DTA-2178

Eight 12G-SDI/ASI Ports for PCIe

High density, attractive price. Eight ports that can do SD to 3G, and ASI, in any mix. Ports 1 and 5 can receive or transmit full 12G-SDI to stream two times 2160p50/60. Each port can scale 4K to 2K, enabling the monitoring of eight 12G-SDI signals.

  • Eight ports fully configurable from software:
    – Input or output
    – ASI or SDI
    – SDI: SD, HD, 3G level A/B, 6G, 12G
  • Sufficient bus bandwidth (PCIe gen3 x8) for reception and/or transmission of two full-frame uncompressed 4K channels (2x 12G-SDI or 2x quad-link 3G-SDI).
  • 8x 12G-SDI input with scaling to 3G-SDI, e.g. for monitoring purposes.
  • Genlock input accepting bi-/tri-level sync.
  • Low latency DMA to and from software.
  • Free drivers and SDK, including DekTec Matrix API© 2.0, for Windows and Linux

FEATURES

KEY ATTRIBUTES

Parameter Value
Port
Port 1~8
SD, HD, 3G level A/B, 6G, 12G
*All 8 SDI/ASI ports can input 12G by scaling to 3G. Ports 1 and 5 can handle full 12G-SDI input or output.
Port 9
Bi/tri-level genlock input
Connectors
9x 75-Ω micro BNC
PCI Express
PCIe3 x8 low profile
Air flow
≥2m/s (400LFM)
DekTec Matrix API© 2.0
Pixel format conversion
Audio/video extraction
HANC/VANC access
Scaling by 1/4 or 1/16
All 16 audio channels
Quad link ⇔ 4K conversion
Physical layer
DVB_ASI
EN50083-9
SD-SDI
SMPTE 259M
HD-SDI
SMPTE 292M
3G-SDI
SMPTE 424M
6G-SDI
SMPTE ST-2081
4K quad link
SMPTE 425-5
12G-SDI
SMPTE ST-2082
PC Support
OS
Windows 10, 11
Windows Server 16, 19, 22
Linux ≥2.6.18, 3.x, 4.x, 5.x
Processor
Core i5 minimum
Core i7 recommended
Or equivalent AMD CPUs

FIRMWARE VARIANTS

The DTA-2178 has three firmware variants, described in detail in application note DT-AN-2178-1. An overview of the three variants is shown below.

・Variant 1 - Eight 3G-SDI/ASI channels with 12G-SDI to 3G scaling

Each channel can be configured independently as input or output, as ASI or SDI (SD, HD or 3G), or as copy of another port in a group of 4 ports. 12G-SDI input is supported by scaling to 3G in the 4K-to-2K block. Similarly, 6G-SDI can be scaled to HD.

*Variant 1 does not support 12G- or 6G-SDI output.

・Variant 2 - Dual 4K channels over 12G-SDI or quad link

This variant supports two full 4K UHD streams: 2x 4K input, 2x 4K output, or 4K input + 4K output. Each 4K stream can be carried over 12G-SDI or over SMPTE 425-5 quad-link 3G.

・Variant 3 - Dual 12G-SDI with ASI/SDI side channel

Two 12G-SDI input or output channels with “side channels” that can be used for downscaled SDI output (up to 3G-SDI, downscaling to be handled by the software), or an independent ASI or SDI input or output. If the side channel is an output, it can be triply-buffered on ports 2/3/4 or 6/7/8.

DekTec Matrix API® 2.0

The Matrix-API framework decodes incoming SDI data into pixels (in a programmable format), audio samples and ANC data structures. When a new frame has been received, the framework calls a user-supplied “frame-processor callback” for processing of the data. The user callback can create output video, audio and ANC data, which is encoded by the framework into SDI frames.

Synchronization of multiple input streams is straightforward: The video/audio/anc data of all SDI frames supplied to the callback function have the same arrival time by definition. Past frames can be accessed by an integer frame index. The framework ensures that if frames from different input ports have the same frame index, they have entered the system at the same time instance.

ORDER

Type Description
DTA-2178
Eight 12G-SDI/ASI ports for PCIe.
DTA-2178-SLP
DTA-2178 with StreamXpert Lite and StreamXpress player software
DTA-2178-SXP
DTA-2178 with StreamXpert analyzer and StreamXpress player software
DTA-2178-SY-SXP
DTA-2178 with SdEye and StreamXpert analyzer and StreamXpress player software

SOFTWARE

Software Description
Real-Time Stream Analyzer Lite version
*Lower-priced version with decoding and basic recording functions only
Real-Time Stream Analyzer
Stream Player for R&D, Testing, Demos
Real-Time SDI Analyzer
Advanced TS/SDI Recording Software
*need VF-REC software license (DTC-316-VR)

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