in Pro Tools 23InputSelect the corresponding physical input pairs from the Input pop-up menu for each stereo pair of Pro

HD I/O Guide24Analog In PageThe Analog In page of the Hardware Setup dia-log lets you set the Reference Level for the phys-ical analog inputs on HD I/

Chapter 4: Configuring HD I/O in Pro Tools 25Digital PageThe Digital page of the Hardware Setup dialog lets you set the Input Format and Sample Rate C

Contents iiiChapter 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HD I/O Guide26AES/EBUYou can select up to eight channels of AES/EBU input depending on the sample rate. At sample rates of 44.1 kHz to 96 kHz, the onl

Chapter 4: Configuring HD I/O in Pro Tools 27Sample Rate ConversionSample Rate Conversion (SRC) is independently available for AES/EBU stereo input pa

HD I/O Guide28Using Input TrimsInput TrimsThe Input Trims below the two DB–25 connec-tors on the HD I/O AD Expansion card are used to store a calibrat

Chapter 5: Adding or Removing I/O Cards 29Chapter 5: Adding or Removing I/O CardsThe HD I/O has four Expansion I/O bays on the back of the unit. Depen

HD I/O Guide305 Remove the screws on the back panel for the I/O card you want to remove.6 Holding the 50-pin cable which connects the card to the HD

Chapter 5: Adding or Removing I/O Cards 31Installing an Expansion I/O CardTo install an Expansion I/O card:1 Power off and disconnect the HD I/O from

HD I/O Guide3210 Secure the I/O card to the back panel of the HD I/O chassis with the same screws you re-moved from the either the empty bay cover or

Chapter 5: Adding or Removing I/O Cards 3323 Open the Hardware Setup dialog to confirm that the new card is recognized:• If you installed a Digital E

HD I/O Guide34

Chapter 6: Pinout Diagrams for the DB-25 Connectors 35Chapter 6: Pinout Diagrams for the DB-25 ConnectorsAnalog Output DB-25 Analog Input (+4 dBu) DB-

HD I/O GuideivChapter 7. HD I/O Calibration Mode Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39About Calibratio

HD I/O Guide36Analog Input (–10dBV) DB-25 AES/EBU DB-25 MH2CH1_COLDCH1_HOTCH2_GNDCH2_COLDCH3_GNDCH3_HOTCH3_COLDCH4_GNDCH4_HOTCH4_COLDCH8_COLDCH7_COLD

Chapter 6: Pinout Diagrams for the DB-25 Connectors 37TDIF DB-25GND_AGND_AGND_C22PF22PFGND_CMH2CH12_RCV_DATAGND3CH56_RCV_DATACH12_XMT_DATACH78_RCV_DAT

HD I/O Guide38

Chapter 7: HD I/O Calibration Mode Instructions 39Chapter 7: HD I/O Calibration Mode InstructionsBefore you use HD I/O, you may want to cali-brate its

HD I/O Guide40For example, to have 12 dB of headroom above 0 VU with the HD I/O, you must align the in-coming 0 VU 1kHz tone to a level of –12 dBFS. F

Chapter 7: HD I/O Calibration Mode Instructions 4113 Create an additional mono Auxiliary Input track for each input you want to calibrate. Set the in

HD I/O Guide42Switching Jumpers on the Analog Output CardEach Analog Output card for HD I/O provides a jumper for each of the eight channels of output

Appendix A: Compliance Information 43Appendix A: Compliance InformationEnvironmental ComplianceDisposal of Waste Equipment by Users in the European Un

HD I/O Guide44EMC (Electromagnetic Compliance)Avid declares that this product complies with the following standards regulating emissions and immunity:

Appendix A: Compliance Information 45Safety ComplianceSafety StatementThis equipment has been tested to comply with USA and Canadian safety certificat

Chapter 1: Introduction 1Chapter 1: IntroductionAvid® HD I/O is a multi-channel digital audio interface designed for use with Avid HD Native and Pro T

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Avid2001 Junipero Serra Boulevard Daly City, CA 94014-3886 USATechnical Support (USA)Visit the Online Support Center at www.avid.com/supportProduct In

HD I/O Guide2What’s Included• Avid HD I/O audio interface•AC power cable• DigiLink Mini cable (18 inches [0.46m])• DigiLink Mini adapter• BNC cable (1

Chapter 1: Introduction 3About This GuideThis guide provides a basic overview of the HD I/O features and functionality.For hardware installation instr

HD I/O Guide4About www.avid.comThe Avid website (www.avid.com) is your best online source for information to help you get the most out of your Pro Too

Chapter 2: HD I/O Overview 5Chapter 2: HD I/O OverviewThis chapter describes the front and back panel features of the HD I/O. HD I/O Front PanelPower