Technologies ACOUSTIC SYSTEMS
Project #147
Counteraperture and Semicounteraperture Speaker Acoustic Systems.

 

Description

An innovative collection of speakers with flowing, wrap-a-round, clear and totally natural sound. Endless design possibilities. Wide range of dimensions and sound-power level.

 

     

Benefits

  • Formation of acoustic pressure directly within the speaker due to a symmetrical action on the medium from two opposite sides in accordance with the countaperture principle;
  • Absence of source-listener direction vibrations from radiation surfaces that cause Doppler intermodulation;
  • Single and immovable center of acoustic radiation across all frequencies and at all amplitudes of the signal with 360 degrees of sound propagation;
  • Provision of early reflections (in 10-90 ms time range) to improve the articulation and easy perception of the sound via the most favourable correlation of direct and reflected signals at the point of audition;
  • Provision of absolute homogeneity of acoustic radiation along the horizontal angle, better homogeneity of the field along the vertical plane and at a greater distance from the source.

Also should be noted an "ecological" character of the sound, weaker artificial association of acoustic images with the radiators in favor of real sound image distribution in space, and easier perception due to the fact that the brain no longer has to synthesize imaginary sources of the sound.

Project development

Various models of loud speakers were produced and tested in the pilot scale during several years.

Legal protection of technologies

These Speaker Acoustic Systems are covered by the patents of the Russian Federation, USA, Canada, Australia, Korea and other's.

Application, commercial use

Due to the high-quality sound reproduction and distinguished acoustic characteristics this speakers may be used in home, public, semi-professional and professional conditions, and in public announcement systems of airports, railway stations, in trains, ships, and similar environments which require an improved articulation under noise and interference conditions.

Inventors background

One of the inventors is a professional musician and the other is Ph.D. in the field of acoustic engineering.

Additional

Inventors are ready to demonstrate their products, samples are available.

Expertise

Measurments of acoustic characteristics by different methods in several certified laboratories. There are a number of positive references from experts and lovers of music and sound.

Contact: Salut Technologies West Corp.


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