In the late 80's and early 90's institutions like NASA (USA), DLR (Germany), NLR (Netherlands) as well as companies like Boeing (USA) and Airbus (Europe) were leading the academic and technical development of sound source localizations techniques. As companies in today's globalized world operate under pressure of competition and governmental legislation, the visualization of sound sources was and is essential for understanding a product's acoustic behavior and therefore an integral part of product development. To make the world a quieter place, all try to improve it by understanding, reducing and controlling noise. Even 15 years after the initial market introduction of commercial Beamforming systems not everyone trusts and understands their capabilities and limitations. The aim of this paper is to present a variety of applications and results to show their possibilities and increase the understanding of the limits for different technologies for sound source localization and visualization methods. To do so, a vast selection of colorful and practical examples will provide a better understanding of what is feasible. The given examples range from small motors for digital cameras to household appliances, from cars to mining trucks, from small rooms to theatres and stadiums or from bats to elephants.
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