发明名称 |
DEVICE AND METHOD FOR CONTROLLING IMAGE ENCODING, ENCODING SYSTEM, TRANSMISSION SYSTEM AND BROADCAST SYSTEM |
摘要 |
The present invention employs a statistical multiplexing method to enable suitable assignment of a target code rate to each program data. A controller (3) acquires encoding difficulty (Di) of each program from each of image encoders (2i). In accordance with an equation for transforming the encoding difficulty (Di) into a bit rate, the controller (3) calculates a temporary bit rate (Tmp_Ratei). Moreover, the controller (3) causes the sum of the target bit rates (Target_Ratei) to satisfy a predetermined allowable value by correcting the temporary bit rate (Tmp_Ratei) so as to determine a final target bit rate (Target_Ratei) and inputing the final target bit rate (Target_Ratei) to each of the image encoders (2i). <IMAGE> |
申请公布号 |
EP0928115(A4) |
申请公布日期 |
2005.09.14 |
申请号 |
EP19980929789 |
申请日期 |
1998.07.01 |
申请人 |
SONY CORPORATION |
发明人 |
MIHARA, KANJI;KITAMURA, TAKUYA |
分类号 |
G06T9/00;H04N7/26;H04N7/50;H04N21/2365;H04N21/434;(IPC1-7):H04N7/58 |
主分类号 |
G06T9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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