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Lynx AES16 User Manual

Lynx 192 khz multichannel aes/ebu interface
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  • Page 2: Table Of Contents

    Uninstalling the LynxTWO/L22/AES16 Device Driver and Mixer ......21 2.3.5 Updating the LynxTWO/L22/AES16 Device Driver and Mixer......21 Macintosh OS 9 ........................22 2.4.1 Insert AES16 Installation CD in CD ROM Drive and Start Computer ....22 2.4.2 Firmware Update ......................22 2.4.3 Installing the OS9 ASIO Driver and Mixer...............23 2.4.4...
  • Page 3 11.3 Locating the Serial Number of Your AES16...............72 Appendices ......................... 73 12.1 I/O Configuration Jumpers ..................73 12.2 Specifications........................75 12.3 Updating From the AES16 Standard NT4 Driver ............77 12.4 Safety instructions......................78 12.5 EMC Certifications......................79 12.5.1 FCC DECLARATION OF CONFORMITY ..............79 12.5.2...
  • Page 4 License Agreement ......................80 Warranty Information ......................81...

  • Page 5: Introduction

    96 kHz and 192 kHz devices. Up to four AES16 cards can be installed in a single host computer to deliver a total of 64 inputs and 64 outputs of ultra-high bandwidth audio performance.

  • Page 6: Features

    Eight stereo record and playback devices available to audio applications Transformer-coupled 24-bit AES/EBU inputs and outputs available on XLR or DB25 cables Eight channels of mastering-quality sample rate conversion available (on model AES16-SRC) Sync to external AES/EBU signals or word clocks SynchroLock™...

  • Page 7: In The Box

    Below are listed the minimum hardware and operating system requirements for compatibility with the AES16. It is important to note that most professional audio applications place significant demands on your computer’s resources, and it is therefore recommended that you meet or exceed the recommended system requirements for your Digital Audio Workstation software, which will likely be greater than those listed for the AES16.

  • Page 8: Installation Procedures

    The Lynx Installation CD contains all driver files mentioned in the subsequent installation steps, as well as the AES16 manual, driver release notes and test files. If you do not have a CDROM drive or need a more recent version, these files are available on our website at http://www.lynxstudio.com/download.html.

  • Page 9: Installing The Windows Version 2 Driver Package

    Windows 2000 select “Sounds, video and game controllers” as a hardware type, and click “Next>”. From the next screen click “Have Disk”, then type in the drive letter of your CD-ROM drive, i.e. D:\, then click “OK”. Select the AES16 or AES16-SRC from the list of choices and click “Next>”.) Windows will begin to search for the appropriate driver files: You may receive a warning that the driver has not been digitally signed by Microsoft.

  • Page 10: Uninstalling The Aes16 Windows Version 2 Driver Package

    Installation Procedures 2.2.3 Uninstalling the AES16 Windows Version 2 Driver Package From the start menu, click on “Control Panel.” (NOTE: In Windows 2000 click on Settings> Control Panel.) Click “System” to launch System Properties: Choose “Device Manager” from the “Hardware” tab:...
  • Page 11 Installation Procedures Expand the “Sound, video and game controllers” section of device manager be clicking its + sign: Right click on “Lynx AES16” and choose “Uninstall” Confirm device removal by clicking “OK”. (Note: In Windows 2000, click “Yes” when prompted to restart your computer.)

  • Page 12: Updating An Existing Wdm Driver

    Double-click the downloaded file to decompress, and accept the default destination folder of C:\Lynx. Click “Yes to All” when prompted to confirm the files to be replaced. From the start menu, click on “Control Panel.” (NOTE: In Windows 2000 click on “Settings > Control Panel.”) AES16 User Manual...
  • Page 13 Installation Procedures Click “System” to launch System Properties. Choose “Device Manager” from the “Hardware” tab. Expand the “Sound, video and game controllers” section of device manager be clicking its + sign. AES16 User Manual...
  • Page 14 From the next window, select "Don’t search, I will choose the driver to install”. Click "Next >" to proceed. (NOTE: (In Windows 2000, choose “Display a list of the known drivers for this device…” and click “Next>). When prompted to select a device driver, click “Have Disk”. AES16 User Manual...
  • Page 15 A:\) – type “C:\Lynx” in the text box, and click “OK”. You will be prompted to select the device driver you are installing. “Lynx AES16” will be your only choice. Select it and click “Next>”. (NOTE: In Windows 2000, choose AES16 from the list, then click “Next>”.
  • Page 16 Next, we need to update the Lynx Mixer. From the Start Menu, choose “My Computer.” (NOTE: In Windows 2000 click the “My Computer” icon on the desktop.) Double-click on the C: Hard Drive and look for the “Lynx” Folder. Double Click the folder to open it.

  • Page 17: Macintosh Os X

    The Lynx Installation CD contains all firmware and driver files mentioned in the subsequent installation steps, as well as the AES16 mixer, manual, driver release notes and test files. If you do not have a CDROM drive or need a more recent version, these files are available on our website at http://www.lynxstudio.com.
  • Page 18 Installation Procedures In a few moments, the “Lynx Two Firmware Update” dialog box should appear. Confirm that the correct Lynx Card model appears under “Model” (please note: pictured below is the SRC version), and also confirm that the Firmware Version and New Firmware Versions are NOT the same.

  • Page 19: Install The Aes16 Device Driver And Mixer

    Installation Procedures 2.3.3 Install the AES16 Device Driver and Mixer Locate the file LynxTWO_OSX.sit on the AES16 Installation CD and drag the file onto the computer desktop, or download the latest OS X driver file from http://www.lynxstudio.com/download.html to the computer desktop.
  • Page 20 When the install is complete, you will be prompted to restart the computer. NOTE: The OS X installation process installs both the Core Audio driver and the Lynx Mixer application. The Lynx Mixer application is installed in the “Applications” folder.

  • Page 21: Uninstalling The Lynxtwo/L22/Aes16 Device Driver And Mixer

    To update the LynxTWO driver with a newer version, simply follow the instructions for uninstalling the driver and then install the newer version per the installation instructions. You may need to reconfigure the Lynx mixer and your recording application(s) after updating the driver. AES16 User Manual...

  • Page 22: Macintosh Os 9

    The Installation CD contains all firmware and driver files mentioned in the subsequent installation steps, as well as the AES16 manual, driver release notes and test files. If you do not have a CDROM drive or need a more recent version, these files are available online at http://www.lynxstudio.com/download.html.

  • Page 23: Installing The Os9 Asio Driver And Mixer

    2.4.5 Updating the AES16 Device Driver and Mixer To update the AES16 driver with a newer version, replace the existing LynxTWO file from the “ASIO Drivers” folder of your audio application with the newer LynxTWO file. AES16 User Manual...

  • Page 24: Hardware Connections

    Hardware Connections 3 Hardware Connections 3.1 Overview The AES16 includes eight AES/EBU compatible inputs and four outputs or eight inputs or inputs and outputs that provide sixteen channels outputs. Refer to Section 12.1 I/O Configuration of digital audio I/O. These signals are available...

  • Page 25: Aes/Ebu Cable Connections

    Hardware Connections 3.2 AES/EBU Cable Connections To minimize cabling issues, a variety of breakout cables are available for the AES16. The CBL-AES1604 cable, which is included with the AES16-XLR and AES16-SRC products, provides standard XLR connectors. The CBL-AES1603 and CBL-AES1605 are optional cables that provide 25-pin D-Sub connectors compatible with industry standard multi-channel digital equipment connectors.

  • Page 26: Connections To Equipment With 25-Pin Aes/Ebu D-Sub Connectors

    Whether you designate the AES16 as the clock master (slaving all other devices to it) or slave the AES16 to another clock master, it is important that only a single device act as clock master, to prevent the occurrence of audible digital errors.

  • Page 27: Internal Clocking And Multi-Card Systems

    Lynx mixer. Adjust the clock Reference to match the incoming clock type. The signal on the CLOCK OUT header is a word clock that tracks the sample rate of the AES16. Connect this output to the word clock input of an internal device or another AES16.

  • Page 28: Common Studio Setups

    Set the D/A converter to slave to one of its digital inputs. Alternatively, another word clock signal from the A/D or from I/O Port B of the AES16 could drive the word clock input of the D/A.

  • Page 29: Digital Mixer

    Each of these ports provides eight channels of input and eight channels of output. In this setup, either the digital mixer or AES16 can act as the system clock master depending on the clock settings of each device. In each case, the clock is transmitted to the receiving device via the AES/EBU connection.

  • Page 30: Combined Use Of Xlr And Db25 Cable Sets

    When using the CBL-AES1603 connected to an Apogee 16-channel converter, the associated I/O port on the AES16 must be set to 8 CHNL mode. For this example, set the jumper for I/O Port A to 8 CHNL mode. Confirm that the I/O Port B jumper is in the factory default 4/4 CHNL mode. See Section 12.1 I/O Configuration Jumpers for more information.
  • Page 31 Additional Setups with Apogee Converters It is also possible for the AD16X to be the system clock master for the AES16 and D/A converter. Since the CBL-AES1603 cable does not have a BNC connection for an external word clock input, the AES16 must use one of its digital inputs to derive a clock source.

  • Page 32: Getting Started

    The installation of your AES16 can be tested using the Lynx Mixer and the Lynx Demo application included on the AES16 Installation CD. This is a quick way of verifying that the AES16 card is installed correctly and properly connected to your external equipment.
  • Page 33 Internal, that the output levels are at maximum, and that no channels are muted. Launch the Lynx Demo application by double-clicking the Demo32.exe file. The Lynx Demo program should appear in the upper left corner of your screen. Make certain that the Play Device is set to Lynx AES16 Play 1.
  • Page 34 Getting Started Check the Lynx Output mixer and confirm meter activity for Digital Out 1L and Digital Out 1R. If you have speakers or headphones connected to your destination device, you should hear audio as well as seeing meter activity.

  • Page 35: Macintosh Os X Quick Audio Test

    The installation of your AES16 can be tested using the LynxTWO Mixer and the Demo version of Bias Peak that was included on your AES16 Installation CD. This is a quick way of verifying that the AES16 card is installed correctly and is connected correctly to your external equipment.
  • Page 36 Click “Play” from the Peak transport. You should see meter activity and the counter progressing. Check the Lynx Output mixer and confirm meter activity for Digital Out 1L and Digital Out 1R. If you have speakers or headphones connected to your destination device, you should also hear audio and see meter activity.

  • Page 37: Macintosh Os9 Quick Audio Test

    4.3 Macintosh OS9 Quick Audio Test The installation of your AES16 can be tested using the Demo version of Bias Peak that was included on your AES16 Installation CD. This is a quick way of verifying that the AES16 card is installed correctly and is connected correctly to your external equipment.
  • Page 38 You should see the cursor scroll from left to right. If you have speakers or headphones connected to your destination device, you should hear audio and see meter activity. If the test did not operate as described or you received any errors, please refer to Section 10 Troubleshooting. AES16 User Manual...

  • Page 39: Operational Overview

    5.1 Signal Flow As shown in the signal flow diagram below, the The architecture of the digital mixer consists of AES16 with its on-board digital mixer provides 16 record channels and 16 play channels that are extensive signal routing capabilities that can accessible to host applications as eight stereo adapt to any studio requirement.

  • Page 40: Physical Inputs

    Lynx LStream device, such as the LS-ADAT that offers 16 channels of ADAT In the case of the SRC version of the AES16, the lightpipe. The signals from the LStream header signals on digital inputs 5 – 8 then pass through a...

  • Page 41: Digital Mixer Outputs

    AES16 input or any play device below these buttons. The master fader on the receiving data from a host application in Outputs window of the Mixer adjusts all of the playback mode.

  • Page 42: Sample Clock Generator

    Operational Overview 5.2 Sample Clock Generator The AES16 utilizes a master sample clock selection of various clocks sources ands both a generator to derive all clocks related to the wide range and SynchroLock phase-lock loop digital audio sampling rate. As shown in Figure (PLL).

  • Page 43: Synchrolock

    LOCK indicator in the synchronization while insuring bit-perfect digital SynchroLock status window is observed. This transmission. When the AES16 is connected in status window is located on the Adapter window an AES/EBU daisy chain, SynchroLock acts like of the Lynx Mixer.

  • Page 44: Lynx Mixer Reference

    By clicking on this icon, the Lynx Mixer will launch. If you do not have the Windows Quick Launch bar activated, the Lynx Mixer can be started be selecting “Start > Programs > Lynx Studio Technology >...

  • Page 45: Adapter Window

    6.2 Adapter Window Sample Clock Section This section of the mixer provides control of the system sample clock generator. All AES16 audio devices on a single card MUST have identical sample rates since there is one on-board generator. Sample rates cannot be changed while AES16 is playing or recording.
  • Page 46 Lynx Mixer Reference Rate Displays the current sample rate of the AES16. When the AES16 is being used for recording or playback by an application, the rate shown is the rate set by the application. Applications are always the “master” in terms of setting the sample clock rate of the card.
  • Page 47 This is typically not an indication of clock jitter. Digital Input Status Section This section displays status information pertaining to the AES16’s eight inputs. The data displayed indicates the quality of the AES/EBU connections as well as channels status data sent by a transmitting device.
  • Page 48 However, it is possible for a rate discrepancy to exist during a valid transmission. Clock Rate Clock Rate displays a real-time measurement of the sample rates of the incoming signals. These measurements are very useful for evaluating and validating digital inputs when synchronization or clocking issues are encountered. AES16 User Manual...
  • Page 49 Digital In 5 is running at 48 kHz, the AES16-SRC is running at 44.1 kHz, and SRC Enable for Digital In 5 is ON, the AES16-SRC will convert the sample rate from 48 kHz to 44.1 kHz and the SRC Ratio (see below) will indicate approximately 0.918:1.

  • Page 50: Record/Play Window

    LS-ADAT ADAT card was connected to the AES16’s LStream Port. Peak Meter These meters display the instantaneous peak level of audio being sent to the AES16 input selected by the Input Source Select buttons. AES16 User Manual...
  • Page 51 This status indicator represents the number of audio dropouts that have occurred during recording on a record device. Dropouts can produce audible glitches in audio files. They are typically caused by a computer’s inability to process data from the AES16 fast enough. The indicator is reset at the start of recording.
  • Page 52 Please note play device information is unrelated to the record device controls contained in the same vertical panel on the Record/Play Window. The location of this information was chosen in order to provide a compact view of record and play device status. AES16 User Manual...

  • Page 53: Outputs Window

    1& Overload Indictor This indicator represents the number of signal overloads that have occurred on an output. Overloads occur when the summation of the four monitor sources feeding an output exceeds the full scale digital output level. AES16 User Manual...
  • Page 54 This button enables the addition of triangular probability density dither for each associated output. Dither is recommended for improving signal fidelity when more than one monitor source is driving an output or when the volume fader is not at its maximum. AES16 User Manual...

  • Page 55: Mixer Menu

    Delete button. The Mixer Scene dialog box will remain open to allow further editing/deleting of scenes. NOTE: When the computer is shut down, the current mixer state is saved. When the computer is restarted, the mixer state is restored. This function is independent of Mixer Scene operation. AES16 User Manual...
  • Page 56 Mixer/Driver Version: Displays the current driver version and build number. Build Date: Displays the date the driver and mixer were released. Adapter Name: Displays the name of the Lynx audio adapter installed. Up to four Lynx audio adapters may be shown.

  • Page 57: Settings Menu

    The Settings Menu offers access to advanced settings and an alternative method of accessing commonly used functions that appear in the Adapter Window. Always on Top When this option is checked, the Lynx Mixer window stays on top of other active windows. 2& High Resolution Clock Rates When checked, this option enables the display of measured clock rates with 1-hertz resolution.
  • Page 58 Advanced This option provides access to several advanced menu functions. SRC Match Phase – This option will only appear when using an AES16-SRC. When checked, enables the SRC Match Phase mode to ensure that all locked digital inputs using the sample rate converter are in phase.

  • Page 59: Using The Aes16

    For more information on saving and recalling mixer scenes, refer to Section 6.5 Mixer Menu. 7.2 Input Patching The physical inputs of the AES16 can be patched to any Record Bus channel of the on-board digital mixer. This feature allows complete flexibility in routing inputs to tracks and record devices within software applications.

  • Page 60: Monitoring Theory

    The four Monitor Select blocks shown in the submixer diagram correspond to the four Output Monitor Source buttons above the faders on each output channel of the Lynx Mixer. A mouse click on one of these buttons launches a menu of Record and Playback sources. Selecting a Record source causes in input signal to be routed to the output.

  • Page 61: Using Direct Monitoring In An Asio Application

    AES16’s on- board digital mixer. Instead of using the Lynx Mixer to manually enable monitoring as discussed in the previous section, controls within the application provide convenient access to this functionality.

  • Page 62: Playback Routing And Mixing

    Click the speaker icon in Samplitude/Sequoia to enable Direct Monitoring. 7.3 Playback Routing and Mixing In addition to standard monitoring of inputs through physical outputs, the Lynx mixer is capable of sophisticated routing and mixing of playback and record sources. One can monitor playback from several applications through a single output, combine live input and playback streams, and record a single source into several applications with the power of this flexible tool.

  • Page 63: Clock Selection And Control

    7.4 Clock selection and control A valid clock source signal must be connected to the Sample Clock Reference setting selected on the appropriate AES16 clock connector when the the Adapter window the Mixer. The frequency of Sample Clock Source is set to “External,”...

  • Page 64: Aes/Ebu Dual-Wire Operation

    7.6.1 ASIO Positioning Protocol The AES16 drivers support Steinberg's ASIO used in conjunction with the AES16 in order to Positioning Protocol (APP) for users that need provide a sync source to the system. With a valid timecode synchronization capabilities and use an...

  • Page 65: Bus Mastering

    A number of factors determine the clicks and pops can occur. One should become achievable latency performance of a system familiar with altering the AES16 buffer size to housing the AES16 card: processor speed, best suit their projects. Project sample rate is a...

  • Page 66: Working With Third Party Applications

    ID assigned by the operating system. For example, the analog output device on adapter 2 would be listed as “AES16 2 Record 1”. Refer to the “Configuring Multiple AES16’s” section below for more information.

  • Page 67: Controlling Audio Bit Depth

    AES16. application’s recording settings. These settings are typically adjusted in an audio device The AES16 supports file types with 8, 16, 24, or configuration menu or in a recording setup 32 bit word widths. Note that 32-bit files contain window just prior to recording. When recording...

  • Page 68: Configuring Multiple Aes16'S

    AES16 that is on one end of the PCI monitoring. slot array on your motherboard. Choose an audio application that allows...

  • Page 69: Adapter Id's

    In the Lynx Mixer, the adapter that a user wishes will contain the adapter ID. For example, the to control is selected from the “Window” pull- first play device on adapter 2 is listed as “AES16 down menu. In a system with four AES16’s the 2 Play 1”.

  • Page 70: Mixer Settings

    Configuring Multiple AES16’s 9.4 Mixer settings With the clock connections in place, the sample For each slave AES16: clock settings of each AES16 must be adjusted using the Lynx Mixer. Select the master AES16 Adapter window of the Lynx Mixer.

  • Page 71: Troubleshooting

    If you see signal appearing on the AES16’s output meters, verify your output connections, making certain you have a valid signal flow from the AES16’s outputs to your mixer or other D/A device, and from that device to your speakers.

  • Page 72: Support

    11.3 Locating the Serial Number of Your AES16 To register your AES16, you must supply its serial number. The serial number is located on a label attached to the back of the card, and on the shipping carton. You can also determine the serial number of your card by selecting About Mixer in the Mixer menu of the Lynx Mixer.

  • Page 73: Appendices

    I/O Port A and I/O Port B can be configured to JP5 and JP6. The mode selected must be support two different I/O routing modes. The compatible with the AES16 breakout cable being routing mode is selected by the position of two used.
  • Page 74 In either I/O Configuration mode, a clock input signal is available on I/O Port A and a clock output signal is available on I/O Port B. These signals are available on the BNC connectors on CBL-AES1604 breakout cable AES16 User Manual...

  • Page 75: Specifications

    Sample Rates dual-wire modes Sample Rate Eight channels available with support for conversion ratios up to 16:1. Conversion Dynamic range: 142 dB. Multiple-input SRC phase matching. AES16-SRC model only. RCHITECTURE Core FPGA-based core contains custom PCI interface, data routing and formatting, device/stream control, digital mixing, clock routing and control, and DMA engine.
  • Page 76 Supports 4 channels of input and output. Compatible with devices with standard Yamaha digital I/O pinout from Yamaha, Apogee, Mackie, and others. Twelve- foot, 110-ohm shielded twisted pair cabling. Other cables to be offered for connection to equipment from Tascam, Sony, and Digidesign AES16 User Manual...

  • Page 77: Updating From The Aes16 Standard Nt4 Driver

    If updating from the standard NT4 driver, you will need to uninstall the NT4 driver before you can load the WDM driver. • From the start menu, click on “Lynx Studio Technology”, and then click “Uninstall LynxTWO”. • Choose “Uninstall” from the next screen that appears.

  • Page 78: Safety Instructions

    TV reception. The measures: user is cautioned that changes and modifications made to the equipment without the approval of manufacturer could void the user’s authority to operate this equipment. AES16 User Manual...

  • Page 79: Emc Certifications

    AES16 COMPLIANCE TEST REPORT NUMBER: Covered by European Standards Report #B30915V1 COMPLIANCE TEST REPORT DATE: November 2, 2003 RESPONSIBLE PARTY (IN USA): Lynx Studio Technology, Inc. ADDRESS: 711 West 17 Street, Suite H3, Costa Mesa, CA 92627 TELEPHONE: (949) 515-8265 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules.
  • Page 80 13 License Agreement This legal document is an agreement between complete agreement between you and Lynx you and Lynx Studio Technology, Inc. By Studio Technology, Inc. If you do not agree to opening the sealed board package, or written the terms of the Agreement, DO NOT OPEN the materials, you are agreeing to become bound by anti-static bag containing the AES16 board.

  • Page 81: Warranty Information

    ANY IMPLIED WARRANTIES, INCLUDING IMPLIED WARRANTIES OF Lynx Studio Technology, the Lynx Logo, AES16 and the AES16 Logo are trademarks of Lynx Studio Technology, Inc. All other product or company names are the trademarks or registered trademarks of their respective owners.

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