In an arrangement in which a CPU transmits data such as audio data through a 32-bit data bus, a format conversion device and a format conversion program are a are newly prepared. Further, input data having a first bit-width (32 bit width) is converted to output data having a second bit-width (24 bit...http://www.google.com/patents/US7130952?utm_source=gb-gplus-sharePatent US7130952 - Data transmit method and data transmit apparatus
