发明名称 METHOD AND APPARATUS FOR MODIFYING ENCODED DIGITAL VIDEO FOR IMPROVED CHANNEL UTILIZATION
摘要 <p>A method for increasing channel utilization for a data channel transmitting a multiplex of a set of one or more encoded program streams, each program stream being decodeable by a corresponding decoder, each corresponding decoder including a corresponding decoder buffer, the decoder buffers having a maximum allowable size, the method comprising selecting encoded pictures to be modified, said selecting according to a criterion which includes preventing any underflow of any decoder buffer, modifying each said selected encoded picture to form a corresponding modified encoded picture, said modified encoded picture having less data than said selected encoded picture, and transmitting the corresponding modified encoded pictures through the channel in place of the selected encoded pictures.</p>
申请公布号 CA2237761(A1) 申请公布日期 1997.05.29
申请号 CA19962237761 申请日期 1996.11.08
申请人 IMEDIA CORPORATION 发明人 TOM, ADAM S.;KRAUSE, EDWARD A.;ARAZI, EFRAIM;SHEN, PAUL
分类号 H04J3/00;H04N7/26;H04N7/46;H04N21/2365;H04N21/434;(IPC1-7):H04N7/12;H04L5/00;H04N7/08 主分类号 H04J3/00
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