Virtual engine sound system (VESS)

Products and reference designs

Virtual engine sound system (VESS)

Block diagram


Our integrated circuits and reference designs will help you create virtual engine sound system (VESS) designs, also known as an acoustic vehicle alerting system (AVAS), that allow you to meet government regulations and decrease your time to market.

Design requirements:

Modern VESS designs require:

  • Sufficient audio output power complying with federal regulations.
  • Compliant frequency spectrum and modulation of sound.
  • Reliable output load diagnostics in all operation modes.

Block diagram

Find products and reference designs for your system.

Technical documentation

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Type Title Date
Technical articles Is a LiFePO4 or Lithium-ion battery better for eCall systems? 25 Oct 2016
White paper Basic considerations for sensors in the powertrain (Rev. A) 23 Dec 2019
Technical articles Eight things to consider when choosing haptic feedback – part 2 18 Aug 2016
Technical articles The D-CAP+™ Modulator: Evaluating the small-signal robustness 15 Nov 2017
White paper 動力系統感測器的基本考量 03 Oct 2019
Technical articles What is the difference between Code Composer Studio v4 and v5? 01 Nov 2010

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