Method and apparatus for mixing audio stream and information...

G - Physics – 11 – B

Patent

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G11B 20/10 (2006.01)

Patent

CA 2514682

A method and apparatus for mixing audio streams, and an information storage medium that stores mixing information. The information storage medium includes at least one audio stream that contains a multiplicity of audio data obtained from respective multiple channels, and mixing information used to mix at least parts of the multiplicity of audio data. Accordingly, it is possible to mix and reproduce different types of channel components without changing the channel formats of different audio streams. Furthermore, it is also possible to perform dynamic mixing on multiple channel components, thus enabling adaptation to a change in audio content and characteristics thereof and thereby reproducing audio data more appropriately. In particular, since mixing information is described in interactive data allowing an interaction with a user, it is possible to provide the user with more applications.

Procédé et dispositif servant à mélanger des séquences audio et support d'enregistrement d'informations mémorisant des informations de mélange. Ce support comprend au moins une séquence audio contenant une multiplicité de données audio obtenues à partir de canaux multiples respectifs, ainsi que les informations de mélange utilisées afin de mélanger au moins des parties de cette multiplicité de données audio. De ce fait, il est possible de mélanger et de reproduire différents types de composantes de canal sans modifier les formats des canaux de différentes séquences audio. Il est également possible d'exécuter un mélange dynamique sur des composantes de canaux multiples, ce qui permet d'effectuer une adaptation à une modification du contenu vidéo et de ses caractéristiques et, par conséquent, de reproduire les données vidéo de façon plus appropriée. En particulier, étant donné que les informations de mélange sont décrites en données interactives permettant une interaction avec l'utilisateur, il est possible de fournir à ce dernier davantage d'applications.

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