Method for recording information on a record medium, record medium containing information, and method and device for reading information from a record medium

摘要

A method is described for recording an audiovisual information stream comprising a plurality of alternative parts (VS 1 ; VS 2 ; VS 3 ) and at least one common part (AS 1 ; AS 2 ; GS 1 ; GS 2 ), wherein the alternative parts of the information stream are recorded in an interleaved manner. Each of the alternative information stream parts is divided into alternative information stream blocks (VSB 1 (i); VSB 2 (i); VSB 3 (i)). Each of the common information stream parts is divided into common information stream blocks (ASB 1 (i); ASB 2 (i); GSB 1 (i); GSB 2 (i)). The information stream is recorded as a succession of consecutive interleaved units (IU(i)), each interleaved unit comprising one corresponding block (ASB 1 (i); ASB 2 (i); GSB 1 (i); GSB 2 (i)) of each of the common information stream parts (AS 1 ; AS 2 ; GS 1 ; GS 2 ) and one corresponding block (VSBI(i); VSB 2 (i); VSB 3 (i)) of each of the alternative information stream parts (VS 1 ; VS 2 ; VS 3 ), the common information stream blocks being separate from the alternative information stream blocks.