JP2009526468A - デジタル放送システムにおける放送サービス情報を受信するための方法及び装置 - Google Patents
デジタル放送システムにおける放送サービス情報を受信するための方法及び装置 Download PDFInfo
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- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/27—Arrangements for recording or accumulating broadcast information or broadcast-related information
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated
- G10K9/04—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated by compressed gases, e.g. compressed air
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
- H04H60/38—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space
- H04H60/39—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space-time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
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- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
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- H—ELECTRICITY
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- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4435—Memory management
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
101 アンテナ
103 RF(Radio Frequency)復調器
105 FFT(Fast Fourier Transform)処理器
107 シンボルデマッパ(symbol demapper)
109 シンボルデインタリーバ(symbol deinterleaver)
111 ビットデインタリーバ
113 PID検出器
115 セクション検出器
117 セクションヘッダ抽出器
119 タイムスライシング処理器(time slicing processor)
121 MPE-FECデコーダ
200 PIDフィルタ
202 制御インターフェース
204 制御器
206 パケットカウンタ
208 メモリ制御器
210 割り込み生成器
212、214 書き込み可能メモリ(第1のメモリ、第2のメモリ)
300 タイマ
302 制御器
304 割り込み生成器
306 PIDフィルタ
308 パケットカウンタ
310 メモリ制御器
Claims (21)
- デジタル放送システムにおける放送サービス情報を受信するための方法であって、
無線ネットワークを介して受信された伝送ストリーム(Transport Steream:TS)パケットからプログラム特定情報及びサービス情報(Program Specific Information/Service Information:PSI/SI)である放送サービス情報を運ぶPSI/SIパケットを検出するステップと、
前記検出されたPSI/SIパケットの数をカウントするステップと、
前記パケットカウント数が所定の数に到達すると、前記PSI/SIパケットを読み取るステップと、
を有することを特徴とする方法。 - 前記検出されたPSI/SIパケットに対する読み取りと書き込みを交互に遂行するステップをさらに有することを特徴とする請求項1に記載の方法。
- 前記パケットカウント数が前記所定のパケット数に到達すると、前記PSI/SIパケットを読み取るための割り込み信号を生成するステップをさらに有することを特徴とする請求項2に記載の方法。
- 前記検出されたPSI/SIパケットをメモリに書き込むための書き込み可能信号及び前記検出されたPSI/SIパケットを前記メモリから読み取るための読み取り可能信号を生成するステップをさらに有することを特徴とする請求項2に記載の方法。
- 前記検出されたPSI/SIパケットを読み取った場合に、前記パケットカウント数を初期値に設定するステップをさらに有することを特徴とする請求項2に記載の方法。
- 前記割り込み信号が生成された場合に、前記パケットカウント数を初期値に設定するステップをさらに有することを特徴とする請求項3に記載の方法。
- 前記PSI/SIパケットが検出された場合にタイマを起動させるステップと、
前記タイマが所定のタイマ値までカウントすると、前記パケットカウント数を0と比較するステップと、
前記パケットカウント数が0より大きいと、前記PSI/SIパケットを読み取るステップと、
を有することを特徴とする請求項1に記載の方法。 - 前記パケットカウント数が0より大きいと、前記PSI/SIパケットを読み取るための割り込み信号を生成するステップをさらに有することを特徴とする請求項7に記載の方法。
- 前記パケットカウント数が所定のパケット数と同一であると、前記PSI/SIパケットを読み取るステップをさらに有することを特徴とする請求項8に記載の方法。
- 前記PSI/SIパケットが読み取られると、前記パケットカウント数を初期値に設定するステップをさらに有することを特徴とする請求項9に記載の方法。
- 前記PSI/SIパケットに対する読み取りと書き込みを交互に遂行するステップをさらに有することを特徴とする請求項7に記載の方法。
- デジタル放送システムにおける放送サービス情報を受信するための装置であって、
受信された伝送ストリーム(Transport Steream:TS)パケットから予め定められたパケット識別子(Packet Identifier:PID)と一致するPIDを有するプログラム特定情報及びサービス情報(Program Specific Information/Service Information:PSI/SI)である放送サービス情報を運ぶPSI/SIパケットを検出するパケット識別子(PID)フィルタと、
前記検出されたPSI/SIパケットの数をカウントするパケットカウンタと、
前記伝送ストリームパケットに関してフィルタリングするためにPIDを設定し、前記パケットカウント数が所定のパケット数に到達すると、前記PSI/SIパケットを読み取る制御器と、
を含むことを特徴とする装置。 - 前記検出されたPSI/SIパケットを格納するメモリと、
前記検出されたPSI/SIパケットの読み取りと書き込みを制御するメモリ制御器と、
をさらに含むことを特徴とする請求項12に記載の装置。 - 前記メモリ制御器は、前記メモリに前記検出されたPSI/SIパケットを書き込むための書き込み可能信号及び前記メモリから前記検出されたPSI/SIパケットを読み取るための読み取り可能信号を生成することを特徴とする請求項13に記載の装置。
- 前記パケットカウント数が所定のパケット数に到達すると、前記PSI/SIパケットを読み取るための割り込み信号を前記制御器に提供する割り込み生成部をさらに含むことを特徴とする請求項14に記載の装置。
- 前記制御器は、
前記割り込み信号を受信すると、前記メモリ制御器が前記メモリに対して読み取り可能信号を生成した場合に、前記メモリから前記検出されたPSI/SIパケットを読み取ることを特徴とする請求項15に記載の装置。 - 前記メモリ制御器から前記書き込み可能信号を受信した場合に、前記PIDフィルタは前記メモリにPSI/SIパケットを書き込み、
前記メモリ制御器から前記読み取り可能信号を受信すると、前記制御器は前記メモリから前記PSI/SIパケットを読み取ることを特徴とする請求項16に記載の装置。 - 前記割り込み生成部は、前記割り込み信号を生成する場合に、前記パケットカウント数を初期値に設定することを特徴とする請求項15に記載の装置。
- 前記PSI/SIパケットが検出された場合にカウントを開始するためのタイマをさらに含むことを特徴とする請求項12に記載の装置。
- 前記制御器は、
前記タイマが所定のタイマ値までカウントされると、前記パケットカウント数を0と比較し、パケットカウント数が0より大きいと、前記PSI/SIパケットを読み取ることを特徴とする請求項19に記載の装置。 - 前記パケットカウント数が0より大きいと、前記PSI/SIパケットを読み取るための割り込み信号を生成する割り込み生成部をさらに含むことを特徴とする請求項20に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2006-0014180 | 2006-02-14 | ||
KR20060014180 | 2006-02-14 | ||
PCT/KR2007/000788 WO2007094611A1 (en) | 2006-02-14 | 2007-02-14 | Method and apparatus for receiving broadcastng service information in a digital broadcasting system |
Publications (2)
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JP2009526468A true JP2009526468A (ja) | 2009-07-16 |
JP5024836B2 JP5024836B2 (ja) | 2012-09-12 |
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US (1) | US8351410B2 (ja) |
EP (1) | EP1819074A3 (ja) |
JP (1) | JP5024836B2 (ja) |
KR (1) | KR101381476B1 (ja) |
CN (1) | CN101385339B (ja) |
WO (1) | WO2007094611A1 (ja) |
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JP2006164378A (ja) * | 2004-12-06 | 2006-06-22 | Toshiba Corp | 情報記録媒体、情報記録方法、情報再生方法、情報記録装置、情報再生装置 |
ATE453261T1 (de) * | 2005-01-18 | 2010-01-15 | Taiwan Semiconductor Mfg | Verbesserte ip-datagramm-entkapselung |
US8230293B2 (en) * | 2005-06-29 | 2012-07-24 | Nokia Corporation | Forward error correction |
-
2007
- 2007-02-13 KR KR1020070015054A patent/KR101381476B1/ko not_active IP Right Cessation
- 2007-02-14 US US11/705,996 patent/US8351410B2/en not_active Expired - Fee Related
- 2007-02-14 JP JP2008554155A patent/JP5024836B2/ja not_active Expired - Fee Related
- 2007-02-14 WO PCT/KR2007/000788 patent/WO2007094611A1/en active Application Filing
- 2007-02-14 EP EP07003155A patent/EP1819074A3/en not_active Ceased
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Patent Citations (2)
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JPH1198098A (ja) * | 1995-11-30 | 1999-04-09 | Hitachi Ltd | データ分離装置 |
JP2003308643A (ja) * | 2002-04-09 | 2003-10-31 | Toa Corp | 書き込み・読み出し可能な記憶媒体を用いた録音再生装置 |
Also Published As
Publication number | Publication date |
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CN101385339A (zh) | 2009-03-11 |
JP5024836B2 (ja) | 2012-09-12 |
KR101381476B1 (ko) | 2014-04-10 |
KR20070082040A (ko) | 2007-08-20 |
WO2007094611A1 (en) | 2007-08-23 |
US8351410B2 (en) | 2013-01-08 |
EP1819074A3 (en) | 2011-03-09 |
CN101385339B (zh) | 2010-12-15 |
US20070220584A1 (en) | 2007-09-20 |
EP1819074A2 (en) | 2007-08-15 |
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