Video streaming apparatus with quantization and method thereof

Details Video streaming apparatus with quantization and method thereof Video streaming apparatus with quantization and method thereof

H - Electricity

04

N

H04N 7/26 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2737913

A streaming appliance having an internal quantizer is disclosed so that the bit rate of a streamed video can be adjusted based on the current conditions of a link between the streaming appliance and one or more target devices. In addition, a transcoder is provided that achieves lower complexity without picture quality loss wherein the transcoder may be either an open loop transcoder or a closed loop transcoder. Furtermore, a quantizer and method are disclosed.

La présente invention concerne un appareil de diffusion en continu comportant un quantificateur interne de sorte quun débit binaire de vidéo diffusée en continu puisse être ajusté en fonction des conditions courantes dun lien entre lappareil de diffusion en continu et un ou des dispositifs cibles. En outre, un transcodeur est prévu qui permet dobtenir une moindre complexité sans perte de qualité dimages, le transcodeur étant soit un transcodeur en boucle ouverte ou un transcodeur en boucle fermée. Linvention concerne également un quantificateur et un procédé.

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