Technology

Ambisone offers ahead-of-the-game far-field voice pickup technology, which goes far beyond common hands-free algorithms. This includes accurate 3-D localization of multiple speakers and noise sources by using acoustics only. On this basis advanced speech processing is used to extract a crystal-clear speech signal. The algorithms run on embedded hardware and are wrapped up in an appealing product design while maintaining full acoustical performance.

Multi-channel Beamforming

  • multi-channel beamforming for audio signal acquisition
  • near-field, broadband beamformer algorithms
  • 3-dimensional beamsteering
  • for noise removal and dereverberation
  • supports multiple source signals
  • provides single-channel, enhanced output signals
  • acoustic echo cancellation integrated

source localization

Localization

  • accurate 3-dimensional localization of acoustical sources in rooms or under free-field conditions
  • spatial sampling of the acoustical enviroment
  • supports multiple concurrent speakers and noise sources
  • supports moving sources
  • real-time capability
  • utilizes acoustical information only

Real-time adaptation

  • adaptation to changing environmental conditions in real-time
  • supports multiple concurrent speakers and noise sources
  • supports moving sources
  • discrimination of intended user and competing speakers, radio, TV and other noise sources

far-field voice processor

Speech enhancement

  • noise removal and dereverberation
  • speech separation
  • acoustic echo cancellation
  • supports multiple concurrent speakers and noise sources
  • supports moving sources
  • real-time capability
  • to reduce the error rate in automatic speech recognition tasks
  • to improve speech intelligibility for communication purposes