A speaker cone vibrates behind the grill, creating invisible sounds that makes its way to your ears. Just in case you didn’t know, laser measurement tools have become so powerful that it is possible to use them for measuring and visualizing these sound waves.
In fact, Bowers & Wilkins did just that, using laser measurement tools to understand how the various components of a speaker system behave.
According to the company’s senior product manager, Mike Gough, laser measurement tools are used to get precise measurements. Next, these measurements are plotted as 3D graphs. Then, the graphs are turned into motion-time graphs by a simulator.
Check out this steady-state sine waves and impulses signals. Cool.
"It has been the risk-takers, the doers, the makers of things – some celebrated, but more often men and women obscure in their labor – who have carried us up the long rugged path towards prosperity and freedom," said President Obama. And I write about their creativity and resourcefulness.