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Header of Stream Labs MH4GTX

4 x 3G-SDI/ASI with internal/external synch

MH4GTX is a professional broadcast quality product specifically designed for use in studio and digital TV equipment applications such as:

  • NLE suites; Ingest servers;
  • Video switchers and master controls;
  • Digital studio matrix;
  • Signal transformation equipment;
  • Transport stream multiplexers;
  • H.264/H.265/AV1/VVI encoders;
  • Digital TV modulators.

MH4GTX card can be utilized to capture:

  • Digital serial video signals with embedded audio and ancillary data up to 3 Gbps bitrate with 3G-SDI interface
  • Transport streams with ASI interface

Main features:

  • 4 inputs 3G-SDI/ASI;
  • Embedded audio and ANC can be captured along with active video;
  • Stream Labs SDK supported for low-level functions, i.e. direct access to a raw data buffer;
  • Medialooks SDK supported for high-level functions, i.e. ANC parsing;
  • External tri-sync and black burst synchronization with a separate synch input.

MH4GTX specification

Physical interfaces: 4хBNC for signals, 1xBNC for synchro.
Input signals:

  • 3G/HD/SD by SMPTE 259M, SMPTE 292M, SMPTE 296M, SMPTE 310M, SMPTE 425M, ITU-R BT.656 and ITU-R BT.601 with support of 16 channel embedded audio & ANC metadata.
  • ASI

Video signal formats:

3G: 1080p@50, 1080p@59.94, 1080p@60
HD: 1080p@23.98, 1080p@24, 1080p@25, 1080p@29.97, 1080p@30 1080i@50, 1080i@59.94, 1080i@60 720p@50, 720p@59.94, 720p@60
SD: 525i@59.94, 625i@50
Sampling: 4:2:2, 8 bits (YUYV, UYVY), 10 bits (V210, 10 in 16)
Color space: REC 601, REC 709
Audio format: 48 kHz/24 bits, embedded in SDI
External synch: tri-sync (SMPTE ST 240:1995), black burst.

  • Stream Labs SDK (no additional license required);
  • Medialooks SDK (separate Medialooks license required);
  • Linux and Windows driver.

Bus: 4xPCI Express 2.0

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