Patent ID: 6011663
Filing Date: 2000-01-04
Classification: H04N

Abstract:
A digital VTR, comprising:extracting means for receiving digital video data divided into blocks, and quantized and variable-length coded on a block-by-block basis, portions of said digital video data being encoded according to a first type of encodation and other portions of said digital video data being encoded according to at least a second type of encodation, and said extracting means for extracting said portions of said digital video data encoded according to said first type of encodation;variable-length decoding means for variable-length decoding said extracted portions of said digital video data encoded according to said first type of encodation;quantizing means for quantizing decoded data output by said variable-length decoding means; andvariable-length coding means for variable-length coding said quantized decoded data to form special-playback data.