Method and apparatus implementing random access and...

Details Method and apparatus implementing random access and... Method and apparatus implementing random access and...

H - Electricity

04

N

H04N 5/775 (2006.01) H04N 5/783 (2006.01) H04N 5/00 (2006.01)

Patent

CA 2323539

A continuous stream of formatted digital data, such as a video segment, audio segment, or information stream, appears to be a fixed length segment under certain circumstances, defining a virtual segment within the continuous stream which moves forward in time in synchrony with the continuous stream. The virtual segment thus defined can be explored in a non-linear fashion at arbitrary playback rates. For instance, concepts such as rewind, pause, frame advance, and fast forward become meaningful even though the continuous stream never ceases.

Une suite continue de données numériques formatées, telles qu'un segment vidéo, un segment audio ou une suite d'informations apparaît comme étant un segment de longueur fixe dans certaines circonstances, définissant un segment virtuel dans la suite continue avançant dans le temps de manière synchrone avec la suite continue. Le segment virtuel ainsi défini peut être exploré de façon non linéaire à des vitesses de lecture arbitraires. Par exemple, des concepts tels que le rembobinage, la pause, l'avance de l'image et l'avance rapide prennent tout leur sens même si la suite continue ne cesse jamais.

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