Having its roots in the creation of the SACD and DSD formats Playback Designs pioneered digital audio source products with analog performance. It invented the concepts of FPGA based D/A converters, DSD transmission over USB, time based frequency upsampling, ultra low jitter clock control, native format digital links based on fiber optics and so many other revolutionary technologies that set the company apart from its competitors. Combined with its in-house analog circuitry design expertise Playback Designs became a performance reference not only for digital products, but also for award winning analog products.