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Rhintek Computer Engineering

Award-Winning Room Acoustic Modelling Software Adds Comprehensive Tutorial


9 Sept 2003, Columbia, MD - Rhintek, Inc announces the completion of the CARA 2.1 Plus Training CD. Seventeen independent video clips take you through a complete room design, from the initial choices in the floor plan down to optimizing the parameters and room elements for the best and fastest results. With the CARA Training CD, you get:
  • Step-by-step guidance on how to create room designs, perform calculations and optimize your settings!
  • An easy browser-like interface allowing you to choose lessons in any order you wish.
  • Sample room designs which match the finishing designs of many lessons.
  • Full transcripts for quick lookup.
  • CARACAD and CARACALC help files added as a printable reference.

As Stereophile's 2001 Accessory Product of the Year, CARA (Computer Aided Room Acoustics) 2.1 Plus is an advanced program suite for computing and optimizing room acoustics. CARA automatically optimizes the positioning of your loudspeakers and the listening place -- improving sound coloration (linearizing sound pressure frequency response), stereophonic sound localization, and speech intelligibility. CARA is based on the sound source imaging method in combination with a backtracing procedure.

The CARA Training CD will be included in all new packages of CARA 2.1 Plus ($74.95). It is also available separately for $24.95 from Rhintek at 800-234-4546, or their website at http://www.rhintek.com
Rhintek Computer Engineering

CARA 2.1 PLUS NOW AVAILABLE!


JANUARY 2002 - COLUMBIA, MD - Rhintek, Inc. announces the availability of CARA 2.1 PLUS to the American and Canadian markets.
   CARA, Computer Aided Room Acoustics, is an MS Windows room acoustic modelling software package used by hobbyists and professionals to accurately determine the properties of sound waves in custom room designs. Now that electronic audio systems have virtually eliminated distortion through digital technology, room acoustics are the next challenge in perfecting the sound experience.
   CARA automatically optimizes the positioning of your loudspeakers and the listening place -- improving sound coloration (linearizing sound pressure frequency response), stereophonic sound localization, and speech intelligibility.

New features of CARA 2.1 PLUS include:
  • New Room Design Wizard offers a number of predefined floor plan templates,
  • Converter window for changing dimensions from standard to metric,
  • Preset loudspeaker configurations now include 6.1, 7.1, and 8.1 Surround,
  • Loudspeaker Editor now models 1-5 way loudspeakers, active/passive subwoofers, and dipole radiating flat panels,
  • Can define symmetry constraint options such as equal spacing to front and side walls,
  • Optimized calculating times so that simple rooms are calculated 1000 times faster than before!
  • Calculate and evaluate the "Acoustic Ambiance" of the room design using the reverberation time spectrum,
  • Suggests room modifications to improve the "Acoustic Ambiance" of the modelled room,
  • Run an "Auralization" and find out how the room acoustics influence music in the modelled room,
  • Special media player to compare "before" and "after" wave files and hear how room elements affect the acoustics.


  •    CARA 2.1 PLUS retails for $49.95 US Dollars for the full product and $29.95 for the upgrade from CARA 2.0. It is available in the US/Canadian markets through Rhintek, Inc. Call 800-234-4546, email cara@rhintek.com, or visit the website at http://www.rhintek.com for more details.

    Rhintek Computer Engineering

    STEREOPHILE AWARDS CARA


    DECEMBER 2001, COLUMBIA, MD - CARA 2.0, the revolutionary room acoustic modelling software product, was named "Joint Accessory Product of 2001" by Stereophile magazine.    "The predictions are accurate, the results satisfying. I intend to use CARA for all my acoustic planning," exclaims reviewer Kalman Rubinson.    CARA, Computer Aided Room Acoustics, is an MS Windows room acoustic modelling software package used by hobbyists and professionals to accurately determine the properties of sound waves in custom room designs. Now that electronic audio systems have virtually eliminated distortion through digital technology, room acoustics are the next challenge in perfecting the sound experience.    CARA automatically optimizes the positioning of your loudspeakers and the listening place -- improving sound coloration (linearizing sound pressure frequency response), stereophonic sound localization, and speech intelligibility.

    CARA 2.0 consists of:
  • CARACAD - a room design tool tailored for room acoustics. Create complicated floor plans such as bay windows and connected rooms, add sloping ceiling, floors, and walls, attach different materials to surfaces, create and save furniture pieces, etc.,
  • CARACAD Materials Editor - edits material properties to establish absorption coefficients across all relevant audio frequencies,
  • CARACAD Loudspeaker Editor and Wizard - creates custom loudspeakers,
  • CARACALC - performs numerous calculations on CARACAD designs to determine the sound field properties and best positioning of loudspeakers,
  • ETS2DV - sophisticated graph program to view and adjust 2D graphs,
  • ETS3DV - displays 3 and 4 dimensional data as graphs and movies.


  •    Dr. Ulrich Thomanek, German physicist and acoustic expert, developed CARA using comprehensive mathematical models incorporating both classical and the latest theories of sound propagation, absorption, and reflection. As Chief Scientist at the German high-end loudspeaker firm, ELAC, Dr. Thomanek produced many revolutionary loudspeaker designs and modelling programs.

    CARA retails for $49.95 US Dollars and is available in the US/Canadian markets through Rhintek, Inc. Call 800-234-4546, email cara@rhintek.com, or visit the website at http://www.rhintek.com for more details.



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