A data processing system (10) is disclosed which comprises a microprocessor host (12) coupled to a decoding system (14). A host interface block (18) receives a bit stream and passes bit stream on to a system decoder block (20). The system decoder block (20) extracts the appropriate data from the bit...http://www.google.de/patents/US5657454?utm_source=gb-gplus-sharePatent US5657454 - Audio decoder circuit and method of operation