Recording method, recording medium and recording apparatus

Details Recording method, recording medium and recording apparatus Recording method, recording medium and recording apparatus

G - Physics

11

B

G11B 20/10 (2006.01) G11B 20/12 (2006.01) G11B 27/036 (2006.01) H04N 5/92 (2006.01) G11B 20/18 (2006.01) G11B 27/034 (2006.01) H04N 5/85 (2006.01) H04N 9/804 (2006.01) H04N 9/806 (2006.01) H04N 9/888 (2006.01)

Patent

CA 2377978

When audio dubbing is implemented, error correction is performed for each ECC block. Therefore, even when one byte of data in an ECC block is rewritten, the whole ECC block to which the byte belongs needs to be read and rewritten. When audio dubbing data is scattered in ECC blocks, almost all ECC blocks, or all the data needs be rewritten in order to record audio dubbing data. By constructing ECC blocks including audio dubbing data so as not to contain original data, it is no longer necessary to read and rewrite unnecessary original data when audio dubbing data is overwritten.

Chaque bloc EEC subit un codage de correction d'erreur lors de la copie, et au cas où il faille réécrire un seul octet du bloc EEC, tout le bloc EEC contenant l'octet doit être lu et écrit. Si les données audio copiées sont réparties entre les blocs EEC, il peut s'avérer nécessaire de réécrire presque tous les blocs EEC, soit toutes les données, pour procéder à la copie des données audio. Selon l'invention, les données d'origine sont exclues des blocs EEC contenant des données copiées. Ainsi, les quantités excessives de données d'origine ne seront pas écrites lors de la ré-écriture des données copiées.

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