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Crystal Vision TANDEM-200 User Manual

Dual embedder/de-embedder and audio processor
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TANDEM-200
Dual embedder/de-embedder and audio
processor
Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England.
E-mail: sales@crystalvision.tv
Website: www.crystalvision.tv
Tel: +44(0) 1223 497049
Fax: +44(0) 1223 497059

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  • Page 1 TANDEM-200 Dual embedder/de-embedder and audio processor Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England. E-mail: sales@crystalvision.tv Website: www.crystalvision.tv Tel: +44(0) 1223 497049 Fax: +44(0) 1223 497059...

  • Page 2: Table Of Contents

    Crystal Vision TANDEM-200 User Manual R1.7 Contents Introduction     Audio processing     Assigning delay   External reference   Handling ancillary data   SDI PLL function   Factory defaults   Monitoring   Rear connector options     Operational modes  ...

  • Page 3: Mode

    Crystal Vision TANDEM-200 User Manual R1.7 Setting audio delay   Preset Controls   Miscellaneous   Using the Toolkit   Statesman operation in mode 3     Audio routing   Setting audio delay   Preset Controls   Miscellaneous   Using the Toolkit  ...

  • Page 4: Mode Changes To And From Mode

    Crystal Vision TANDEM-200 User Manual R1.7 Ancillary data status   Input and output trouble shooting status   Selecting default routing     Audio routing     Selecting groups   Selecting sources and destinations   Assigning delay/phase inversion and muting  ...
  • Page 5 Crystal Vision TANDEM-200 User Manual R1.7 10.6 Sub-module link settings     Problem solving     11.1 Card edge status LEDs     11.2 Card edge error messages     11.3 Statesman error reporting     11.4 Sample problems and their solution:  ...

  • Page 6: Introduction

    SDI path to another. Many of these features are only available in specific operational modes. A new TANDEM-200 delivered from the factory will configure itself for Mode 1 and have two independent SDI paths, each of which contains a de-embedder, an embedder, or a de-embedder plus an embedder and independent functions for any installed option cards.
  • Page 7 The option card position for side 1 is at the top of the modules and the slot for side 2 is at the bottom of the module. An 18 volt regulator option card is also required for analogue input or output cards. TANDEM-200 - sub-pcb or option card positions #1 and #2 The available option cards are: •...
  • Page 8 Mode 4 – Audio break-out and embed – Dual stereo de-embedders followed by dual stereo replace embedders TANDEM-200 architecture - internal pathways are entirely re- arranged each time a different mode is selected In practice mode changes effectively re-program the module logic to create the exact functions and interconnections for each mode.

  • Page 9: Audio Processing

    This logic applies to Modes 1, 2 and 4. Mode 3 has only a combined embed router so all audio paths through that router may have delay assigned. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 10: External Reference

    The PLL can be placed in either an SDI 1 or SDI 2 input path prior to processing, so all of the functions of that side, as well as the SDI output, benefit. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 11: Factory Defaults

    Always check that the appropriate groups are selected for embedding or de-embedding Note: after loading defaults (refer to section 9.4 for card edge controls). Monitoring TANDEM-200 is equipped with two monitoring outputs: • analogue headphone output • analogue or AES rear connector output The rear connector output is fed from a monitoring ‘bus’...

  • Page 12: Rear Connector Options

    1.2 Rear connector options TANDEM-200 fits into FR2AV 2U frame for up to 12 Crystal Vision modules, the FR1AV 1U frame for up to 6 Crystal Vision modules and the DTB-AV Desk top box for up to 2 Crystal Vision modules.

  • Page 13: Operational Modes

    1.3 Operational modes Mode 1 Mode 1 mode allows the embed and de-embed functions on each side to be set independently. TANDEM-200 in Mode 1 Mode 1 provides the following functions: • single embedder, single de-embedder or single de-embedder+embedder •...
  • Page 14 (possibly different) group. There is one delay module available on each side, this means that delay can be assigned to an output router or an embed router but not to both. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 15 Mode 2 uses all module resources for a single SDI path to provide support for shuffling audio channels between two embedded audio groups and up to eight external mono (or four stereo) audio channels. TANDEM-200 in Mode 2 Mode 2 provides the following functions: •...

  • Page 16: Mode 3

    Mode 3 is referred to as ‘Audio Bridge’ since it can easily be used to bypass video processing equipment such as a DVE or ARC that does not pass embedded audio. TANDEM-200 in Mode 3 Mode 3 provides the following functions: •...

  • Page 17: Mode 4

    Mode 4 is be referred to as ‘audio break-out and embed’. Background audio of a sports event can be monitored on two channels (de-embed) and commentary added on the other two channels (embed). This operation can be performed for two embedded SDI inputs. TANDEM-200 in Mode 4 Mode 4 provides the following functions: •...

  • Page 18: Data Packet Management

    (EAV) and the start of active video (SAV). A group is comprised of two AES/EBU stereo signals or four monaural channels. Each TANDEM-200 ‘side’ can de-embed up to four additional audio channels from one of the four groups of its SDI input stream and can embed four audio channels into one of four possible audio groups in the output SDI stream.

  • Page 19: Hanc Processing

    If ‘Mark for Deletion’, ‘Blank HANC’ are in place then EDH CRC values will no longer be valid. In this case, new EDH insert CRC values are calculated and inserted into the EDH data block in each TV field. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 20: Vertical Switching

    SMPTE recommendations with a switch-point gap. This allows TANDEM-200 to convert material from SONY formats to SMPTE. It is also possible to convert SMPTE to SONY format, however, in this case the de-embed mode should be placed in the special setting of SONY/SMPTE or ‘ALL’...

  • Page 21: Trading Process Speed For Robustness

    Crystal Vision Data packet management Trading process speed for robustness SONY and SMPTE embed/de-embed modes for the TANDEM-200: Embed modes Speed >> Robustness >> Card edge (Statesman) SONY1 (Sony audio fifo min) * * * * * * * * *...
  • Page 22 SDI in to SDI out is 1.481µs (400 clock cycles at 270 MHz) with SDI PLL set to OFF. Selecting PLL ON will add a variable amount of delay between 0.6 and 8.9 microseconds, dependent on the severity of jitter and wander of the incoming 270 Mb/s SDI clock rate. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 23: Installing Statesman

    Running Statesman for the first time The Statesman PC Control System may be run from the Crystal Vision programs folder via the Start menu or by double-clicking on the Crystal Vision.exe file in the installed program directory. When the program runs it should automatically detect any statesman compatible modules in the connected frame or frames and display them in the main application left hand explorer-style window.

  • Page 24: Selecting The Operating Mode

    0% in 5% steps up to 100%. To change mode and have Statesman recognise the change proceed as follows: • change the TANDEM-200 mode as required from Statesman or the card-edge • Statesman will recognised its new mode once configuration completes Mode changes to and from Mode 3 •...
  • Page 25 The two panes allow dual-control display of both TANDEM-200 circuit paths or ‘sides’, or two functions such as both embed and output routing can be shown for the same ‘side’.

  • Page 26: Audio Routing

    SDI stream and embed them into any channel of any one audio group in the outgoing SDI stream on the same side. If TANDEM-200 firmware or sub-boards have been changed it is recommended to start Tip: by loading valid default settings for the entire routing table held in TANDEM’s non- volatile memory.
  • Page 27 SMPTE/SONY – slowest processing delay - use when input may not be in Sony format AES input status The AES external signal and reference input status is shown using card edge reference codes. The selection of external audio is made using ‘Audio Output Routing’. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 28 SMPTE audio fifo mid – (SMPTE 2) medium processing delay • SMPTE audio fifo max – (SMPTE 3) large processing delay • SMPTE – (SMPTE 4) slowest and most robust processing Embedding modes are discussed in-depth in the Data packet management chapter. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 29 (C for side 1 and D for side 2) has been turned off. This occurs because there is only one delay function available on each TANDEM-200 side. To assign delay to an embedder ensure that a group (1- 4) has been selected in the Audio Groups Out section for the appropriate TANDEM-200 side.
  • Page 30 (C for side 1 and D for side 2) has been turned on. This occurs because there is only one delay function available on each TANDEM-200 side. To assign delay to an output router ensure that ‘none’ has been selected in the Audio Groups Out section for the appropriate TANDEM-200 side.

  • Page 31: Setting Audio Delay

    The HANC error indicator will illuminate if there is no further room in the HANC space to add another audio group. TANDEM-200 should not be set to embed any further groups unless the option to blank the HANC space before embedding is selected.

  • Page 32: Preset Controls

    Click on ‘Recall’ to recall setup data from the selected preset ‘GPI controls preset recall’ should not be checked whilst presets are being created or recalled by this menu to prevent inadvertent GPI operation. Enable ‘GPI controls preset recall’ when finished if required. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 33 TANDEM card. TANDEM-200 switches the AES monitor bus to monitor de-embedder outputs when de- embedders are on and input card outputs when de-embedders are off. If there are no input cards then digital silence will be output when de-embedders are off.

  • Page 34: Miscellaneous

    GPO will be asserted low as an alarm when ‘flag’ is selected. Visual indication of GPO 5 and 6 status is also provided. See section 9.2 for further discussion of GPIs and pinout details. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 35 SDI audio data will have been locked to the station master video source, so that the 48kHz sample rate and AES word rate are both considered synchronous with the video signal. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 36: Using The Toolkit

    Statesman operation in mode 1 Using the Toolkit The Toolkit, accessed from the Audio Delay menu, provides comprehensive error reporting and status information. TANDEM-200 Toolkit Refer to the Trouble Shooting chapter for more information on the Toolkit. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 37 The two panes allow dual-control display of both TANDEM-200 circuit paths or ‘sides’, or two functions such as both embed and output routing can be shown for the same module.

  • Page 38: Audio Routing

    Mode 2 supports only a single SDI path. Routing between video paths is only possible with mode 3. If TANDEM-200 firmware or sub-boards have been changed it is recommended to start Tip: by loading valid default settings for the entire routing table held in TANDEM’s non- volatile memory.
  • Page 39 Sony audio fifo max – slow processing delay • SMPTE/SONY – slowest processing delay - use when input may not be in Sony format AES input status The AES external signal and reference input status is shown using card edge reference codes. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 40 SMPTE audio fifo mid – (SMPTE 2) medium processing delay • SMPTE audio fifo max – (SMPTE 3) large processing delay • SMPTE – (SMPTE 4) slowest and most robust processing Embedding modes are discussed in-depth in the Data packet management chapter. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 41 (C or D) has been turned off. This occurs because there is only one delay function available on each TANDEM-200 ‘side’. To assign delay to an embedder ensure that a group (1 - 4) has been selected in the Audio Groups Out section for the appropriate embedder.

  • Page 42: Using The Output Router

    (even if delay boxes can be checked) if the associated embedder has been turned on. This occurs because there is only one delay function available on each TANDEM-200 ‘side’. To enable output delay for ‘I’ destinations, turn off the ‘C’ embedder by setting the Note: audio group out to ‘none’.

  • Page 43: Setting Audio Delay

    The HANC error indicator will illuminate if there is no further room in the HANC space to add another audio group. TANDEM-200 should not be set to embed any further groups unless the option to blank the HANC space before embedding is selected.

  • Page 44: Preset Controls

    The 16-source stereo selectable analogue monitoring output is fed to a miniature stereo jack socket at the card edge. Select any valid stereo signal to be monitored with the monitoring drop-down list. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 45 TANDEM card. TANDEM-200 switches the AES monitor bus to monitor de-embedder outputs when de- embedders are on and input card outputs when de-embedders are off. If there are no input cards then digital silence will be output when de-embedders are off.

  • Page 46: Miscellaneous

    For example changing the error masking to 0 may be useful when attempting to listen to faults in the input data stream, or if the faults are so bad that the error masking simply mutes the channel. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 47: Using The Toolkit

    Using the Toolkit The Toolkit, accessed from the Audio Delay menu, provides comprehensive error reporting and status information. TANDEM-200 Toolkit Refer to the Trouble Shooting chapter for more information on the Toolkit. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 48: Statesman Operation In Mode

    The two panes allow dual-control display of selected TANDEM-200 controls. For example, both embed routing can be displayed together.

  • Page 49: Audio Routing

    Mode 3 can only be used with RS4 re-sampling option cards. If other option cards are used an error will be reported and re-sampling will not be available. If TANDEM-200 firmware or sub-boards have been changed it is recommended to start Tip: by loading valid default settings for the entire routing table held in TANDEM’s non-...
  • Page 50 SDI stream is displayed next to four select buttons on the right of the display for each embedder. SDI 2 Status for mode 3 Select the group required or select ‘None’ to turn embedding off. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 51 Editing router input and output names Each of the input and output names may be edited for the embed router. Changing router input name Changing router output name TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 52: Setting Audio Delay

    The HANC error indicator will illuminate if there is no further room in the HANC space to add another audio group. TANDEM-200 should not be set to embed any further groups unless the option to blank the HANC space before embedding is selected.

  • Page 53: Preset Controls

    Click on ‘Recall’ to recall setup data from the selected preset ‘GPI controls preset recall’ should not be checked whilst presets are being created or recalled by this menu to prevent inadvertent GPI operation. Enable ‘GPI controls preset recall’ when finished if required. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 54 A powerful stereo monitoring bus provides audio monitoring at the card-edge headphone socket and rear connector. TANDEM-200 audio monitoring (mode 3) A fully selectable analogue monitoring output is fed to a miniature stereo jack socket at the card edge. Select any valid stereo signal to be monitored with the monitoring drop- down list.

  • Page 55: Miscellaneous

    7 or less, it is rounded down to '1.5 seconds', or for 8 - 128 seconds to the nearest whole multiple of 8 seconds that fits the selected value, up to a maximum of 120 seconds. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 56: Using The Toolkit

    Using the Toolkit The Toolkit, accessed from the Toolkit menu, provides comprehensive error reporting and status information. TANDEM-200 Toolkit Refer to the Trouble Shooting chapter for more information on the Toolkit. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 57: Statesman Operation In Mode

    The two panes allow dual-control display of both TANDEM-200 circuit paths or ‘sides’, or two functions such as both embed and output routing can be shown for the same ‘side’.

  • Page 58: Audio Routing

    (de-embed) and commentary added on the other two channels (embed). This operation can be performed for two embedded SDI inputs. If TANDEM-200 firmware or sub-boards have been changed it is recommended to start Tip: by loading valid default settings for the entire routing table held in TANDEM’s non-...
  • Page 59 SMPTE/SONY – slowest processing delay - use when input may not be in Sony format AES input status The AES external signal and reference input status is shown using card edge reference codes. The selection of external audio is made using ‘Audio Output Routing’. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 60 SMPTE audio fifo mid – (SMPTE 2) medium processing delay • SMPTE audio fifo max – (SMPTE 3) large processing delay • SMPTE – (SMPTE 4) slowest and most robust processing Embedding modes are discussed in-depth in the Data packet management chapter. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 61 (C for side 1 and D for side 2) has been turned off. This occurs because there is only one delay function available on each TANDEM-200 side. To assign delay to an embedder ensure that a group (1 - 4) has been selected in the Audio Groups Out section for the appropriate TANDEM-200 side.

  • Page 62: Using Output Routers

    (C for side 1 and D for side 2) has been turned on. This occurs because there is only one delay function available on each TANDEM-200 side. To assign delay to an output router ensure that ‘none’ has been selected in the Audio Groups Out section for the appropriate TANDEM-200 side.
  • Page 63 The HANC error indicator will illuminate if there is no further room in the HANC space to add another audio group. TANDEM-200 should not be set to embed any further groups unless the option to blank the HANC space before embedding is selected.

  • Page 64: Setting Audio Delay

    Delay can be set from 0 to 681 milliseconds. Preset Controls The Preset Controls menu provides access to setup presets, monitoring assignments and SDI crystal PLL embed reference selection. Preset Controls menu TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 65 A powerful 16-source stereo monitoring bus provides audio monitoring at the card-edge headphone socket and rear connector. TANDEM-200 audio monitoring (mode 4) A fully selectable analogue monitoring output is fed to a miniature stereo jack socket at the card edge. Select any valid stereo signal to be monitored with the monitoring drop- down list.
  • Page 66 TANDEM card. TANDEM-200 switches the AES monitor bus to monitor de-embedder outputs when de- embedders are on and input card outputs when de-embedders are off. If there are no input cards then digital silence will be output when de-embedders are off.

  • Page 67: Miscellaneous

    For example changing the error masking to 0 may be useful when attempting to listen to faults in the input data stream, or if the faults are so bad that the error masking simply mutes the channel. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 68: Using The Toolkit

    Using the Toolkit The Toolkit, accessed from the SDI 1 Audio Router menu, provides comprehensive error reporting and status information. TANDEM-200 Toolkit Refer to the Trouble Shooting chapter for more information on the Toolkit. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 69: The Active Control Panel

    The active control panel 8 The active control panel The Crystal Vision control panel is available as an integral part of the FP2-LF front door for the FR2AV 2U frame or as a remote panel. Only one control panel can be connected to any frame, although one panel can control two frames.

  • Page 70: Navigating The Display

    When the desired module is selected press the ENTER key to access that module’s HOME menu. The TANDEM-200 home menu The TANDEM-200 card will not be listed as available until after the 16 second power Note: up initialisation procedure is complete.

  • Page 71: The Tandem-200 Menu Structure

    • CNTRL (Control and Routing) – press F2 • CNFG (Configure) – press F3 • MON (Monitoring) – press F4 The following chart shows the majority of the available TANDEM-200 menus. The actual menus available may vary slightly as TANDEM-200 software is updated. The TANDEM-200 menu tree Function keys and shaft encoder LEDs are illuminated when active.

  • Page 72: Menu Numbering Scheme

    F1, then F2. Menu 1.1.2.1 is reached by pressing F1, F2 and then F1 again. Option codes The following option codes are used in all TANDEM-200 control panel menus: Menu code Option code...

  • Page 73: Status Menus

    No Ip Option fitted if Output option or none on side 2 Grp may be – for none or 1, 2, 3 or 4 Notes Aud may be s for silence or 1, 2, 3 and 4 TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 74: Routing And Delay Menus

    Bottom line: further menus depend on options fitted See ‘Assign Audio Routing’ table for more details The presence of an audio group in the serial data stream is indicated by ‘=’ before the Note: audio group number in menu 1.2.1. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 75 Delay Inverted Phase Delay + inversion If TANDEM-200 firmware or sub-boards have been changed it is recommended to start Tip: by loading valid default settings for the entire routing table held in TANDEM’s non- volatile memory. This will prevent erroneous settings from appearing in the routing assignment menus.

  • Page 76: Routing Assignment Examples

    Press F1 (Acc) to accept the displayed route and chosen phase/delay If delay and phase inversion had been required, routing display should be: Opt1Ch1 D/ Mux1 Ch2 Acc Alter with Knob TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 77 ‘shuffled’ prior to being selected by the analogue monitor output. Route signals to the analogue monitoring output using out 1 for side 1 (with no output option card) or out 2 for side 2 (with no output option card). TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 78: Configuration Menus

    Preset recall is not available from the control panel unless GPIs have been disabled. Notes: It is strongly recommended to DISABLE GPIs when working on presets to avoid the possibility of GPI inputs causing preset memory data to re-configure TANDEM-200 at the same time as presets are being updated. TANDEM-200 User Manual R1.7...

  • Page 79: Audio Monitoring Menus

    ‘out 1’ or ‘out 2’ when routing to allow de-embedder (Demux) outputs to be ‘shuffled’ prior to being selected by the analogue monitor output. Audio monitoring is further discussed in section 10.3. Note: TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 80: Using Card Edge Controls

    9 Using card edge controls 9.1 Introduction Once the start-up initialisation procedure is complete, the TANDEM-200 card can be controlled or configured from the card edge or the Statesman PC interface. This chapter will concentrate on the card edge controls.

  • Page 81: The Card Edge Display Codes

    “1 2 3 4” individual active mono channels. Note: Code examples The following diagram illustrates the use of the card edge display codes embedding and de-embedding with external audio for TANDEM-200 in mode 2: TANDEM-200 card edge codes example TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 82: Tandem-200 Display Examples

    1 will typically operate as an embedder and the letter ‘B’ at the start of the right hand side of the display shows that side 2 will use de-embedded sources. Refer to the code table on the previous page for more information. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 83: Card Edge Status Menus

    RS4: RS4 option card For the above menus, the display is split between sides 1 and 2. The five left-most Note: characters refer to side 1 and the five right-most characters refer to side 2. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 84: Status/Config Menus

    SEL positions 6 to F, the shaft encoder will alter (but not save) the assigned values as indicated in the remainder of the table. Do NOT touch the ADJ shaft encoder when using these SEL positions for status information. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 85: Ancillary Data Status

    The Input and Output status information used mainly for trouble shooting is obtained with MENU DIL, lever 7 ON (DOWN), all other levers UP (OFF). Display Comments De-embedding status See Problem Solving for a more detailed explanation of the status reports available General status Embedding status TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 86: Selecting Default Routing

    Recalling any preset 0~7 will again reload one-to-one audio routing, but without delay. Presets may be re-called, 'edited' by changing settings and then re-saved until the required routing has been obtained. TANDEM-200 applications are unlikely to require simple one- to-one routing and Audio Group selections for de-embedders "A" & "B", and for embedders "C"...

  • Page 87: Audio Routing

    • Select appropriate groups for de-embedding and embedding • Select appropriate sources and destinations If TANDEM-200 firmware or sub-boards have been changed it is recommended to start Tip: by loading valid default settings for the entire routing table held in TANDEM’s non- volatile memory.
  • Page 88 Always set embed or de-embed functions to unassigned when NOT in use (eg Tip: A=Agroup-). The ‘-’ sign will disable auxiliary functions such as ‘Marked for Deletion’ and will help avoid invalid operations or unexpected results. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 89: Selecting Sources And Destinations

    The delay function is assigned to the embedding path if the associated embedder is ON ("C" or "D"), or to the de-embedder output path if the associated embedder is OFF (embedder "C” OFF selects delay for "A" de-embedder and embedder "D" OFF selects delay for "B" de-embedder). TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 90 An input on the digital sub-board on side 1 is embedded into the SDI stream on side 1 after delay and phase inversion Example: G1 d/ C3 Channel 1 is selected from the source, delayed (but not available) and phase inverted before final routing to channel 3 on the destination embedder. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 91: Setting Audio Delays And Silence Detect Delay

    1.5s, 8s and then in increments of 8s to 120s The values for audio delay for side 1 and side 2 are entered into the TANDEM-200 database the moment the ADJ shaft encoder is turned. This has been provided to allow delay values to be updated as soon as the shaft encoder is altered to ease the task of setting audio delay empirically.

  • Page 92: Audio Monitoring

    Audio monitoring is further discussed in section 10.3. 9.6 Enabling/disabling GPI inputs The GPI inputs can be used to recall TANDEM-200 setups that have been stored previously. This recall function can be disabled from the card edge. Ensure that all MENU DIL switch levers are UP or OFF and the SEL switch is in position F.

  • Page 93: Using Presets

    Presets cannot be saved or recalled from the card edge unless GPIs are disabled. This is Note: done to avoid the possibility of GPI inputs causing preset memory data to re-configure TANDEM-200 at the same time as presets are being updated. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 94: Data Packet Management Settings

    The menu is obtained with MENU DIL, lever 5 ON (DOWN), all other levers UP (OFF) and the SEL switch in position A for side 1 and B for side 2. Turn the shaft encoder to select between ‘SDx blank’ or ‘SDx noblnk’, where x is the TANDEM-200 side 1 or 2. Display...

  • Page 95: Viewing Ancillary Data Status

    Audio Group 1 and EDH only present. SDI -23-d- Audio Groups 2, 3 and ‘Marked for Deletion’ present. A much wider range of Demux and Mux status reporting, including HANC status, is Tip: discussed in Chapter 6, Problem solving. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 96: Error Handling

    SMPTE recommendations with a switch-point gap. This allows TANDEM-200 to convert material from SONY formats to SMPTE. It is also possible to convert SMPTE to SONY format, however, in this case the de-embed mode should be placed in the special setting of ‘ALL’...

  • Page 97: Setting The Stereo/Dual Mono Status Flag

    This message is also applied to AES outputs from the DOP2 cards when no input is present, or no AES message available. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 98: Adjusting Aes/Ebu Output Phase

    SDI audio data will have been locked to the station master video source, so that the 48kHz sample rate and AES word rate are both considered synchronous with the video signal. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 99: Assigning Gpi Outputs

    Secondary AES input loss It will be ignored if set to ‘mask’ AES reference loss It will be ignored if set to ‘mask’ Silence detect delay is not applicable to any of the above alarms Note: TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 100 ‘flag’ is selected. If an ‘input missing’ flag is effectively turned off by the ‘inmsk’ or ‘rfmsk’ setting it will also be ignored in the ‘Auto’ menu (all menu levers ON/UP, SEL=0) as an error condition. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 101 ‘flag’ is selected. If an ‘input missing’ flag is effectively turned off by the ‘inmsk’ or ‘rfmsk’ setting it will also be ignored in the ‘Auto’ menu (all menu levers ON/UP, SEL=0) as an error condition. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 102 Audio silence is deemed to refer to embedder audio signals only. Note: If silence is sustained for more than the silence detect delay the assigned GPO will be asserted low as an alarm when ‘flag’ is selected. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 103 ‘flag’ is selected. If an ‘input missing’ flag is effectively turned off by the ‘inmsk’ or ‘rfmsk’ setting it will also be ignored in the ‘Auto’ menu (all menu levers ON/UP, SEL=0) as an error condition. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 104: Selecting The Operating Mode

    'total defaults' if required (handled automatically from firmware V5.15 onwards) - see section 9.3 for detailed manual operation RS4 option cards are ONLY used for mode 3. Mode 4 requires ‘B’ issue option cards. Note: TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 105: Selecting The Pll Mode

    The re-sampling menu is obtained with MENU DIL, lever 3 ON (DOWN) and all other levers UP (OFF). Display Comments Resamp On, Off or n/a Re-sampling (mode 3 only) Select the re-sampling mode On or Off with the shaft encoder for Mode 3 only. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 106: Miscellaneous Functions

    Using card edge controls 9.15 Miscellaneous functions Firmware version number The TANDEM-200 firmware version number is obtained with MENU DIL, lever 6 ON (DOWN), all other levers UP (OFF) and the SEL switch in position C. Display Comments TANDEM 5.53 TANDEM firmware version number SEL position C provides information for Crystal Vision technical staff only.

  • Page 107: Installation

    Crystal Vision Installation 10 Installation TANDEM-200 may be fitted into three of the Crystal Vision range of rackframes: • FR2AV 2U frame for up to 12 TANDEMs or other single height Crystal Vision modules, • FR1AV 1U frame for up to 6 TANDEMs or other single height Crystal Vision modules •...
  • Page 108 • Slots 1,3,5,7,9 and 11 used The TANDEM card fits in the upper of the two slot positions for the RM36 and RM07. Note: No card is fitted in the lower slot. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 109 2 in the second from the top and card 3 fits in the third from the top. No card is fitted in the lowest slot position. For details of fitting rear connectors please refer to the appropriate frame manual. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 110: Rear Module Connections

    The monitoring connections are the same for all fitted option cards. The RMO4 rear module allows cards to be placed in all 12 frame slots. AES/EBU monitor outputs are unbalanced. SD 1 denotes ‘side 1’, SD 2 denotes ‘side 2’. Note: TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 111 RM36 uses a DIN 41612 connector in place of the D-type connector found on the RM06. Connection SDI 1 SDI 2 SDI OUT 1A SDI OUT 1B SDI OUT 2A SDI OUT 2B TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 112 No Connection c1-3, c31-32, a8-15, a22-32 Note: Use RM36 with DIN41612 female connector with solder lugs, which can be purchased from Harting (part number 09-03-264-6823). TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 113 RM05 pin-out The RM05 upper and lower hi-density 26 way ‘D’ female sockets are assigned pin-out for three TANDEM-200 cards for each fitted audio option card as follows: RM05 – upper hi-density 26 way ‘D’ female connector – Card 1...
  • Page 114 Crystal Vision Installation The second TANDEM-200 card uses pins 19 to 26 of both the upper and lower hi- density 26 way ‘D’ female connectors. RM05 – upper hi-density 26 way ‘D’ female connector – Card 2 AIP2/AOP2 DIP2/DIP2RS DOP2-110...

  • Page 115: Signal Earthing

    Component Signal low (screen) Chassis ground 1µF capacitor + 10K ohm resistor AES1 – , AES2 – PCB GND Note: Video and audio output cable screens are normally hard-wired directly to local chassis ground. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 116: Using Gpi Outputs

    GPI lines ‘a’ to ‘f’ of each TANDEM card connect to the rear remote connector as follows: Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin Remote connector is 15 way normal density D-type socket. Frame ground is pin 15. Note: TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 117: Fr1Av Gpi Connections

    Note: and frame ground is pin 2 in each case. Remote (rem) 2 and Remote (rem) 4 are 26 way high density ‘D’ type male plugs and frame ground is pin 6 in each case. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 118: Monitoring Audio Outputs

    Multiple audio signals could cause the audio to be attenuated and possibly distorted. Select Audio Bus ON for the required TANDEM output, and Audio Bus OFF for the other two TANDEM cards sharing the same rear module and monitoring outputs. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 119: Using Monitoring Outputs

    Mode 3, as RS4 cards can not receive any external signal inputs. A number of TANDEM-100, TANDEM-200 and Demon modules may be wired to a shared pair of active loudspeakers. Audio levels to be monitored via the analogue bus or using headphones should not exceed +10 VU (-8 dBFS) or overload distortion may occur.

  • Page 120: Fitting Audio Sub-Modules

    MxDmx Aip > 18 dBu CRYSTAL VISION LTD MxDmx DC-DC +18V/-18V JL 1 ~ 4 ^24 dBu SIDE 2 ¬18 dBu CRYSTAL VISION LTD MxDmx Aop TANDEM card showing analogue audio sub-modules and PSU sub-module fitted TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 121 TANDEM PCB. Fitting sub-modules with the component face downwards may result in fatal damage. To check which modules are fitted when a TANDEM is already in place in its frame, use the option status check (status menu 5) explained in section 9.2. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 122: Sub-Module Link Settings

    Set channel 1 with JL4/RV4, channel 2 with JL2/RV2, channel 3 with JL1/RV1 and channel 4 with JL3/RV3. Take care to note the adjustment and channel numbering on this sub-board. JL 1 ~ 4 CRYSTAL VISION LTD < 24 dBu Aip LP > 18 dBu TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 123 I/P (external reference – lower 2 pins). Link jumper JL1 is provided to select the external reference input, which is always fed via a ‘D’ connector, between 110 Ohm (upper 2 pins), HiZ (balanced – centre pin only) or 75 Ohm (unbalanced – lower 2 pins). TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 124 Link jumpers are provided to select between 110 Ohm (upper 2 pins) , HiZ (balanced – centre pins only) or 75 Ohm (unbalanced – lower 2 pins). TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 125 Balanced outputs require the use of rear modules with a ‘D’ type connector and Note: unbalanced outputs are for use with BNCs. HiZ is achieved by removing termination jumpers – they can be parked for safe keeping by replacing them using only one pin. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 126 625 line standard on one SDI, and 525 line standard on the other SDI signal. This makes it very useful for bridging Frame Synchronisers, Video Noise Reducers, and Standards Converters, where the TANDEM-200 main PCB will also add audio delay set to compensate for the video processing time - up to 681 milliseconds.
  • Page 127 Set channel 1 with PL2/RV2, channel 2 with PL1/RV1, channel 3 with PL4/RV4 and channel 4 with PL3/RV3. Take care to note the adjustment and channel numbering on this sub-board. HD-AIP2 TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 128 – lower 2 pins). Link jumper JL3 is provided to select the external reference input, which is always fed via a ‘D’ connector, between 110 Ohm (upper 2 pins), HiZ (balanced – centre pin only) or 75 Ohm (unbalanced – lower 2 pins). TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 129 HD-DIP2 Link jumpers are provided to select between 110 Ohm (upper 2 pins) , HiZ (balanced – centre pins only) or 75 Ohm (unbalanced – lower 2 pins). J3 must be selected for 20-bit. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 130 48 kHz inputs, and other sample rate inputs such as 44.1 kHz and 96 kHz. The signal output from the DIP2-RS to the TANDEM-200 is at 48 kHz derived from the video content of the SDI signal into which it is to be embedded.

  • Page 131: Problem Solving

    RS4 in any Mode other than 3 will produce the error message ‘RS fitted’ prior to TANDEM’s power-up configuration. No other warning will be given. An RS4 option card does not provide external connections. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 132: Statesman Error Reporting

    Mux "C" or Mux "D" errors indicate non operational status for that embedder, such as lack of HANC space [HANC blanking may cure that], or some other error settings or application error Card–edge warnings do not appear within Statesman. Note: TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 133: Sample Problems And Their Solution

    If necessary, unplug the card after the mode change and then delete its icon in Statesman. Mode 4 change is rejected Check that the option cards are issue ‘B’ Try changing mode to mode 1 and then attempt to enter mode 4 TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 134: Card Edge Trouble Shooting Menus

    There are two general formats for these status reports. If possible the status for each TANDEM-200 side function is shown in one menu display. If there is insufficient room in the display for both sides, two SEL menus are used. A couple of examples will illustrate the formats used.
  • Page 135 ‘blank’ space in HANC of at least 56 contiguous words. Example: HANC_ni_Ok, SDI1 is not present but SDI2 has a normal HANC TANDEM-200 will attempt to correct some classes of error but in severe cases the audio Note: may be muted.
  • Page 136 Example: Vd_6LC__ni, SDI 1 is 625 with significant Luminance and Chrominance content, but SDI2 is absent. The continued presence of ‘x’ values for Chrominance or Luminance may indicate an Note: error condition, such as no picture or lack of colour. TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 137 ‘audio’ in a digital to analogue conversion. It is not recommended to attempt to listen to AES streams that have the Validity bit set Warning: on headphones or loud speakers as damage to hearing or equipment may result. TANDEM-200 User Manual R1.7 13/02/2008...

  • Page 138: Control Cross Reference

    1.3.1 SDI PLL mode 9.13 1.3.3 Re-sampling On/Off 9.14 1.3.4 B format card test 9.15 Not used by TANDEM-200 9.15 6 - F Factory use only 9.15 4 only down 0 - F configure audio routing 1.2.4 5 only down...

  • Page 139: Specification

    Video 2 channel Serial Digital Component (SDI) 270Mbit to EBU 3267-E & SMPTE 259M (Audio is embedded to SMPTE or SONY format) - Two buffered outputs are available for each TANDEM-200 channel with suitable rear connectors Audio Dependent on sub-modules fitted...
  • Page 140 DIP2: Dual digital audio input sub-module 2 x 20 bit stereo pairs. AES3 110 Ohm or HiZ (balanced) D Type, or Audio input AES3-id (unbalanced) 75 Ohm BNC. Set by on-board links Synchronisation Synchronous audio to video 48kHz TANDEM-200 User Manual R1.7 13/02/2008...
  • Page 141 Each of the two AES signal outputs has a second buffered output, which may be available dependant on the RM module fitted. Available instead of 2 buffered output on some rear connector modules. Reference Link selected May be AES reference or Word clock – link select TANDEM-200 User Manual R1.7 13/02/2008...

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