Reflection pattern studies with Ray Tracing

Numerous powerful Ray Tracing tools are offered by EASE, ranging from simple Ray Tracing  as well as Mirror Imaging to an advanced hybrid method, comprising the most accepted techniques worldwide.

Simple Ray Tracing is an excellent instrument for reflection pattern studies.    

A sound source generates an impulse: a number of particles (or rays) are released into the room, propagating at the speed of sound. As they travel, they lose energy due to air absorption, which is especially noticeable at higher frequencies. Eventually a particle hits a room boundary - or an obstacle - loses more energy, and is reflected back to the room, in an iterative process. The program keeps track of each particles path, energy and time, until pre-determined limits are reached (such as propagation time, reflection order or energy loss).

You will know exactly when, where and how the rays hit the surfaces, being able to visualize and study the propagation of sound throughout the room.

This tool stores information about all reflections so that, ray by ray, you can identify potential geometry problems and evaluate possible solutions. Ray tracing is also a great presentation tool for demonstrating complicated acoustic problems very intuitively to a client.

Are those panels correctly angled?

Will that rigid back wall cause any problems due to the long propagation path?

Do I have to expect flutter echoes in this hall?

How does a whispering dome work exactly?

Handy options and expanded functionality can provide you different perspectives:

  • Let the program define the color of a Ray - or particle - by its order, SPL, energy loss or even the color of the reflecting surface .
  • Display only Rays that hit specific surfaces.
  • Show only the Rays emitted within the loudspeakers 3, 6 or 9 dB coverage cones.
  • Analyze each Ray in detail: bounce location at a surface, traveled path, distance, delay, levels from different perspectives, etc. All for each available frequency band.
  • Visualize the propagation of particles into the room through the Movie feature.

For this study usually a relatively small number of rays, e.g. 1,000, is enough.