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- W1970474067 abstract "Variable bit-rate compression is known to be more efficient than constant bit-rate (CBR) compression. However, since most transmission media convey a constant bit-rate, most applications use CBR compression. In multi-program applications such as satellite and cable television a technique called joint bit-rate control can be used. With joint bit-rate control the bit rates of individual programs are allows to vary but the sum of all bit rates is kept constant. Since a joint control is involved, the encoders should be geographically close. Joint bit-rate control is considered to be different from a technique called statistical multiplexing which is proposed in combination with ATM networks. In this paper, the benefits of joint bit-rate control are studied. This study involves both a theoretical analysis and a verification with experiments. Both theory and practice indicate that joint bit-rate control gives a significant gain even for a small number of programs. For instance, extra programs can be transmitted over the same channel if joint bit-rate control is used." @default.
- W1970474067 created "2016-06-24" @default.
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- W1970474067 date "1994-09-16" @default.
- W1970474067 modified "2023-09-23" @default.
- W1970474067 title "<title>Analysis of joint bit-rate control in multiprogram image coding</title>" @default.
- W1970474067 doi "https://doi.org/10.1117/12.185947" @default.
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