Start code detecting apparatus for bit stream of compressed imag

Details Start code detecting apparatus for bit stream of compressed imag Start code detecting apparatus for bit stream of compressed imag

1995-12-29

1998-03-31

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348384, 348423, 348461, 348465, 370509, 370521, 375369, 377 64, H04N 7035

Patent

active

057344299

ABSTRACT:
A start code detecting apparatus for detecting a start code which indicates the start position of each layer from the bit stream of a compressed image according to the MPEG-standard is provided. The start code detecting apparatus includes two registers, a barrel shifter, a start code detector, a state machine, a code length generator and an accumulator. The start code detecting apparatus adopts the barrel shifter and the start code detector, so that the start code designating the start position of each layer can be effectively detected from the compressed bit stream.

REFERENCES:
patent: 5231486 (1993-07-01), Acampora et al.
patent: 5280349 (1994-01-01), Wang et al.
patent: 5361097 (1994-11-01), Kolczynski
patent: 5400075 (1995-03-01), Savatier
patent: 5452006 (1995-09-01), Auld
patent: 5532744 (1996-07-01), Akiwumi-Assani et al.

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