• Description
  • Specifications
  • Available Options and Ordering Info


The DTU-351 is a small USB-3 device for getting HD-SDI signals into a laptop, tablet or PC.
The unit is bus-powered, so no power supply is required.


  •  USB powered – no power supply required
  •  All 10-bit data words from the full SDI frame can be read
  •  All 16 audio channels can be read
  •  Scaling by 1/4 or 1/16 in hardware; scaling factor can be switched on-the-fly
  •  DirectShow filter available
  •  Free SDK for easy programmatic access to video, audio channels and auxiliary data


  •  With SdEye: HD-SDI waveform analysis
  •  With VR-Rec: HD-SDI recording
  •  Input for DirectShow-enabled applications hat process uncompressed video
  •  HD-SDI input for your application



SDI Connector                          75Ω  BNC
Physical Layer                         SD-SDI:   SMPTE 259M
.                                                     HD-SDI:  SMPTE 292M
Return loss                                >= 12dB @ 0 to 1.5GHz
DekTec Matrix API                  8/10/16-bit conversion
.                                                     Audio/video/ANC extraction
.                                                     Hardware scaling: 1/4 or 1/16
.                                                     Multiple unit synchronization

SDK                                                DTAPI with DekTec Matrix API

Supported Formats                   525i, 625i
.                                                       720p23.98, 720p24, 720p25, 720p29.97, 720p30, 720p50, 720p60
.                                                       1080i50, 1080i59.94, 1080i60
.                                                       1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30

System requirements:
USB speed                                    USB-3
OS                                                   Windows 7, 8/10;  Linux   >= 2.6.31, 3x, 4x
Processor:                                     Core i5 minimum, Core i7 recommended, or equivalent AMD CPUs



Available Options and Ordering Info

All USA orders will be shipped from our USA warehouse. 

All other orders will be shipped from Canada.


DTU-351-SY  –   DTU-351 with SdEye waveform monitoring and analysis

DTU-351-VR –  DTU-351 with VF-Rec stream recording software

DTU-351-VR-SY –  DTU-351 with VF-Rec stream recorder and SdEye



1. SdEye    –    SDI Analysis and Monitoring Software

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

2. 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