• Description
  • Specifications
  • Available Options and Ordering Info



  • Two independent ASI/SDI ports: Input + Output or Dual Output (software-selectable)
  • Each port can carry either DVB-ASI up to 214Mbps or full-frame 10-bit SDI
  • Adaptive cable equalisation and inverted ASI
  • Low-Profile PCI Express x1 card; Shipped with both low- and standard-profile brackets
  • Watchdog-controlled input-to-output relais for redundant configurations
  • Flexible receive modes with time-stamping, packet sequence counting and false-sync pass through for full TR 101 290 support
  • SDI lossless Huffman encoding / decoding
  • Bit-rate measurement and statistics

Block Diagram

DTA-2145 - Multi-Purpose Dual ASI/SDI Adapter for PCI Express


DTA-2145 Applications

  • Universal ASI/SDI input/output adapter for PC-based applications that record, play and/or process MPEG-2 transport streams
  • Simple fail-over configurations for High-Availability stream generation
  • With StreamXpert and StreamXpress software: versatile, low-cost stream station


DTA-2145 Key Attributes

PCI Express Label                    PCIe 1x 10 W
Connector                                   75-Ω BNC (2x*)
Return Loss                               > 17 dB
Hardware Buffering                 16 MB / Channel
Physical Layer                           EN 50083-9
Bitrate Range                            0 .. 214 Mbit/s
Packet Size                               188 or 204**
Physical Layer                          SMPTE 259M
Bitrate                                         270 Mbit/s
#Bits                                           8 or 10 bit

* Input+output or dual output
** Arbitrary packet size in raw mode

Available Options and Ordering Info

All USA orders will be shipped from our USA warehouse. 

All other orders will be shipped from Canada.



DTA-2145  –   Multi-Purpose ASI/SDI Input+Output  adapter  for PCI Express bus

DTA-2145-SLP  –   Multi-Purpose ASI/SDI Input+Output  adapter  for PCI Express bus with StreamXpress and StreamXpert Lite

DTA-2145-SXP  –   Multi-Purpose ASI/SDI Input+Output adapter  for PCI Express bus with StreamXpress and StreamXpert

DTA-2145-SY-SXP  –  Multi-Purpose ASI/SDI Input+Output adapter for PCI Express bus with StreamXpress, StreamXpert and SdEye

DTA-2145-VR-SY-SXP  –  Multi-Purpose ASI/SDI Input+Output adapter for PCI Express bus with VF-Rec stream recorder, StreamXpress, StreamXpert and SdEye


1.  StreamXpress –  Playout  Software

  • Low-cost, high-performance playout software that supports all DekTec output adapters
  • Endless play with optional automatic correction of continuity-counter, PCR/PTS/DTS and TDT/TOT fields
  • SOAP-based remote control to automate StreamXpress operations (DTC-302-RC option)
  • Saving and restoring playout parameters using XML-based settings file
  • Reproducible injection of errors in the transport stream with adjustable error rate
  • Easy-to-use control of modulation and channel simulation parameters

2.    StreamXpert – Transport Stream Analyser Software
• Real-time analysis, monitoring and recording of MPEG-2 transport streams
• Recording based on duration, size or manual
• Provides detailed statistics on the PIDs, services and tables found in the transport stream
• Displays PIDs, services, tables, descriptors, stream information and PID-grid (compact overview of all PIDs)
• User definable TR 101 290 templates
• PCR analysis
• Measurement of bitrates, PCR-accuracy and interval
• Integrated SD/HD video and audio decoder with support for MPEG-2, AVC/H.264, HEVC/H.265, AVS, 4:2:2 and 10 bit video streams and MP1 / MP2 / (HE-)AAC / Dolby AC3 / Dolby AC4 audio
• Deep decoding of PSI, DVB-SI, DVB-RCS and ATSC-PSIP tables and descriptors
• Closed captions decoding
• SI decoding with user templates, Dolby AC4 analysis, multi-monitor support
• Support for analysing TS-over-IP streams via a DTA-2160 / DTA-2162 or a local network port
• The world’s most cost-effective and user-friendly transport-stream analyser

3.  StreamXpert Lite – Light-weight version of StreamXpert for viewing and recording transport-stream contents, and for decoding audio and video.


                                                             StreamXpert           StreamXpert Lite

Ribbon based GUI                                        ✓                               ✓
List with properties of all PIDs                      ✓                               –
List with properties of all services                 ✓                               partial
List with properties of all tables                    ✓                                –
Video Decoding
HEVC                                                            ✓                                ✓
AVC                                                               ✓                                ✓
AVS                                                               ✓                                ✓
MPEG-2                                                        ✓                                ✓
4:2:2                                                              ✓                                –
10-bit                                                             ✓                                –
Full screen mode                                          ✓                                ✓
Multi-monitor support                                    ✓                                ✓
Audio Decoding
HE-AAC                                                        ✓                                ✓
AAC                                                              ✓                                ✓
E-AC-3                                                          ✓                                ✓
AC-3                                                             ✓                                 ✓
MPEG-1 Layer II                                           ✓                                ✓
Supported Interfaces
DekTec input adapters                                   ✓                                 ✓
PC network ports                                           ✓                                 ✓
Custom table and descriptor templates         ✓                                  –
PID Grid, graphical overview of all PIDs        ✓                                  –
Dolby AC-4 analysis                                       ✓                                  –
Manual mode                                                ✓                                  ✓
Size based                                                    ✓                                  ✓
Duration based                                              ✓                                  ✓
Measurement and Compliance
TR 101 290 priority 1, 2 and 3                      ✓                                  –
Bitrate                                                           ✓                                  partial
PCR graphs                                                  ✓                                  –
PCR accuracy                                               ✓                                  –
PCR interval                                                  ✓                                  –
PCR frequency offset                                    ✓                                  –


4.   SdEye    –    SDI Analysis and Monitoring Software

  • Cost-effective real-time waveform analyser for SMPTE-259M signals
  • Displays picture, YCbCr / RGB waveforms, vectorscope and peak meter
  • Various picture display modes: interlaced, top- or bottom-field only, top and bottom field, full SDI frame
  • User can select whether he wants to display Y, Cb, Cr, R, G and/or B components in the picture
  • Contemporary GUI with quick access buttons and user-selectable window layout
  • Supports all DekTec SDI-capable adapters including bus-powered USB-2 units for portable SDI monitoring

5.  VF-Rec – Advanced transport-stream/SDI recorder
• Advanced recorder for TS, ETI, SDI, I/Q samples and T2MI.
• Allows to do continuous recording and remote control through SNMP
• Record to a single file, to multiple files or continuous
• SDI recording 10-bit full frame, up to 3G-SDI
• Remote monitoring and control through SNMP