Information which must be continuously inputted or outputted in time, namely, audio and picture information, are inputted and outputted into a file apparatus as the digital data. Conventionally, the continuous inputting and outputting operations of the audio and the picture information and editing operations...http://www.google.com/patents/US5379380?utm_source=gb-gplus-sharePatent US5379380 - System with dedicated buffers connected to respective I/O devices for continuous processing of digital data