Pragmatical Approach To Speaker Industrial Testing

The aim of the project is to develop a sine wave generator and a measuring system suitable for testing speakers made in an acoustic factory. The compactness of the device is characterized by the fact that it can be easily calibrated in a few steps and used in the production area or in laboratories with the right instrument frame. The device is based on an RPI 4B single-card computer running self-developed software that makes working with the system enjoyable and easy with a graphical interface. This article presents the necessity and structure of the system itself, a description of its functions, a measurement system analysis (MSA), and finally the results of a distortion measurement.