EASE Evac 1.1.90

Download EASE Evac 1.1.90


EASE Evac provides an intuitive tool for designing acoustic mass notification concepts in a room, hall or building complex. The 3D simulation software calculates the distribution of direct sound levels as well as total sound levels, the signal-to-noise ratio (SNR) and speech intelligibility (STI, ALCons, CIS).

  • Intuitive room entry in just minutes
  • Precise prediction of SPL and STI
  • Loudspeaker data for all leading brands
  • Extensive reports for calculation, presentation and installation

The scientific background of EASE Evac derives from the long-term research and development in conjunction with the programming of EASE, the professional electro- and room acoustic simulation software developed by Ahnert Feistel Media Group (AFMG).

In EASE Evac all rooms are defined by a 2D floorplan and a height. This simple approach speeds up modeling tremendously in everyday projects as hallways, foyers, conference rooms or even airport gate areas. EASE Evac offers various alternatives for entering the room. The import of images, AutoCAD DXF-format or Trimble SketchUp files as well as EASE room models simplifies the building of rooms with a complex layout. Several tools enable a quick modeling from scratch. Projects can consist of more than one room, each with its own room acoustic, defined by entering the reverberation time or assigning wall materials with their absorption coefficient to the surfaces of the room. All calculations are performed in 3D on statistical models by Eyring.

Wall- and ceiling-mounted loudspeakers, horns or sirens can be added to the model and may be positioned individually. Alternatively, the auto-arrange functions will quickly ‘install’ a vast number of ceiling loudspeakers in a user-defined grid. Sound source data is given in the EASE GLL format, AFMG’s primary loudspeaker file format.

Based on the room and the sources defined, the propagation of sound is simulated. Mappings on horizontal and vertical cutting planes visualize the calculation results. These results are shown as broadband or frequency dependent mappings with user–defined frequency ranges between 1/3 octave and 3 octaves, absolute or relative values, and A-weighted or non-weighted. Noise levels can be accounted for in order to perform speech intelligibility calculation according to IEC 60268-16. Both mappings and statistic distribution graphs present the following results:

  • Direct sound pressure level
  • Total sound pressure level
  • Signal-to-noise ratio
  • STI
  • ALCons
  • CIS

EASE Evac – Software & Hardware Requirements

EASE Evac runs on almost every modern Microsoft Windows computer. The following parameters can be seen as an appropriate basis:
Supported Operating Systems

Microsoft Windows Vista (Service Pack 1)

Microsoft Windows 7 32/64 bit

Microsoft Windows 8 32/64 bit

Microsoft Windows 10 32/64 bit

Microsoft Windows 11 32/64 bit

Additional Software Requirements

.NET Framework 4

Adobe Acrobat Reader 4.0 or higher

Display Minimum resolution 800 x 600 pixel 1024 x 768 pixel recommended

RAM 4 GB or more

CPU 1.5 GHz processor speed or higher Multiple processors (cores) are supported and recommended

Download EASE Evac 1.1.90

EASE Evac 1.1

Download EASE Evac 1.1.90

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install EASE Evac 1.1.90

Installation instructions: see file readme.txt