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DSP Beam Steering with Modern Line Arrays
https://www.fast-and-wide.com/images/stories/White_papers/beam_steering.pdf
and ideas for audio beam steering come mainly from textbooks about antenna theory and underwater acoustic sonar. There are three main reasons why beam steering loudspeakers using examples from antenna theory or sonar can have unintend-ed consequences: (1) Eleven Octaves, (2) Waveguides / Horns, and (3) Back Lobes.
CADAC Technologies • Beam Steering Technology
https://www.cadac-technologies.com/technology
CADAC beam steering systems provide high-end audio performance, unmatched beam forming precision, selective sound distribution and an all in one software solution with a most simplified user interface. Reflections can be reduced to a minimum, while the speech intelligibility is improved significantly.
US7146011B2 - Steering of directional sound beams - …
https://patents.google.com/patent/US7146011B2/en
Apparatus is disclosed for steering a directional audio beam that is self-demodulated from an ultrasound carrier.
Fohhn | That Sounds Good - TSG Audio Innovation
https://tsgaudioinnovation.com/fohhn.php
The Fohhn Beam Steering Systems are available in all conceivable sizes as well as a wide range of sound point sources, line source speakers, line arrays, ceiling speakers, high-performance amplifiers, accessories and software.
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