Generic 711 Coupler—An Occluded Ear-Canal Simulator
Application ID: 12227
This is the model of an occluded ear canal simulator (a generic 711 coupler). Besides certain details the geometry corresponds to the Brüel & Kjær Ear Simulator Type 4157.
The real life couplers are used for simulating the acoustics of a standardized human ear canal and can be used for measurements on all sorts of devices. They are widely used in the hearing aid industry but also as ear canals on all sort of acoustic manikins for recording 3D sound.
About Brüel and Kjær:
Brüel & Kjær is a world leading manufacturer and supplier of sound and vibration test and measurement solutions. The products range from transducers (measurement microphones and vibration transducers), data acquisition and analysis software and hardware, hand held sound level meters, calibration systems, and more. The application areas are many and include aerospace, wind energy, environmental noise and sound, automotive, defense, and audio. See www.bkhome.com.
This model example illustrates applications of this type that would nominally be built using the following products:Acoustics Module
however, additional products may be required to completely define and model it. Furthermore, this example may also be defined and modeled using components from the following product combinations:
The combination of COMSOL® products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. Particular functionality may be common to several products. To determine the right combination of products for your modeling needs, review the Specification Chart and make use of a free evaluation license. The COMSOL Sales and Support teams are available for answering any questions you may have regarding this.