摘要 |
A method for pair-match Huffman transcoding a Huffman-encoded bit stream (e.g. an MPEG digital video bit stream) which includes a plurality of qualifying and non-qualifying types of variable length original code words to be processed by a variable length decoder (VLD) with two word bit stream segmentation, wherein the VLD has a decoding window N bits wide. The method includes the steps of pair-match Huffman transcoding at least selected ones of the qualifying types of code words to produce corresponding transcoded code words in such a manner that the combined length of any pair of the transcoded words is </= N. A device for implementing this method, as well as a high-performance variable length decoder with two-word bit stream segmentation which utilizes this method, are also disclosed. |