Code quantity assignment device and method

Details Code quantity assignment device and method Code quantity assignment device and method

2005-09-06

2005-09-06

Lee, Richard (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

Reexamination Certificate

active

06940902

ABSTRACT:
A code quantity assignment apparatus used for compression encode data storing system is provided. In the apparatus, an image group code quantity assignment device assigns code quantity for every image group so that buffer occupation rate of an image group having a predetermined number of image frames included in a video signal is within the range of predetermined upper limit and lower limit of the rate. Then, a first frame code quantity assignment device assigns code quantity to an initial frame so that the buffer occupation rate of the initial frame within the image group does not exceed the predetermined upper limit of the rate. Further, a second frame code quantity assignment device assigns code quantity to a frame later than the initial frame within the image group, based on the code quantity assigned by the image group code quantity assignment device and first frame code quantity assignment device.

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patent: 6509929 (2003-01-01), Ishikawa
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