Title:
信号符号化方法
Document Type and Number:
Japanese Patent JP2004504755
Kind Code:
A
Abstract:
The invention provides signal coding, wherein the signal is source coded to obtain a coded data stream, and source significance information (SSI) is included into the coded data stream, the source significance information (SSI) indicating desired protection rates of respective parts of the coded data stream. In this way, a channel encoder may obtain the source significance information (SSI) from the coded data stream, which is advantageous in presence of intermediate network layers. Preferably, the coded data stream comprises respective packets, the being included in respective headers associated with the respective packets, a given header indicating desired protection rates for respective parts (pin) of the associated packet. In order to provide easy detection of the source significance information (SSI), a first header (SSI1) is placed at a beginning of the coded data stream. Alternatively, the header (SSI1) is provided with an identifier.
Inventors:
Olivier Stefano
Coppola Giuseppe
Coppola Giuseppe
Application Number:
JP2002513105A
Publication Date:
February 12, 2004
Filing Date:
July 05, 2001
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
H04N7/26; H03M13/35; (IPC1-7): H03M13/35; H04N7/24
Domestic Patent References:
| JPH11317675A | 1999-11-16 | |||
| JPH03296353A | 1991-12-27 |
Foreign References:
| WO2000041315A1 | 2000-07-13 | |||
| EP1303918B1 | 2010-11-03 |
Attorney, Agent or Firm:
Susumu Tsugaru
Akihiko Miyazaki
Hiroyoshi Aoki
Akihiko Miyazaki
Hiroyoshi Aoki