Methods and systems for resizing multimedia content based on...

H - Electricity – 04 – L

Patent

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H04L 27/26 (2006.01) H04N 7/26 (2006.01)

Patent

CA 2674916

In general, this disclosure describes techniques for exchanging information between a plurality of encoder modules and a multiplex module to combine segments of data from the encoder modules with an improved overall quality. In particular, the encoder modules associate their respective segments of data with quality and rate information and send at least the quality and rate information associated with the segments of data to the multiplex module. The multiplex module analyzes the quality and rate information to determine whether the segments of data that encoder modules desire to include in the current superframe fit within the available bandwidth of a transmission channel. If the multiplex module determines the plurality of segments of data do not fit within the available bandwidth, the multiplex module selects one or more of the segments to be resized based on the quality and rate information received from the encoder modules.

L'invention concerne, de façon générale, des techniques d'échange d'informations entre une pluralité de modules codeurs et un module multiplexe, afin de combiner des segments de données provenant des modules codeurs, avec une qualité globale accrue. En particulier, les modules codeurs associent leurs segments de données respectifs à des informations de qualité et de vitesse et envoient au moins les informations de qualité et de vitesse associées aux segments de données, au module multiplexe. Le module multiplexe analyse les informations de qualité et de vitesse pour déterminer si les segments de données que les modules codeurs veulent inclure dans la supertrame actuelle peuvent s'intégrer dans la bande passante disponible d'une voie de transmission. Si le module multiplexe détermine que la pluralité de segments de données ne peut pas s'intégrer dans la bande passante disponible, le module multiplexe sélectionne au moins un segment à redimensionner, sur la base des informations de qualité et de vitesse reçues des modules codeurs.

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