A method and apparatus for controlling a memory to record data received at random rate into a fixed rate and to reproduce the data recorded in a fixed rate includes a shuffle memory with a plurality of memory banks for recording and reproducing a digital data at a fixed rate and the smoothing memory...http://www.google.de/patents/US6260170?utm_source=gb-gplus-sharePatent US6260170 - Method for controlling memory and digital recording/reproducing device using the same