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DekTec Matrix API 2.0 - Real-time audio/video processing in software  

DekTec Matrix API 2.0

Real-time audio/video processing in software

Matrix API 2.0 allows you to easily create applications that process audio and video signals in real time, such as an SDI multiviewer.


Video - Supported Formats

UHD 2160p
HD 720p, 1080i, 1080p, 1080psf
SD 480i, 576i
Frame rate 23.98, 24, 25, 29.97, 30Hz
50, 59.94, 60Hz
Multi-link 4k SMPTE-425-5 including annex B

Audio - Supported Formats

Format PCM or raw AES
Sample rate 48kHz
Sample size 16-, 20-, 24-bit

Supported Adapters

PC Support

OS Windows 7, 8, 10, 11
Windows Server 12, 16, 19
Processor x86 with SSE3 support.
Recommended: Core i7 or better
RAM 1GB or more


  • Embeds or de-embeds video frames and audio samples, with programmable pixel format.
  • Multi-threaded architecture that keeps the end-to-end delay low.
  • Supports uncompressed 4K input and output.


  • Software-based encoder, decoder, transcoder.
    • For any SDI format up to 4K UHD with 12G-SDI or quad-link 3G-SDI interfacing.
    • HEVC, AVC, MPEG-2, ...
  • Multi-port SDI and/or ASI applications, e.g.:
    • Live production mixers;
    • Key- and fill generators;
    • SDI multi viewers;
    • Multi-channel transcoding to/from IP.

Block Diagram

Matrix API 2.0 block diagram

Key Products Supporting Matrix API