DigiDesign ADAT Bridge I/O Manual
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DigiDesign ADAT Bridge I/O Manual

DigiDesign ADAT Bridge I/O Manual

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ADAT Bridge I/O Guide
Digidesign
Digidesign Inc.
3401-A Hillview Avenue
Palo Alto, CA 94304 USA
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Product Information (USA)
Fax on Demand (USA)
1-888-USE-DIGI (873-3444)
tel: 650·842·7900
fax: 650·842·7999
650·842·6699
650·856·4275
650·842·6602
800·333·2137
World Wide Web
www.digidesign.com
Digidesign FTP Site
ftp.digidesign.com

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  • Page 1 Digidesign ADAT Bridge I/O Guide Digidesign Inc. 3401-A Hillview Avenue Palo Alto, CA 94304 USA tel: 650·842·7900 fax: 650·842·7999 Technical Support (USA) 650·842·6699 650·856·4275 Product Information (USA) 650·842·6602 800·333·2137 Fax on Demand (USA) 1-888-USE-DIGI (873-3444) World Wide Web www.digidesign.com Digidesign FTP Site...
  • Page 2 This User’s Guide is copyrighted ©2000 by Digidesign, a Compliance Statement division of Avid Technology, Inc. (hereafter “Digidesign”), with The model ADAT Bridge I/O complies with the following all rights reserved. Under copyright laws, this manual may not standards regulating interference and EMC: be duplicated in whole or in part without the written consent of •...

  • Page 3: Table Of Contents

    Transferring Audio Between ADAT and Pro Tools (Synchronized) ..... . 28 Chapter 4. Using the ADAT Bridge I/O in Standalone Mode .
  • Page 4 ..55 Appendix A. ADAT Bridge I/O Technical Specifications ......57 Analog Performance .

  • Page 5: Chapter 1. Introducing The 24-Bit Adat Bridge I/O

    A/D and D/A converters. consoles. Capabilities The ADAT Bridge I/O can be used with ei- ther the Macintosh or Windows version of Each ADAT Bridge I/O Interface allows you Pro Tools TDM. See “System Require- to digitally transfer up to 16 tracks/chan- ments”...

  • Page 6: About This Guide

    ADAT Optical standard at up to 24-bit reso- Digidesign guides use the following con- lution). ventions to indicate menu choices and key The ADAT Bridge I/O can also be used as a commands: standalone digital converter (S/PDIF or Convention Action AES/EBU-to-ADAT optical).

  • Page 7: System Requirements

    firmware version 1.0 or higher. • The ADAT XT20 should be equipped with firmware version 2.0 or higher. • The ADAT LX20 should be equipped with firmware version 2.0 or higher. Chapter 1: Introducing the 24-Bit ADAT Bridge I/O 3...
  • Page 8 ADAT Bridge I/O...

  • Page 9: Chapter 2. Connecting Your Studio

    Primary System Connections The optical cables included with your (all systems) ADAT Bridge I/O are 2 feet in length. Opti- Connecting the ADAT Bridge I/O to cal cables of up to 30 feet can be used with ADAT or ADAT-compatible devices.

  • Page 10: About 8-Channel Groups

    About 8-Channel Groups The ADAT Bridge I/O provides 16 channels of ADAT digital I/O, split into two separate 8-channel groups. Inputs and outputs from these groups are assigned in Pro Tools as A1– A8 (for the in- puts and outputs on Group A), and B1–B8 (for the inputs and outputs on Group B).
  • Page 11 This switch applies power to the Digidesign I/O sample rate is being slaved to an ADAT ADAT Bridge I/O. The “I” position is on. (the ADAT Bridge I/O is using the ADAT as The “O” position is off. its master clock reference). This parameter is set by choosing ADAT Optical in the 2.
  • Page 12 Slave Clock Input rently being received by the ADAT Bridge port and the ADAT Bridge I/O is set for in- I/O. ternal sync in the Pro Tools Hardware Setup dialog or Session Setup window.
  • Page 13 The Computer A port carries data for Bridge I/O is used in standalone mode. the first eight channels (1–8) of audio be- tween the ADAT Bridge I/O and Pro Tools. 2. Optical In/Out #1 5. Computer B These ports are designed to send and re-...

  • Page 14: Primary Connections (Bridge I/O To Pro Tools And Adat)

    9. Word Clock Out ADAT #2 Optical Out/In. The Word Clock Out jack is a standard BNC-type connector that outputs a word clock signal. This jack is typically used to connect the ADAT Bridge I/O to a BRC or ADAT Bridge I/O...
  • Page 15 15 for additional tical #2 In/Out ports on the Digidesign instructions on integrating the ADAT Bridge I/O ADAT Bridge I/O to the Digital In/Out ports into your system. on ADAT #2. The following sections provide optical con-...
  • Page 16 Interface connection, 8-channel operation will have to manually start and stop record- ing/playback of Pro Tools and ADAT inde- If you are adding the ADAT Bridge I/O as pendently. Unsynchronized operation can expansion I/O, connect the Bridge to the be used to make basic backups of your appropriate expansion I/O port.
  • Page 17 MIX or d24 port “A” start and stop recording/playback of Pro Tools and ADAT independently. Un- ADAT Bridge I/O connected to two ADATs, using the optional Y-cable for Pro Tools MIX and d24 cards synchronized operation can be used to make basic ADAT backups of your –...
  • Page 18 Bridge I/O is the primary audio interface, these will be Pro Tools output channels 1 and 2. If you are using the ADAT Bridge I/O To make clock connections to other Digidesign audio interfaces: as expansion I/O, then these outputs will...

  • Page 19: Synchronization Connections

    I/O, Pro Tools, and each of the following devices: • Alesis BRC with a MIDI interface or with a Digidesign USD (see Chapter 5: Synchronizing Pro Tools and ADAT with an Alesis BRC) • JL Cooper DataSync 2 and a MIDI inter-...
  • Page 20 ADAT Bridge I/O...

  • Page 21: Chapter 3. Using Your System

    chapter 3 Using Your System If you are using the ADAT Bridge as your Powering Up Your System primary Pro Tools audio interface and do not need positional sync between Pro Tools Your Pro Tools/ADAT system consists of and ADAT, then the primary configuration several devices that must communicate instructions are all you need.

  • Page 22: Basic Settings

    Pro Tools audio interface. Using the ADAT Bridge I/O as an expansion interface has special requirements that are noted throughout this guide. Playback Engine with ADAT Bridge I/O as the primary audio interface (note the Card popup setting “d24 #1”). ADAT Bridge I/O...
  • Page 23 ADAT tape, pops and that your ADAT Bridge I/O is connected to: clicks may occur during recording/moni- • If you have a single ADAT Bridge I/O port toring. (Group A on ADAT Bridge back panel) Click the Sync Mode pop-up and choose connected to your card, choose port A.
  • Page 24 ADAT. ADAT Bridge as Primary Interface If you have additional interfaces, config- If the ADAT Bridge I/O is being used as the ure them in a similar manner. primary audio interface, then the following...

  • Page 25: Transferring Audio Between Adat And Pro Tools (Unsynchronized)

    If you want to switch the output levels of is the setting to use when you want exter- the ADAT Bridge I/O from +4 dBu to nal devices connected to the ADAT Bridge –10 dBV, click the Other Options button in to slave to the ADAT Bridge.
  • Page 26 Pro Tools (Unsynchronized) ing/playback of Pro Tools and the ADAT Each ADAT Bridge I/O allows you to digi- independently. tally transfer up to 16 tracks at once be- To use a third-party synchronizer to tween Pro Tools and ADAT.
  • Page 27 • Set the Pro Tools Sync Mode to ADAT Depending on your setup — particularly if Optical. you are using the ADAT Bridge I/O as your • Choose the sample rate that matches the only Pro Tools interface — you may want...

  • Page 28: Recording Tracks From Pro Tools To Adat (Unsynchronized)

    Pro Tools via the opti- • If you are using an ADAT Bridge I/O as cal connectors on the ADAT Bridge I/O. your master Pro Tools interface, Pro Tools channel 1–8 outputs corre-...
  • Page 29 To record onto ADAT tracks from Pro Tools nel. digital inputs: • If you are using an ADAT Bridge I/O as Connect a digital audio source to the dig- your master Pro Tools interface, ital inputs on the back of your master Au- Pro Tools channel 1–8 outputs corre-...

  • Page 30: Configuring Sync

    User’s Guide to provide OMS configurations for all possible peripherals, the section that follows pro- vides some general guidelines for configur- ing a device so that Pro Tools can commu- nicate with it. ADAT Bridge I/O...
  • Page 31 OMS Example Setup (Macintosh Only) If you are using a Macintosh with a MIDI interface, BRC, JL Cooper DataSync2, or an Opcode Studio 64XTC, you must configure these devices in OMS so that they can com- municate properly with Pro Tools. OMS MIDI Setup dialog OMS is installed on your computer as part of the standard Pro Tools installation.

  • Page 32: Transferring Audio Between Adat And Pro Tools (Synchronized)

    OMS Setup. If you do (e.g. MTP AV, DTP, or 64XTC) not disable this option, problems may occur with MIDI and synchronization functions. • Any digital device that generates an AES/EBU, S/PDIF, or word clock signal ADAT Bridge I/O...
  • Page 33 SMPTE in some setups) provides the po- dio originally recorded in Pro Tools to an sitional reference to keep all the devices at ADAT, or whenever the ADAT Bridge I/O is the same place while the designated clock not your primary audio interface.
  • Page 34 In such a situation, the I/O automatically switches to internal sync mode until the exter- nal sync input is reconnected to ensure that playback is maintained even if the sync source is removed. ADAT Bridge I/O...

  • Page 35: Chapter 4. Using The Adat Bridge I/O In Standalone Mode

    LED will flash.) Accordingly, digital output sent via the ADAT Bridge ADAT channels are ignored. I/O’s AES/EBU, S/PDIF, and optical ports will also match the sample rate of the in- coming data. Chapter 4: Using the ADAT Bridge I/O in Standalone Mode 31...
  • Page 36 Alesis M20, set it to Optical sync.) Record enable the ADAT tracks to which you want to record. The ADAT Bridge I/O multiplexes the digital audio to all 16 opti- cal channels. Channel 1 audio (the left...

  • Page 37: Chapter 5. Synchronizing Pro Tools And Adat With An Alesis Brc

    Digidesign ADAT Bridge to Pro Tools card word clock out from ADAT Bridge I/O to BRC 48 kHz word clock in Figure 3. Wiring example for a BRC-equipped system Chapter 5: Synchronizing Pro Tools and ADAT with an Alesis BRC 33...

  • Page 38: Hardware Setup

    When used with a MIDI Interface, the BRC again to exit.) can function as the transport master while Pro Tools (via the ADAT Bridge I/O) is the For highest-quality ADAT-to-Pro Tools clock master. This configuration is best for transfers with this setup, the BRC needs to synchronized audio playback, recording, be the clock and positional master.

  • Page 39: Software Configuration

    Use another, short BNC cable to connect You can also use MIDI Machine Control in the ADAT Bridge Word Clock Out to the this (and all other) sync setups. MMC con- BRC 48 kHz In. Try to use the shortest BNC figurations are covered in “Using MIDI Ma- cable possible for word clock connections chine Control (MMC) with a BRC”...
  • Page 40 ADAT Bridge is your primary interface, In- puts 1–8 correspond to the ADAT Bridge I/O’s Group A inputs. Inputs 9–16 corre- spond to ADAT Bridge I/O’s Group B in- puts. If you have additional ADAT Bridges/ADATs, assign their inputs as well.
  • Page 41 Recording Tracks from Pro Tools to optical outputs (9–16). ADAT with a BRC • If your ADAT Bridge I/O is not your mas- This setup explains how to perform a syn- ter Pro Tools interface, you must use the chronized Pro Tools-to-ADAT track transfer output selector to route each track ac- with a BRC.

  • Page 42: Using Midi Machine Control (Mmc) With A Brc

    BRC/ADAT system using MIDI choice, use the up/down arrows in the Machine Control (MMC). BRC’s keypad (the lowercase/uppercase keys) to display MTC. With MTC selected, press the EDIT but- ton to exit edit mode. ADAT Bridge I/O...
  • Page 43 Pro Tools needs to send an MMC message Troubleshooting MMC that will tell the BRC what start time to go If you press Play and the ADATs locate but to, but Pro Tools is going to be waiting for Pro Tools won’t start, make sure that the time code to come back from the BRC Pro Tools is getting time code.
  • Page 44 ADAT Bridge I/O...

  • Page 45: Chapter 6. Synchronizing Pro Tools And Adat Using A Jl Cooper Datasync2

    Pro Tools card Interface Y-cable ADAT 2 50-pin interface cables optical cables in/out Digidesign ADAT Bridge to Pro Tools card Figure 4. Connections for the JL Cooper DataSync2 Chapter 6: Synchronizing Pro Tools and ADAT Using a JL Cooper DataSync2 41...

  • Page 46: Hardware Setup

    Chapter 2. tween Pro Tools and ADAT with 1/4 frame On the ADAT: accuracy or better. For near-sample accu- rate sync, add a Digidesign USD. Set the ADAT’s clock to Internal. On the DataSync2: To connect this setup: Make the primary connections as ex- Turn on the DataSync2 after you’ve...
  • Page 47 figuration document as your current OMS tion track to assign its input. Inputs 1-8 setup. correspond to the ADAT Bridge I/O’s Group A inputs. Inputs 9-16 correspond to ADAT Bridge I/O’s Group B inputs. If you have ad- ditional ADAT Bridges/ADATs, assign their inputs as well.
  • Page 48 Refer to your ADAT In such cases, you should transfer the manual for details. phase-synchronous material in a single pass. That way, whatever delay is intro- duced will be introduced equally to the ma- terial, maintaining its phase coherence. ADAT Bridge I/O...

  • Page 49: Chapter 7. Synchronizing Pro Tools And Adat Using The Mtp Av

    ADAT 2 50-pin interface cables optical cables in/out Digidesign ADAT Bridge to Pro Tools card 256x clock signal, to ADAT Bridge Slave Clock IN Figure 5. Cabling Example for the MTP AV Chapter 7: Synchronizing Pro Tools and ADAT using the MTP AV 45...

  • Page 50: Hardware Setup

    Pro Tools to output MTP AV to the “Slave Clock In” port on the MMC. ADAT Bridge I/O. Make sure that the serial or USB connec- To record from ADAT to Pro Tools: tion from the MTP AV to your CPU is cor- In the Session Setup window: rect.

  • Page 51: Chapter 8. Synchronizing Pro Tools And Adat Using A Digital Timepiece

    ADAT 2 50-pin interface cables optical cables in/out Digidesign ADAT Bridge to Pro Tools card Word clock(1x) signal from ADAT Bridge (I/O) Figure 6. Connecting a DTP to an ADAT Bridge, Pro Tools and ADAT Chapter 8: Synchronizing Pro Tools and ADAT Using a Digital TimePiece 47...

  • Page 52: Hardware Setup

    Pro Tools transport via the ADAT, or con- Press the format button and choose the trol the ADAT’s transport via Pro Tools. In desired frame rate. either case, Pro Tools should provide the master clock reference signal. ADAT Bridge I/O...
  • Page 53 Recording Tracks from Pro Tools to tion track to assign its input. Inputs 1–8 ADAT with a DTP correspond to the ADAT Bridge I/O’s Group This setup explains how to perform a syn- A inputs. Inputs 9–16 correspond to ADAT chronized Pro Tools-to-ADAT track transfer Bridge I/O’s Group B inputs.
  • Page 54 Pro Tools Sync Mode to Internal. Use the Output Selector of each Pro Tools track to assign its output. • If you are using an ADAT Bridge I/O as your master Pro Tools interface, Pro Tools channel 1–8 outputs corre- spond to Group A optical outputs (1-8) and channel outputs 9–16 correspond to...

  • Page 55: Chapter 9. Synchronizing Pro Tools And Adat Using An Opcode Studio 64Xtc

    ADAT 2 50-pin interface cables optical cables in/out Digidesign ADAT Bridge to Pro Tools card 256x clock signal, to ADAT Bridge Slave Clock IN Figure 7. Connecting a Studio 64XTC to an ADAT Bridge, Pro Tools and ADATs Chapter 9: Synchronizing Pro Tools and ADAT using an Opcode Studio 64XTC 51...

  • Page 56: Hardware Setup

    “port 5”). Refer to your OMS documen- Out to the Slave Clock (256x) In of your tation for details on creating an OMS de- primary audio interface (ADAT Bridge I/O vice or assigning its port. or other). If you have multiple audio inter-...
  • Page 57 In OMS, choose Studio 64XTC > Edit Pro- grams. Configure it similar to the follow- ing: Studio 64XTC Edit Programs window Select Store Current Program in the Stu- dio 64XTC menu to save the settings. In Pro Tools: In the Peripherals/Synchronization win- dow select “Generic Device”...
  • Page 58 ADAT Bridge I/O...

  • Page 59: Chapter 10. Connecting Pro Tools To An Adat-Compatible Digital Mixer

    10 Connecting Pro Tools to an ADAT-Compatible Digital Mixer You can use your ADAT Bridge I/O to con- Connect a an optical cable from optical nect your Pro Tools system with an ADAT- output #1 on the digital mixing console to compatible, ADAT optical-equipped digital Optical #1 In on the ADAT Bridge I/O.
  • Page 60 ADAT Bridge I/O...

  • Page 61: Appendix A. Adat Bridge I/O Technical Specifications

    Connector XLR male per IEC 268-12 Gain Settings Word Clock Out +4 dBu and –10 dBV, software selectable Level TTL (3.3 V typical) Digital-to-Analog Converter Connector BNC Female 24-bit D/A converters, Delta-Sigma Appendix A: ADAT Bridge I/O Technical Specifications 57...

  • Page 62: Miscellaneous

    3-pin, AC and ground (IEC style) Operating Temperature Sync Modes 32 to 131 degrees F (0 to 55 degrees C) Internal, ADAT optical, digital audio, slave clock Storage Temperature –40 to 176 degrees F (–40 to 80 degrees C) ADAT Bridge I/O...
  • Page 63 Relative Humidity 0 to 95%, non-condensing Weight 4.4 lbs (2.4 kg) Vibration Resistance 5 mm displacement, 10 to 55 Hz, each axis Shock 5 G max Appendix A: ADAT Bridge I/O Technical Specifications 59...
  • Page 64 ADAT Bridge I/O...

  • Page 65: Index

    Computer B connector 9 sample rate and BRC 34 connect XT firmware 3 BRC 33 XT20 firmware 3 DataSync2 41 ADAT Bridge I/O Digital Mixing Console 55 primary connections 5 Digital TimePiece 47 ADAT optical 20 MIDI TimePiece AV 45 cables 5...
  • Page 66 MIDI Time Code 27 slave clock cable 5 mixing console 3 Slave Clock In/Out 10 MMC 38 SMPTE frame rate 43 port 39 SMPTE Out 35 modes for monitoring audio 22 speakers 3 modular digital multitrack (MDM) 1 ADAT Bridge I/O...
  • Page 67 29 trashing the DigiSetup file 18 Universal Slave Driver and BRC 34 Use Apple Serial DMA, disable 28 using ADAT Bridge I/O without Pro Tools 31 using MMC with a BRC 38 Windows and sync 26 Word Clock Out 10...
  • Page 68 ADAT Bridge I/O...

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