发明名称 |
APPARATUS AND METHODS FOR SELECTIVELY REDUCING A HUFFMAN CODING RATE |
摘要 |
Apparatus and methods are provided for generating an output signal representing a selectively reduced coding rate for use in compressing a digital signal. The digital signal includes a plurality of digital sets wherein at least one of the digital sets are non-unique. A current coding rate and a threshold coding rate compared to determine whether the current coding rate satisfies a predetermined criteria. In response to the determination, at least one of the digital sets are selectively discarded, a rate difference resulting from selectively discarding at least one of the plurality of digital sets is determined, and the current coding rate is recalculated using the determined rate difference.
|
申请公布号 |
CA2170549(A1) |
申请公布日期 |
1996.09.09 |
申请号 |
CA19962170549 |
申请日期 |
1996.02.28 |
申请人 |
AT&T IPM CORP. |
发明人 |
ROSENBERG, JONATHAN DAVID |
分类号 |
G06T9/00;H03M7/40;H04N7/26;H04N7/30;(IPC1-7):H03M7/40 |
主分类号 |
G06T9/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|