A data compression apparatus is described which applies a dynamically variable degree of quantisation Qs to input data so as to control blocks of output data to have a predetermined maximum size. The dynamic control can be carried out on an inter-block basis or an intra-block basis. An overflow detector is provided for inserting an overflow indicator within blocks of compressed data to indicate when overflow has occurred.
申请公布号
US5684896(A)
申请公布日期
1997.11.04
申请号
US19940263260
申请日期
1994.06.21
申请人
SONY CORPORATION;SONY UNITED KINGDOM LIMITED
发明人
STONE, JONATHAN JAMES;BHANDARI, RAJAN;LUDGATE, MICHAEL JOHN;HURLEY, TERENCE RALPH