A method and apparatus for high speed decoding of a 20 bit wide data into 16-bit wide data in which the first ten bits and the lower ten bits are decoded simultaneously to ensure complete decoding and where the decoding of the second ten bits is dependent upon the running disparity of the first ten bits,...http://www.google.fr/patents/US5592160?utm_source=gb-gplus-shareBrevet US5592160 - Method and apparatus for transmission code decoding and encoding
Method and apparatus for transmission code decoding and encoding