The program package EASE/EARS/AURA contains
room-acoustical and electroacoustical simulation software which has been
developed in our house since the end of the 1980ies.
This software is our most important verification tool for planning room
acoustics and sound-reinforcement systems. It enables not only the simulation
of acoustic occurances in rooms which do not yet exist or are to be rebuilt,
but also the verification of sound-design solutions, especially in cases
where a great number of loudspeakers or arrays are used.
To this effect 3-dimensional acoustical models of the rooms have on principle
to be generated in the computer which thereafter can be used for computing
a wide range of different parameters like reverberation time, impulse response,
sound pressure level distribution in sound reinforcement systems, speech
intelligibility, and many more. For optimizing the results it is easily
possible to change wall arrangements and wall materials as well as loudspeaker
types.
For room-acoustical investigations, computer simulation thus provides essentially
more extensive results at a notably reduced expense than the hitherto used
physical model measuring technique which it is now replacing almost completely.
Only for concert hall design or the room-acoustical layout of complicated
room structures these model measuring techniques are still being used.
In fall 1999 ADA Acoustic Design Ahnert launched the Windows-version of EASE 3.0. Delivery of EASE 4.0, complete with Handbook and Tutorial, started at the beginning of August 2002. In fall 2003 the update-version EASE4.1 was finished.
EASE 4.1 is a 32-bit program running on the operating systems Windows 98/NT/2000/XP. Windows 95 is no longer recommended, since it requires special adjustments and certain Service Packages.