The TesiraFORT DSP processor and Tesira EX-UBT AVB expander can be used to receive and/or transmit digital audio via USB to a PC. The USB port is used for audio only; the TesiraFORT DSP processor and Tesira EX-UBT AVB expander cannot be programmed or otherwise accessed via the USB port, and the Tesira USB port does not support video applications.