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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
Win Server 12*, 16, 19, 22

* From June 2023, driver updates for Windows 7, 8, and Server 2012 will no longer be provided. Application installers will include June 2023 drivers as the final versions for these editions.

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