Crystal Vision TANDEM-300 User Manual Download Page 4

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Crystal Vision

TANDEM-300 User Manual R1.2

14/02/2008

Firmware version number

Installation 57

7.1

Rear module connections

7.2

Signal earthing

7.3

Using GPI outputs

DTB-AV GPI connections

FR1AV GPI connections

FR2AV GPI Connections

7.4

Monitoring Audio Outputs

Using monitoring outputs

7.5

Fitting audio sub-modules

7.6

Sub-module link settings

Problem solving

8.1

Card edge status LEDs

8.2

Card edge error messages

8.3

Statesman error reporting

8.4

Sample problems and their solution:

8.5

Card edge trouble shooting menus

Control cross reference

Specification 87

Revision 2 RM36 connection information updated

09-01-08

Summary of Contents for TANDEM-300

Page 1: ...ology 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 TANDEM 300 Single embedder de...

Page 2: ...10 1 3 Applications 11 2 Data packet management 13 2 1 HANC processing 14 2 2 EDH processing 14 2 3 Vertical switching 15 Trading process speed for robustness 16 3 Installing Statesman 18 3 1 Installa...

Page 3: ...s 41 Selecting sources and destinations 43 Assigning delay phase inversion and muting 43 Setting audio delays and silence detect delay 45 6 5 Setting audio gains 46 6 6 Audio monitoring 47 6 7 Enablin...

Page 4: ...Connections 68 7 4 Monitoring Audio Outputs 69 Using monitoring outputs 70 7 5 Fitting audio sub modules 71 7 6 Sub module link settings 72 8 Problem solving 79 8 1 Card edge status LEDs 79 8 2 Card...

Page 5: ...rds to provide for analogue or digital external audio inputs or outputs Audio may be selected from any input and routed to the SDI output for embedding or any audio output option card that may be fitt...

Page 6: ...r by serial control from Statesman a dedicated software application TANDEM 300 has a single SDI output and two SDI inputs Up to two audio option cards may be fitted in either of two positions The term...

Page 7: ...e embedder may be selected to provide de embedded sources from SDI1 or SDI 2 second SDI input C embedder SDI 1 G input option SDI 2 H input option SDI 2 I output option SDI 1 J output option SDI 2 E D...

Page 8: ...ode four channels are de embedded from one group from SDI input 1 and four channels are de embedded from one group from SDI input 2 Any of these de embedded signals may be assigned to outputs by TANDE...

Page 9: ...ark audio group for deletion Blank entire HANC data space except the EDH insert Wide range of formats to embed on all HANC lines or leave a gap around the vertical switching point Variable error maski...

Page 10: ...toring bus that may be switched between OFF silence or high impedance a copy of the analogue headphone output or an automatically assigned AES output The rear connector monitoring may be used to extra...

Page 11: ...rystal Vision frames and to provide a wide range of I O options RM04 RM07 RM06 12 TANDEMs in 2U 6 in 1U Analogue 110 digital audio No 2nd SDI output 6 TANDEMs in 2U 3 in 1U 75 digital audio No 2nd SDI...

Page 12: ...ts commentary or multiple language production For example in Dual SDI mode TANDEM 300 will provide an Audio Bridge between two SDI inputs so that embedded audio from two separate SDI sources can be co...

Page 13: ...no audio option cards are fitted TANDEM 300 in Single SDI Audio Bridge External Audio mode As with the previous example the shuffled or routed audio can be further processed to correct for gain or ph...

Page 14: ...lary data VANC Vertical ancillary data VANC SW POINT There is room for four groups of AES EBU digital audio between the end of active video EAV and the start of active video SAV A group is comprised o...

Page 15: ...utput in that SDI path it will normally be flagged as marked for deletion so that downstream devices do not detect that group However if there is only one audio group present in the input SDI stream t...

Page 16: ...on all lines For these reason both SMPTE and proprietary embedded formats need to be supported The card edge display uses the following text to distinguish between the two basic embedded audio format...

Page 17: ...format The fastest embedding mode is also SONY1 since the buffer memory required is the smallest SMPTE modes require some extra audio data to be held in a longer queue to bridge over the vertical swi...

Page 18: ...lt in momentary loss of audio data but selection changes should really be applied whilst off air Measuring process delay Practical measurement of the processing delays associated with the available em...

Page 19: ...on 1 50 or above firmware An optional RS422 to RS232 converter if the PC has no RS422 ports Installing Statesman Refer to the readme and or help file on the CD before proceeding To view all applicatio...

Page 20: ...panes to close the lower plane or drag the button to vary the size of the panes The two panes allow dual control display of both TANDEM 300 circuit paths or sides or two functions such as both embed...

Page 21: ...for up one audio group from SDI 1 and up to 4 monaural or 2 stereo audio sources from the B de embedder for up one audio group from SDI 2 There are still 8 monaural or 4 stereo de embedded audio sour...

Page 22: ...entirely dependent on the option cards fitted TANDEM 300 in mode 1 Tip If TANDEM 300 firmware or sub boards have been changed it is recommended to start by loading valid default settings for the enti...

Page 23: ...m The status of all four incoming audio groups for both SDi 1 and SDI 2 are shown in the Audio Groups In area of the SDI De embedding tab The status of the SDI video itself is shown in the General are...

Page 24: ...tus menus Selecting the embedding mode The embedding format is also selected from within the SDI Status menu Select from the following modes SONY audio fifo min SONY 1 shortest processing delay SONY a...

Page 25: ...rs TANDEM 300 has 8 built in stereo to mono converters that may be applied independently to each adjacent pair of the embedding router inputs If Mono in in 1 is selected for any output row the output...

Page 26: ...e Salvo button when finished Valid selections will turn bright red and new source destination assignments will be loaded into the output routing table Applying delay phase inversion and mute Check the...

Page 27: ...group TANDEM 300 should not be set to embed any further groups unless the option to blank the HANC space before embedding is selected Caution should be exercised when adding further embedded audio wh...

Page 28: ...to exactly unity gain click on the CAL button beneath the appropriate slider or right click the slider and choose calibrate To gang gain slider controls together to move them as one right click on the...

Page 29: ...set with the Preset Number drop down menu 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...

Page 30: ...Total default operation completes the audio paths are all routed one to one directly non delayed It is recommended that Total Defaults are recalled after a Mode change or if option cards have been ch...

Page 31: ...e rear connector can also receive the same user selectable analogue monitoring signal as the headphone socket or an automatically assigned AES monitor output The AES output can be routed via external...

Page 32: ...he left hand control slider of the Miscellaneous menu sets the silence detect delay from 0 to 128 seconds for the amount of time a signal is allowed to remain below 50dB wrt Full Scale before a silenc...

Page 33: ...nal carried by the SDI signal The AES output clock is synthesised at a fixed rate derived internally from the TRS sync signals The AES reference input signal must be the same as that of the incoming v...

Page 34: ...two line 20 character screen will display Crystal Vision followed by the firmware version number for the control panel If the control panel firmware has been updated for Statesman control Statesman Mo...

Page 35: ...uch as audio delay or routing assignments Changes made using the shaft encoder are generally not implemented immediately The display will normally flash alternately between bright and dim to indicate...

Page 36: ...2 Not available with TANDEM 300 Gn Option card audio source on side 1 Option card must be AIP2 DIP2 or RS4 Hn Option card audio source on side 2 Option card must be AIP2 DIP2 or RS4 In Option card aud...

Page 37: ...splay shows the option cards fitted to each side The display is split so that side 1 options are shown on the left of the display and side 2 options are shown on the right Side 1 has an AES EBU digita...

Page 38: ...ame as SEL 5 If DIP fitted Cas12 Side 1 AES 1 2 channels present Cas 2 Side 1 AES 2 channel present only Das34 Side 2 AES 3 4 channels present Cas2 Das 4 AES 2 present on side 1 and AES 4 present on s...

Page 39: ...C 1 2 Set using ADJ shaft encoder in 1ms steps from 1 681ms ADJ delay D Audio delay C 3 4 Set using ADJ shaft encoder in 1ms steps from 1 681ms ADJ delay E Silence threshold Set using ADJ shaft encod...

Page 40: ...F for side 2 SEL Display Comments E SD1 1234dE See section 8 8 for a detailed explanation F SD2 1234dE Input and output trouble shooting status The Input and Output status information used mainly for...

Page 41: ...boards or upgrading firmware The menu is obtained with MENU lever 6 ON DOWN all other levers UP OFF and the SEL switch in position B The display will read Defaults Turn the shaft encoder to select be...

Page 42: ...roups should be selected as part of the audio routing setup This is accomplished using the status display Menu switch with all levers OFF UP The SEL switch selects each side s de embedding or embeddin...

Page 43: ...F embedding is implied Providing there is NO sign before the group number then there is no conflicting audio group present and audio will be embedded into that SDI stream Select an existing group to...

Page 44: ...o M4 8 B A1 A4 Data de embedded from SDI stream side 1 I1 I4 Output option card fitted to side 1 C F B1 B4 Data de embedded from B de embedder SDI 1 2 J1 J4 Output option card fitted to side 2 Note Th...

Page 45: ...lay Phase and D Destination represent the contents of the 10 digit display for valid destinations and sources ADJ rotation may be in either direction Clockwise rotation follows the sequence illustrate...

Page 46: ...annels C 3 4 using ADJ shaft encoder in 1ms steps from 1 681ms ADJ delay E Silence detect delay Sil DL xxs Set silence detect or threshold delay for both sides using ADJ shaft encoder for the amount o...

Page 47: ...switch The available audio gain settings are summarised in the following table SEL No Audio gain Examples and comments ADJ funct 0 CH 1 AG1 1 100 Side 1 Audio Channel 1 set to unity gain ADJ 0 to 799...

Page 48: ...s When monitoring de embedders the audio channels can only be chosen from groups selected in sub menu 6 and 7 in the Status Config menu The source for monitoring is selected prior to the audio routing...

Page 49: ...lect appropriate preset with the rotary SEL switch To store a preset put the MENU DIL lever 1 down and then up again To recall a preset put the MENU DIL lever 8 down and then up again The status displ...

Page 50: ...tiguous packing Blanking HANC before embedding This removes all incoming ancillary data except EDH after the inputs have been read and before any new data is embedded The menu is obtained with MENU DI...

Page 51: ...o group present Deletion status EDH data present The ancillary data status display is obtained with MENU DIL lever 6 ON DOWN all other levers UP OFF and the SEL switch in position E for side 1 and F f...

Page 52: ...e disturbance can ease the problem or in the case of upstream switching lines around the standard switching point can simply be avoided and not used for digital audio SMPTE standards 272M and 291M and...

Page 53: ...NY2 SONY3 ALL ADJ XXXX 3 SD2B_XXXX As SEL 2 for side 2 ADJ XXXX 4 SD1C_XXXX or SD1E_XXXX The following embedding modes are available SONY1 SONY2 SONY3 SONY4 SMPTE1 SMPTE2 SMPTE3 SMPTE4 ADJ XXXX 5 SD2D...

Page 54: ...hase may be varied over a range of just over 360 degrees The display shows a reading of 0 to 127 for indication purposes only The AES output frequency is set by the frequency of the by the frequency o...

Page 55: ...via GPO 5 or GPO 6 irrespective of any user alarm selection Alarm signal trigger Immediate GPO alarm SDI input loss Always Embedded audio insert input loss When de embedder is set to ON Primary AES i...

Page 56: ...to be flagged or ignored mask by the GPO 6 output ADJ flag or mask 7 2 4sl mask or 2 4sl flag Selects silence of audio ch 4 de embedder B to be flagged or ignored mask by the GPO 6 output ADJ flag or...

Page 57: ...only 6 14Operating mode TANDEM 300 does not support modes other than mode 1 For this reason the MODE change function will be disabled It is documented here for completeness only The menu is obtained w...

Page 58: ...Analogue 110 digital audio 2nd SDI output 9 TANDEMs in 2U 75 digital audio No 2nd audio or SDI output 6 TANDEMs in 2U 3 in 1U Analogue 110 digital audio 2nd SDI output The single width rear connector...

Page 59: ...es available at Audio I O connector and frame remote connectors Slots 1 3 5 7 9 and 11 used Audio I O RM07 Tandem SDI OUT SDI IN RM07 6 TANDEMs in 2U 3 in 1U Only signal I O available 2nd SDI outputs...

Page 60: ...em RM08 9 TANDEMs in FR2AV frame 3 TANDEMs per rear connector Only signal I O available 75 unbalanced digital audio Audio monitoring bus AES bus and GPI lines available at frame remote connectors Card...

Page 61: ...R AES ref SD 1 AES2a OR AES ref 7 SD 1 2R SD 1 AES2scrn SD 1 AES2b SD 1 AES2b 8 SD 1 2R NC SD 1 AES2b GND 18 GND GND GND GND 9 SD 2 1L SD 2 AES1 SD 2 AES1a SD 2 AES1a 14 SD 2 1L SD 2 AES1 SD 2 AES1a G...

Page 62: ...f SD 1 AES2a OR AES ref 21 SD 1 2R SD 1 AES2scrn SD 1 AES2b SD 1 AES2b 7 SD 1 2R NC SD 1 AES2b GND 8 GND GND GND GND 17 SD 2 1L SD 2 AES1 SD 2 AES1a SD 2 AES1a 9 SD 2 1L SD 2 AES1 SD 2 AES1a GND 10 SD...

Page 63: ...ES1b GND 11 SD 2 2L SD 2 AES2 SD 2 AES2a OR AES ref SD 2 AES2a OR AES ref 16 SD 2 2L SD 2 AES2 SD 2 AES2a OR AES ref SD 2 AES2a OR AES ref 17 SD 2 2R SD 2 AES2scrn SD 2 AES2b SD 2 AES2b 12 SD 2 2R NC...

Page 64: ...ES1 SD 2 AES1a GND 20 SD 2 1R SD 2 AES1scrn SD 2 AES1b SD 2 AES1b 21 SD 2 1R NC SD 2 AES1b GND 22 SD 2 2L SD 2 AES2 SD 2 AES2a OR AES ref SD 2 AES2a OR AES ref 23 SD 2 2L SD 2 AES2 SD 2 AES2a OR AES r...

Page 65: ...3 BNC 4 DIP2 AES1 I P AES2 I P DOP2 AES1 O P AES2 O P Ref I P Note When DOP2 is used BNC 2 can be used for the reference input for side 1 and BNC 4 can be used for the reference input for side 2 RM36...

Page 66: ...c17 SD 2 1L SD 2 AES1 SD 2 AES1a GND c19 SD 2 1R SD 2 AES1scrn SD 2 AES1b SD 2 AES1b c20 SD 2 1R NC SD 2 AES1b GND c22 SD 2 2L SD 2 AES2 SD 2 AES2a OR AES ref SD 2 AES2a OR AES ref c23 SD 2 2L SD 2 A...

Page 67: ...reduce the risk of high earth currents when AC power is induced into the cable or when an offset voltage exists between the product chassis and the local signal source ground or chassis The internal R...

Page 68: ...f box not ticked or set to mask respectively loss of AES reference input to DOP2 75 or DOP2 110 if that error condition in enabled by Statesman or set to flag by card edge control ignored if box not t...

Page 69: ...GPI Connections GPI lines 1 to 6 of each TANDEM card are brought to one of the four remote connectors at the rear of the FR2AV frame as follows Slot no GPI 1 pin rem GPI 2 pin rem GPI 3 pin rem GPI 4...

Page 70: ...on2 mon3 mon4 1 7 16 17 25 3 4 14 13 23 5 10 11 19 20 GND 2 Analogue and AES EBU monitoring DTB AV Frame Active slot used with RM06 RM07 REMOTE 1 pins Analogue L L R R AES mon1 mon2 mon3 mon4 1 9 10 1...

Page 71: ...1 AES_mon_2 AES_mon_3 and AES_mon_4 The AES bus is NOT selectable in the same way as the analogue monitoring output The 4 AES monitor outputs are automatically routed as follows Side 1 De embedder A O...

Page 72: ...C DC J1 JL 1 4 24 dBu 18 dBu J2 J3 CRYSTAL VISION LTD MxDmx Aop JL2 JL1 RV1 RV2 RV3 RV4 JL4 JL3 TANDEM card showing analogue audio sub modules and PSU sub module fitted To fit a sub module proceed as...

Page 73: ...stments on the card are set at the factory and should not require re adjustment Set channel 1 with JL1 RV1 channel 2 with JL2 RV2 channel 3 with JL3 RV3 and channel 4 with JL4 RV4 Selectable jumper li...

Page 74: ...L3 RV3 Take care to note the adjustment and channel numbering on this sub board DOP2 110 This digital audio output module provides 2 110 Ohm AES stereo pairs or four mono outputs that may be used as d...

Page 75: ...ween AES2 2nd buffered output upper 2 pins or REF I P external reference lower 2 pins Link jumper JL3 is provided to select the external reference input which is always fed via a D connector between 1...

Page 76: ...aveform error words indicated by V bit set high are ignored Occasional errors marked by V bit high such as would be the case with a noisy or too long AES input path are masked out by the processing If...

Page 77: ...h PL4 P4 HD AOP2 Selectable jumper links are provided to change input and reference terminations and pre set levels depending on sub module features HD AIP2 The analogue audio input module provides tw...

Page 78: ...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 HD DOP2 75 This digital audio output module provides two 75 Ohm...

Page 79: ...nal output from the DIP2 RS to the TANDEM 300 is at 48 kHz derived from the video content of the SDI signal into which it is to be embedded Because of the processing of the audio waveform error words...

Page 80: ...ng table summarises the card edge LED functions and colours Power rail Led Colour Description 3V Green 3 volt power supply rail OK 5V Green 5 volt power supply rail OK 8 2 Card edge error messages If...

Page 81: ...mbedded audio or HANC space is filled with unspecified signals such as blank space that is not true black e g analogue blanking prior to A to D conversion without true digital blanking applied format...

Page 82: ...synchronous with both the incoming SDI video and the system audio clock is connected Check that the embedded audio of SDI 1 AND SDI 2 is synchronous with the same source as the video content of both S...

Page 83: ...where xx represents the DSR status of SDI1 and yy represents the DSR status of SDI2 For example when DxSr_Ok_Ok is displayed the first Ok refers to SDI1 DSR and the second Ok refers to the DSR for SD...

Page 84: ...SDI2 correct but SDI1 has corrupted data inside the embedded audio block This may result in an incorrect parity value at the end of each sample 5 DxCF_xx_yy Codes Ok Er na ni SDI1 SDI2 Demux Channel...

Page 85: ...SDI1 SDI2 Demux Channel Chrominance and Luminance Status n video standard 6 for a 625 input and 5 for a 525 input L Active Luminance is shown by L or x for dark or near dark values signal peaks below...

Page 86: ...tive high or Validity Error o indicates Validity OK na indicates no DIP2 PCB Example Mx_VV_na AES inputs on DIP2 side 1 has Validity Bit set high but side 2 has no DIP2 fitted Note Mux status SEL 9 A...

Page 87: ...erence Piano switch Hex switch Description Card edge section all up 0 5 display status 6 2 6 9 select audio group 6 2 6 4 A B select audio monitor 6 2 6 6 C D adjust audio delay 6 2 6 4 E adjust silen...

Page 88: ...Also available on rear connector AES EBU monitoring also available on rear connector Crystal oscillator For continuous AES EBU output at all times Embed de embed timing Inter channel variation less t...

Page 89: ...wo sub modules fitted AIP2 Dual analogue audio input sub module Audio input 2 analogue stereo pairs or 4 mono channels 20 bit quantising A to Ds High input impedance 20K Ohm balanced Level range 0dBFS...

Page 90: ...108kHz sample rates Total harmonic distortion 0 00017 THD N rms Signal to noise 117 dBFS 22Hz to 22kHz typ DOP2 110 and DOP2 75 Dual digital audio output sub modules Audio output 2 x 20 bit AES EBU s...

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