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GUIDE TO INSTALLATION AND OPERATION 

IRD-3802  |  

5

  

1  IRD-3802 HD/SD MPEG Decoder with ASI and GigE IP inputs 

 

1.1 Introduction 

 

The IRD-3802 combines MPEG-2 and H.264 decoding of ASI and IP transport streams to either HD or SD, 
with processing of key video and audio parameters and signal probing functions for feed aggregation, 
distribution, and monitoring applications by broadcasters and TV services providers. 

 

DVB-ASI or IP transport streams fed to the IRD-3802 can be decoded to provide either HD or SD SDI video 
with embedded multi-channel audio, in all leading formats, as well as composite video and stereo analog 
audio for monitoring. With its Gigabit Ethernet port, the IRD-3802 can also act as a gateway, by performing 
IP encapsulation of the input transport stream in either RTP or UDP mode. 

 

The IRD also provides convenient optional high video signal processing with frame synchronization and 
selectable delay as well as Up/Down/Cross conversion and aspect ratio conversion. The IRD can decode an 
extensive range of metadata, such as CEA-608 compliant Closed Captioning, AFD, V-chip and DVITC time 
code, that can be embedded in the decoded SDI signal. Transport Stream metadata such as PSIP can also 
be analyzed. 

 

The audio processing capabilities of the IRD-3802 are also extensive with dual audio decoding and 
selectable stereo downmix modes of decoded MPEG-1 and Dolby Digital (AC-3) 2.0 audio. Optionally, the 
IRD-3802 also performs decoding of Dolby Digital (AC-3) 5.1 audio, with discrete 6-channel output. 

 

In addition, the IRD-3802 performs a wide range of signal quality probing, with user-defined alarm settings on 
an extensive range of transport stream parameters, including TR 101290 alarms, transport stream structure 
analysis and individual program statistics. 

 
 

1.2 Features 

 

Input/Output Versatility 

•

 

Dual ASI transport stream inputs 

•

 

Single ASI transport stream output for signal monitoring or retransmission 

•

 

IP transport stream input/output: an ASI signal can be re-transmitted as IP and an IP stream can be 
forwarded as ASI 

•

 

IRD acts as IP video gateway and even allows de-multiplexing of the ASI stream to send selected 
programs on the IP stream with forward error correction (FEC) for improved quality 

•

 

Dual HD/SD SDI outputs 

•

 

Composite video and stereo analog audio monitoring outputs 

 
Easy Input and Program Selection 

•

 

Manual or automatic input selection mode 

•

 

Automatic mode allows switching to backup input upon loss of signal on active input, with adjustable 
duration 

•

 

Program selection using local control or iControl 

•

 

Extensive transport stream structure is displayed allowing easy identification of individual programs in 
an MPTS 

•

 

MPTS automatic program selection mode and recovery 

 
 
 

Summary of Contents for DENSITE IRD-3802

Page 1: ...iver and Decoder Guide to Installation and Operation M837 9600 100 18 Sep 2008 Miranda Technologies Inc 3499 Douglas B Floreani St Laurent Québec Canada H4S 1Y6 Tel 514 333 1772 Fax 514 333 9828 www miranda com 2008 Miranda Technologies Inc ...

Page 2: ...qualified service personnel Servicing should be done in a static free environment Electromagnetic Compatibility This equipment has been tested for verification of compliance with FCC Part 15 Subpart B class A requirements for Digital Devices This equipment complies with the requirements of EN 55022 Class A Electromagnetic Emissions EN 61000 3 2 3 3 Disturbance in Supply Systems EN 61000 4 2 3 4 5 ...

Page 3: ... iControl 13 3 4 1 The iControl graphic interface window 13 3 4 2 The Input panel 16 3 4 3 The Decoder panel 16 3 4 4 The Video Output panel 17 3 4 5 The Audio Processing panel 20 3 4 6 The Reference panel 21 3 4 7 The Probing panel 22 3 4 8 The Test panel 25 3 4 9 The Network Settings panel 25 3 4 10 The Factory Presets panel 27 3 4 11 The Options panel 29 3 4 12 The Alarm Config panel 32 3 4 13 ...

Page 4: ...GUIDE TO INSTALLATION AND OPERATION IRD 3802 ...

Page 5: ...ies of the IRD 3802 are also extensive with dual audio decoding and selectable stereo downmix modes of decoded MPEG 1 and Dolby Digital AC 3 2 0 audio Optionally the IRD 3802 also performs decoding of Dolby Digital AC 3 5 1 audio with discrete 6 channel output In addition the IRD 3802 performs a wide range of signal quality probing with user defined alarm settings on an extensive range of transpor...

Page 6: ...gnal with selectable genlock modes Decoded Video Format Identification Convenient identification of key video parameters o Aspect ratio identification 16 9 or 4 3 o Video resolution Video Up Down Cross Conversion Extensive selection of video format conversions see chart Audio Processing and Format Identification Provides down mix of 5 1 channel to Lt Rt or Lo Ro modes Extensive AC 3 Status reporti...

Page 7: ...dentified in NIT o Logging of alarms using iControl Detailed TS structure reporting using graphical and hierarchical views 1 3 Applications Decoding of MPEG 2 and H 264 multi program or single program ASI transport streams Decoding of MPEG 2 and H 264 multi program or single program IP video IP encapsulation of ASI transport streams Program aggregation in TV service provider headends 1 4 Block Dia...

Page 8: ...IRD 3802 1 5 Front Card edge Interface The front card edge of the IRD 3802 incorporates two elements Status LED see section 3 2 Select Button see section 3 3 Figure 1 2 Front card edge layout Select Button IRD 3802 Status LED Status Select ...

Page 9: ...nstalling or removing the card See the Densité3 Frame manual for detailed instructions for installing cards and their associated rear panels 2 3 Rear Panels The IRD 3802 has multiple inputs and outputs and making space for all the necessary connectors at the rear of the frame requires a double width rear panel With the double width rear panel installed the IRD 3802 must be installed in the right m...

Page 10: ... 50083 9 The IRD 3802 can automatically switch to the detected input ASI OUT Outputs the selected ASI or de encapsulated IP input HD SD OUT 1 2 SDI output HD or SD The IRD 3802 provides two identical HD SD SDI video outputs on BNC connectors The SDI video signals conform to the SMPTE 292M and SMPTE 259M C standards The output format follows the input format COMP OUT down converted and encoded comp...

Page 11: ... show the most severe detected error status that it is configured to display and in the chart error severity increases from left to right with green representing no error disabled and flashing red the most severe error Led Color Alarm Name Error Report Green Yellow Red Flashing Red Description Card booting X After power up the led becomes yellow until Linux is properly booted takes about 40s Hardw...

Page 12: ... The STATUS LED on the selected card flashes yellow The local control panel displays a menu that can be navigated using the four pushbuttons located beneath the display The functionality of the pushbuttons is as follows Used for menu navigation and value modification SELECT Gives access to the next menu level When a parameter value is shown pushing this button once enables modification of the valu...

Page 13: ...gure 3 2 The window identification line gives the card type IRD 3802 and the slot number where the card installed in its Densité frame There are three main sections in the window itself identified in figure 3 2 1 The Status Icon area shows a series of eight icons that report the status of some card parameters The table shows the various forms that may appear Icon 1 Manual Card Configuration green ...

Page 14: ...ated beneath the icon red No signal No rear Reference mismatch Format mismatch with output format Key Fill mode Video TRS error gray No transport stream Icon 4 Video Sync Status green OK Locked on incoming PCR yellow Yellow alarm condition detected on 1 or more channels gray No signal Icon 5 Primary Audio status green Reference OK Mouse over to see the source of the reference and its format e g Ex...

Page 15: ...green Locked to external reference Mouse over the icon to see a description of the reference in use red Reference missing gray No frame sync option activated Move the mouse over an icon and a status message appears below the icon providing additional information If there is an error the error status message appears in the message area without mouse over If there are multiple errors the error messa...

Page 16: ...put section Use the radio buttons to select the input Available options are ASI1 ASI input 1 ASI2 ASI input 2 Ethernet ethernet port see note AUTO select the first valid input prioritized as listed here i e ASI1 ASI2 ETH Note The Ethernet port only appears in the panel as an input option if the ETH Port Direction is selected as Input using the pulldown in the Network Settings panel see Section 3 4...

Page 17: ...wns to select the audio PIDs from the available channels NOTE that you can t select the same PID for both audios Service Select Use the Service Select pulldown to choose one of the available services 3 4 4 The Video Output panel Input and Output Screens The two screens at the top of the panel indicate the aspect ratio of the input and output video The pulldowns for Aspect and Format on the output ...

Page 18: ...n to open the Select AFD panel showing the available AFD codes that could be used as the default Click on one to select it then click Apply or OK at the bottom of the panel Flags This section gives information about AFD flag management Presence the status icon is green if AFD flags are detected in the input data stream Detected the data box shows the AFD code for the detected flags Inserted the da...

Page 19: ...nes following the selected insertion line unless it would be outside the allowable range for SD output only OFF ON Time Code Offset Useful to compensate for delays in downstream equipment Simply adds or removes frames from the original time code Range 10 to 10 V Chip Mode Use the pulldown to select how V Chip data will be processed in the IRD 3802 Replace Will use the PSIP information to replace a...

Page 20: ...ON 3 4 5 The Audio Processing panel This panel provides controls for selecting the audio downmix mode of this IRD 3802 and for monitoring some audio parameters Config tab Analog Audio Output Note the Analog Output option must be activated in order to use these controls Synchronization Use the pulldown to select whether the analog audio output will be synchronized with CBVS which is not frame synce...

Page 21: ...tus icon and the Service name Source Channel Sample Rate and Bit Rate are shown in text boxes 3 4 6 The Reference panel NOTE The OPT FS option must be purchased in order to enable this panel Otherwise the reference is always taken from the input signal The IRD 3802 output signals should always be genlocked to some reference source The genlock source is selected in the Reference control panel Use t...

Page 22: ...zontal timing adjustment Horizontal μsec With this adjustment a value ranging from zero to the equivalent of 1 horizontal line in the current operating format e g ranging from 0 to 63 46 µs for 525 line operation 0 to 64 00 µs for 625 line operation etc compared to the reference or the frame boundary may be set Additional Frame Delay Use the pulldown to select an extra frame delay to be added to t...

Page 23: ...e tests against the TR 101 290 standard Click in the checkbox at the bottom to enable or disable display updating about once per second Unref_PID tab This tab provides a list of all unreferenced PIDs found in the incoming service Figure 3 14 TR 101 290 tab Figure 3 15 Probing panel Unref_PID tab ...

Page 24: ... table below the chart shows all of the elements identifying each by name PID and bandwidth Click on a name in the table and the corresponding slice of the pie will slide out from the chart Mouse over a slice and the associated Program Name will be shown on the chart as shown in Figure 3 16 PSIP tab This tab is an information only tab that documents various aspects of the incoming service Valid on...

Page 25: ...t 3 4 9 The Network Settings panel ETH Port Status The status of the ethernet link is shown by the icons Link is down red Link is OK green NOTE This is the equivalent to the green LED on the rear panel ETH connector ETH Port Direction Use the pulldown to select the Ethernet port functionality Options are OFF not functional INPUT accepts incoming transport stream OUTPUT sends transport stream Figur...

Page 26: ...which the signal must be sent This is only valid when the Ethernet Port Direction is set to Output Port Number This is the port on which the signal is present This is valid for either transmitting or receiving If this port does not correspond to the source no signal will be received Encapsulation Select the IP protocol to use to stream packets RTP UTP Streaming Mode Select Unicast or Multicast fro...

Page 27: ...ldown list The name of the currently selected User Preset is shown on the on the pulldown icon e g User1 User2 User5 Click Load to load the contents of the selected User Preset into the IRD 3802 All parameter settings and values will be replaced by the contents of the selected User Preset Click Save to store the current parameter settings and values from the IRD 3802 into the selected User Preset ...

Page 28: ...le is saved correctly the Transfer Status box on the right of the Copy profile from line will indicate Succeeded against a green background If the file was not saved for some reason the Transfer Status box to the right of the Copy profile from line will indicate Failed against a red background Restore profile from disk Click this button to open an Open dialog box within which you can locate and se...

Page 29: ...er IRD 3802 cards While the profile copy operation is in progress the Transfer Status box on the right of the Copy profile to line will indicate Working against a yellow background When the profile copy operation is complete the Transfer Status box on the right of the Copy profile to line will indicate Succeeded against a green background 3 4 11 The Options panel This panel provides an entry point...

Page 30: ...Technologies Inc Type the licence key in the box Click on ENABLE OPTION to enable the option s features Analog Output option This option activates the analog composite video and analog audio outputs of the IRD 3802 To activate this option you must Obtain a licence key from Miranda Technologies Inc Type the licence key in the box Click on ENABLE OPTION to enable the option s features Figure 3 25 Op...

Page 31: ...ence key in the box Click on ENABLE OPTION to enable the option s features Dolby 5 1 option This option enables the Dolby 5 1 output on 6 discrete channels Note Dolby 5 1 decoding is always enabled To activate this option you must Obtain a licence key from Miranda Technologies Inc Type the licence key in the box Click on ENABLE OPTION to enable the option s features Figure 3 27 Options panel TS Pr...

Page 32: ...h these alarms The pulldown lists may contain some or all of the following options The alarm makes no contribution black icon The alarm is of minor importance yellow icon The alarm is of major importance orange icon The alarm is of critical importance red icon The alarm exists but has no effect used for text and composite alarms Shortcut if you click in one of the columns beside a major heading in...

Page 33: ...tom of the window are several other controls Copy to other cards Click this button to open a panel that allows the alarm configuration set for this card to be copied into another IRD 3802 card Select one or more destination cards from the list in the window by clicking in the checkboxes or all of them by clicking in the All checkbox Note that when you do a Copy Profile for this card see Sect 3 4 1...

Page 34: ...card Label type the label that appear for this IRD 3802 when it appears in iControl applications Short Label type the short form label that iControl uses in some cases 8 characters Source ID type a descriptive name for this IRD 3802 Comments type any desired text The remaining data boxes show manufacturing information about this card Details Reports the Firmware version service version and panel v...

Page 35: ...Remove select one of the services listed in the window by clicking on it and click Remove to open a query box allowing you to delete it from the window Message Console tab The Message Console provides a log of various status messages generated on board the card Newest messages appear at the bottom of the list Use the scroll bar to view the entire list Click the Clear Messages button to empty the m...

Page 36: ... For iControl please refer to section 3 4 3 The name of the service will be displayed when available the name is as per ATSC VCT and is unavailable for non ATSC streams When the service name is not available the card displays the service number as per PAT Audio only services can be decoded the output display will be blacked 4 2 2 video will not generate any errors but the display will be fuzzy The...

Page 37: ...information about the encoder clock system in order to genlock the decoder to the incoming signal and avoid buffer underrun or overflows Moreover the audio and video streams contain time stamps PTS in order to re synchronize the stream at the output Should synchronization be a problem PCR jitter bad PTS the MPEG clock recover system can be manually forced to OFF In such case the system decoder clo...

Page 38: ... the output to select the best method If no AFD is present the default AFD flag is used STRETCH Use this mode to stretch the picture vertically This mode is useful when the input picture has the wrong aspect ratio CENTER CUT When converting from 16 9 to 4 3 use this to crop both sides of the picture and fill the entire screen while keeping the aspect ratio LETTER BOX Adds black curtains to the 16 ...

Page 39: ... that will be performed by the IRD 3802 when the Active Format Descriptor AFD processing is activated by selecting AUTO using the Aspect Ratio Scaling Mode pulldown on the AFD tab of the Video Output panel In the images shown in the chart BLACK Indicates that this portion of the transmitted image will be black GREY indicates Protected Area consisting of picture content which may be cropped for opt...

Page 40: ...9 frame 16 9_8 14 9 Letterbox image in a 4 3 frame 4 3_11 14 9 Letterbox image in a 4 3 frame 4 3_11 14 9 Pillar box image in a 16 9 frame 16 9_11 4 3 Image shoot and protect 14 9 in a 4 3 frame 4 3_13 4 3 Image shoot and protect 14 9 in a 4 3 frame 4 3_13 14 9 Pillar box image in a 16 9 frame 16 9_11 16 9 Letterbox image shoot and protect 14 9 in a 4 3 frame 4 3_14 16 9 Letterbox image shoot and ...

Page 41: ... Letterbox image in 4 3 frame 4 3_4 16 9 Protected Full frame image in a 16 9 frame 16 9_4 16 9 Full frame image in a 16 9 frame 16 9_8 16 9 Letterbox image in 4 3 frame 4 3_10 as shown here or 4 3_8 as in box below 16 9 Full frame image in a 16 9 frame 16 9_8 4 3 Pillar box image in 16 9 frame 16 9_9 4 3 Full frame image in a 4 3 frame 4 3_8 4 3 Pillar box image in 16 9 frame 16 9_9 16 9 Protecte...

Page 42: ...specifications with some exceptions Note that iControl is necessary in order to visualize the errors No probing report is available on the card s menu There are no special settings other than activating the display of errors on iControl The probing is performed on the selected input only and PCR measurements are restricted to the selected program only Whenever the incoming TS bitrate fluctuates PC...

Page 43: ...OLS IP UDP and RTP VIDEO DECODER COMPATIBILITY STANDARD H264 AVC MPEG 2 Compatible MP HL 4 2 0 resolution up to 1080i 59 94 Hz ATSC A 53 BIT RATE Up to 25 Mbps AUDIO DECODER STANDARD MPEG 1 Layer II Dolby Digital AC 3 Audio 2 0 Optional Dolby Digital AC 3 Audio 5 1 AAC audio 2 CH only SERVICE CHANNELS As per ATSC A 54A VIDEO OUTPUTS HD SD SDI OUTPUTS Two outputs with BNC connectors SIGNAL SMPTE 25...

Page 44: ...ATA EXTRACTION NTSC CC1 and CC2 as per EIA 608B DTV CC EIA 608B compliant bytes of EIA 708B CC EMBEDDING CC Embedding as per SMPTE 334M TIME CODE SMPTE 12M PSIP ATSC PSIP Standard A 65 REFERENCE INPUT REFERENCE INPUT One input with BNC connector SIGNAL SMPTE 170M SMPTE 318M ITU 624 4 BUT 470 6 Black burst SMPTE 274M SMPTE 296M Tri level sync black RETURN LOSS 35 dB up to 5 75 MHz ELECTRICAL POWER ...

Page 45: ... PID xxxxH SERVICE FORMAT Encrypted video format aspect ratio SERVICE SYNCHRO Locked on PCR OUT OF SYNC AUDIO NOT SYNC No lock on PCR CLOSED CAPTION DTVCC DTVCC NTSC NOT PRESENT MAIN AUDIO NOT PRESENT UNSUPP type xxCH SECONDARY AUDIO NOT PRESENT UNSUPP type xxCH CARD IP ADDR xxx xxx xxx xxx PSIP STATUS CHANNEL NAME CHANNEL NUMBER MODULATION MODE SERVICE TYPE PSIP TSID ATSC PSIP STATUS ATSC DATE AT...

Page 46: ...cimal DOWNMIX MODE OFF LTRT LORO SECONDARY AUDIO SOURCE PID List of avail PID in hexadecimal decimal DOWNMIX MODE LTRT LORO EMBEDDING OFF ON ANALOG AUDIO SRC LEFT CHANNEL LEFT RIGHT CENTER SUB Sr Sl Aux Left Aux Right RIGHT CHANNEL LEFT RIGHT CENTER SUB Sr Sl Aux Left Aux Right OUTPUT MENU HD SD SDI OUTPUT CLOSED CAP EMBED OFF ON TIMECODE INSERTION OFF ON DVITC LINE 10 11 14 20 6 7 8 14 21 DVITC D...

Page 47: ...H RED ALARM REPORT NONE GPI REF MISMATCH ALARM LEVEL OFF YELLOW RED FLASH RED ALARM REPORT NONE GPI PROGRAM SYNCHRO ALARM LEVEL OFF YELLOW RED FLASH RED ALARM REPORT NONE GPI TS LIMITS ALARM LEVEL OFF YELLOW RED FLASH RED ALARM REPORT NONE GPI VERSION IRD 38x1 xxxB xxx First number is firmware second is PCB B BETA SERIAL NUMBER Gives the serial number of the card OPTIONS FRAME SYNC KEY xxxxx xxxxx...

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