Excelfore has been delivering Ethernet AVB solutions since 2010, and has built a strong expertise in providing end-to-end solutions. Excelfore’s Ethernet AVB stack is built on Linux, and works on any Cortex ARM processor with a built-in Ethernet 1588 MAC support. This can easily be ported into any OS. The stack includes a full implementation of the IEEE 1722 Layer2 AVBTP with 802.1AS, Qat, Qav, IEC61883 and 1733 on RAW Ethernet socket.

Ethernet AVB applications available

  • Application Framework for Automotive Infotainment End points
  • ADAS Camera Integration for Automotive Applications
  • Audio Amplifier Integration
  • Remote Smart Tuner
  • Remote Media Gateway
  • RSTP Gstreamer 1733 extension for Pro A/V applications

IEEE1722 Layer2 AVBTP

  • Full implementation of IEEE 1722 Layer2 AVB Transport Protocol (AVBTP) on RAW Ethernet
  • Operating System Support
    • FreeRTOS
    • Linux
    • SysBIOS

IEEE 802.1AS

  • gPTP: Generalized Precision Time Protocol
  • Quick and Accurate clock synchronization
  • CPTS supported micro second level clock synchronization
  • Available on Linux and SysBIOS

Excelfore AVB Stack Components


AVTVP Centaurus Video

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AVB gPTP Synchronization Video

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Excelfore AVB Architecture Flow


RTSP based Gstreamer Support for A/V Applications under AVB


About Excelfore:

Excelfore Corporation, located in Silicon Valley, enables smart mobility networks with a scalable and secure unified middleware framework. Excelfore products include the eAVB™ protocol stack for in-vehicle Ethernet time-sensitive networking, as well as cloud-to-vehicle eSync™ software update management, eDiagnostics™
smart diagnostics, and eLearn™ failure prognostics and machine learning.


Press Contact: Mark Singer
+1.510.868.2500 x410 / pr@excelfore.com

Anja-Marie Hostenrath, Embedded PR
+49.1711.95.9330 / ah@embedded-pr.de
Cynthia Hoye, Embedded PR
+1.408.858.2602 / ch@embedded-pr.com

Excelfore is registered trademark of Excelfore Corporation.