Sound Ideas Industry, Machinery, Tools and Office Sound Effects collections provide the sounds of the economy on the move: construction sites and machinery, factory whistles & conveyor belts, humming power plants, steel mill equipment, and office buildings alive with purpose. These are the sound effects that will add authenticity to cityscapes and workplaces – whether you work in film, television or game production. Populate your modern offices with the latest computer sounds or your period piece office with the ultimate legacy analogue machine: the typewriter.