Tuning Acoustic Quality of Audio Devices with Simulation

Tuning Acoustic Quality of Audio Devices with Simulation
12
Apr

 

When designing an audio device, the most important thing for an engineer to consider is the quality of the sound. Quality is what makes the device valuable and differentiates it from competitors. Audio device manufacturing companies experience extremely high product development costs due to repetitive and expensive physical testing. In addition to the need for extensive physical testing, the engineering process of audio devices is unique because the complete audio system must be tested. For example, a loudspeaker in a car door is not simply tested as a loudspeaker. The car interior must be taken into account, as the acoustic cavity behind the loudspeaker in the car will create vibration and will have an effect on sound quality. To mitigate these problems and reduce the number of physical tests, engineers in this industry are increasingly turning to acoustic simulation.

 

To perform acoustic simulation Actran can be used very effectively. It allows users to do acoustic simulation, vibro-acoustic simulation and aero-acoustic simulation. It is based on finite element and infinite element method and also easy to use thanks to its dedicated graphical user interface and scripting capabilities. The simulation process in Actran includes meshing & model building, computation and post processing the result and it is widely used in automotive, aerospace, machinery for factory and consumer goods as well such as hearing aids and consumer electronics. 

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