G - Physics – 10 – H
Patent
G - Physics
10
H
G10H 7/00 (2006.01)
Patent
CA 2324463
A method and an electronic device for obtaining clear playback sound that is faithful to the original sound, in which image data and audio data are played back under control of a CPU (504), and in accordance with the played-back audio data, a timer (501), which generates a CPU interrrupt signal, is controlled and said interrupt signal is dynamically altered. The sound data obtained in accordance with the CPU interrupt signal is emitted to a speaker (447), thereby causing the timing of the sound data and the timing of the CPU interrupt signal to agree with each other, thus reducing the burden on the CPU (504), and generating a clear playback sound from the speaker (447).
L'invention concerne un procédé et un dispositif électronique qui permettent d'obtenir un son de lecture clair reproduisant fidèlement le son original. Des données vidéo et des données audio sont lues sous le contrôle d'une UCT (504) et, conformément aux données audio lues, un temporisateur (501) générant un signal d'interruption de l'UCT est contrôlé et le signal d'interruption est modifié de manière dynamique. Les données audio obtenues par application du signal d'interruption de l'UCT sont transmises à un haut-parleur (447) pour assurer une synchronisation harmonieuse des données audio et du signal d'interruption de l'UCT (504), ce qui permet de réduire la contrainte exercée sur l'UCT et de générer un son de lecture clair depuis le haut-parleur (447).
Mbm & Co.
Sony Computer Entertainment Inc.
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