Title:
信号符号化方法
Document Type and Number:
Japanese Patent JP4907039
Kind Code:
B2
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.
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Inventors:
Olivier Stefano
Coppola Giuseppe
Coppola Giuseppe
Application Number:
JP2002513105A
Publication Date:
March 28, 2012
Filing Date:
July 05, 2001
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
H03M13/35; H04N7/26
Domestic Patent References:
JP3296353A | ||||
JP11317675A |
Foreign References:
WO2000041315A1 | ||||
EP1303918B1 |
Other References:
J.Hagenauer & T.Stockhammer,Channel Coding and Transmission Aspect for Wireless Multimedia,Proceedings of the IEEE,米国,IEEE,1999年10月,Vol.87 No.10,pp.1764-1777
鈴木 敬 外1名,MPEG-4システムレイヤ多重化方式における伝送誤り特性の検討,電子情報通信学会技術研究報告,1996年11月14日,Vol.96, No.354,pp.1-8,RCS96-99
鈴木 敬 外1名,MPEG-4システムレイヤ多重化方式における伝送誤り特性の検討,電子情報通信学会技術研究報告,1996年11月14日,Vol.96, No.354,pp.1-8,RCS96-99
Attorney, Agent or Firm:
Susumu Tsugaru
Akihiko Miyazaki
Akihiko Miyazaki