Hands-free Communication in Full-Duplex Quality and with Innovative Acoustic Echo Cancellation

vicHSES - Handsfree and Speech Enhancement Suite.

The signal processing library vicHSES provides an excellent, full-duplex speech quality for hands-free systems. Patented, innovative methods for acoustic echo cancellation (AEC) adapt to environmental conditions continuously and eliminate disturbing echos during hands-free communication automatically. Further efficient signal processing algorithms enable an optimal adaptation to channel conditions, device features, adequate loudness and high speech intelligibility.

Product Features

  • VDA-compliant, full-duplex echo cancellation (AEC) for comfortable hands-free communication
  • One-channel, automatic noise reduction (ANR) and complete library of speech enhancement algorithms
  • Platform-independent, proven code with high portability to Windows, LINUX, OSX, iOS, Android
  • Available on ADSP Blackfin, SHARC; TI C6000; OMAP, i.Mx6; Cortex M4
  • Graphical parameterization and evaluation tools


  • Hands-free systems for cars and commercial vehicles
  • Communication between control stations and emergency vehicles
  • Intercom / Building Communication
  • Conferencing and professional audio
  • Emergency call systems
  • Passenger information systems

More Information

Why do you need an acoustic echo cancellation (AEC)?
How does ist work?

Learn More