KR960705435A - 신호 처리 시스템(Signal processing system) - Google Patents

신호 처리 시스템(Signal processing system)

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Publication number
KR960705435A
KR960705435A KR1019960701169A KR19960701169A KR960705435A KR 960705435 A KR960705435 A KR 960705435A KR 1019960701169 A KR1019960701169 A KR 1019960701169A KR 19960701169 A KR19960701169 A KR 19960701169A KR 960705435 A KR960705435 A KR 960705435A
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time
packet
signal processing
processing system
clock
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KR1019960701169A
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English (en)
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KR100360134B1 (ko
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요하네스 루돌프 블록스 헨리쿠스
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요트.게.아. 롤페즈
필립스 일렉트로닉스 엔.브이.
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40052High-speed IEEE 1394 serial bus
    • H04L12/40058Isochronous transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/24Time-division multiplex systems in which the allocation is indicated by an address the different channels being transmitted sequentially
    • H04J3/247ATM or packet multiplexing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40052High-speed IEEE 1394 serial bus
    • H04L12/40117Interconnection of audio or video/imaging devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/4104Peripherals receiving signals from specially adapted client devices
    • H04N21/4135Peripherals receiving signals from specially adapted client devices external recorder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/4302Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4305Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/4302Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • H04N21/43072Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/434Disassembling 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
    • H04N21/4342Demultiplexing isochronously with video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43632Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6432Topology
    • H04L2012/6435Bus
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6445Admission control
    • H04L2012/6456Channel and bandwidth allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6483Video, e.g. MPEG
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6489Buffer Management, Threshold setting, Scheduling, Shaping

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Communication Control (AREA)

Abstract

신호처리 시스템은 시간 슬롯 할당 프로토콜에 따라 동작가능한 버스를 통해 목적지에 연결된 소오스 장치를 포함한다. 소오스 장치는 버스를 통해 목적지 장치에 각각 시간 스탬프를 구비하는 일련의 패킷을 공급하도록 배치된다. 목적지 장치는 클럭을 구비하고 패킷을 수신하며 클럭의 시간값이 특정 패킷의 시간 스탬프에 대응할 때를 검출하고 그 결과 그 특정 패킷으로부터의 데이터를 시간 슬롯할당 프로토콜에 따라 동작가능한 출력부에 제공하도록 배치된다. 소오스 장치는 패킷 중 하나 이상의 제1부분과 제2부분을 상이한 시간 값이 패킷중 하나 이상에서의 시간 스탬프에 대응할 때를 검출함과 함께 제1부분 및 제2부분으로부터의 데이터를 제공하도록 배치된다.

Description

신호 처리 시스템(Signal processing system)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도는 본 발명에 따른 다른 개선된 신호 처리 시스템을 도시한다,
제5도는 제4도의 시스템에 사용되는 소오스 장치를 위한 아키텍쳐를 도시한다,
제6도는 인터페이스 유닛에 의한 전송용 데이터 패킷의 포맷을 도시한다.

Claims (7)

  1. 목적지 장치에 연결된 소오스 장치를 구비하고, 소오스 장치는 목적지 장치에 각각 시간 스탬프를 구비하는 일련의 패킷을 공급하며, 목적지 장치는 클럭을 구비하고 패킷을 수신하며 클럭의 시간값이 특정 패킷의 시간 스탬프에 대응할 때를 검출하고 그 결과 그 특정 패킷으로부터의 데이터를 출력부에 제공하도록 배치되는 신호처리 시스템에 있어서, 시간 슬롯 할당 프로토콜에 따라 동작 가능한 버스를 구비하고, 소오스 장치는 버스를 통해 목적지 장치로 패킷을 공급하고 패킷 중 하나 이상의 제1부분과 제2부분을 상이한 시간 슬롯에 공급하도록 배치되며, 목적지 장치는 클럭의 시간값이 패킷 중 하나 이상에서의 시간 스탬프에 대응할 때를 검출함과 함께 제1부분 및 제2부분으로부터의 데이터를 제공하도록 배치되는 것을 특징으로 하는 신호 처리 시스템.
  2. 제1항에 있어서, 목적지 장치는 제2부분을 공급한 후 패킷 중 목적지 장치가 제2부분을 공급하는 특정 시간 슬롯에 공급되는 적어도 다른 하나 이상의 부분을 공급하며, 패킷중 다른 하나의 특정시간 슬롯에서의 위치를 식별하기 위한 특정시간 슬롯의 특정 위치에 공급되는 식별부를 공급하도록 배치되는 것을 특징으로 하는 신호 처리 시스템.
  3. 제1항 또는 제2항에 있어서, 소오스 장치는 그 입력부에서 패킷 도래의 시작부 및 패킷 도래의 끝부에서의 클럭을 각 시간 샘플을 획득하고, 상기 시간 샘플에 관한 정보를 목적지 장치에 전송하도록 배치되며, 목적지 장치는 상기 시간 샘플간의 차이에 따라 상기 패킷을 제공하는 속도를 조정하도록 배치되는 것을 특징으로 하는 신호 처리 시스템.
  4. 제1항, 제2항 또는 제3항에 있어서, 목적지 장치는 선입선출 버퍼와 버스를 통해 선입선출 버퍼에 수신된 시간 스탬프를 저장하는 수단, 및 선입 선출 버퍼에서 선행하는 시간 스탬프가 클럭의 계수치와 정합되자마자 각 시간 스탬프를 클럭의 계수치와 비교하기 시작하는 수단을 구비하는 것을 특징으로 하는 신호 처리 시스템.
  5. 제1항, 제2항 또는 제3항에 있어서, 소오스 장치는 시간 스탬프용 선입 선출 버퍼를 구비하는 것을 특징으로 하는 신호 처리 시스템.
  6. 제1항, 제2항 또는 제3항 및 제5항 중의 어느 한 항에 따른 신호 처리 시스템용 소오스 장치.
  7. 제1항 내지 제4항 중 어느 한 항에 따른 신호처리 시스템용 목적지 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960701169A 1994-07-05 1995-06-22 신호처리시스템 KR100360134B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP94201945 1994-07-05
EP94201945.6 1994-07-05
EP94201967.0 1994-07-07
EP94201967 1994-07-07

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KR960705435A true KR960705435A (ko) 1996-10-09
KR100360134B1 KR100360134B1 (ko) 2003-02-19

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US (1) US5633871A (ko)
EP (1) EP0723732B1 (ko)
JP (1) JP3679808B2 (ko)
KR (1) KR100360134B1 (ko)
AT (1) ATE255801T1 (ko)
DE (1) DE69532228T2 (ko)
ES (1) ES2211907T3 (ko)
TW (1) TW309683B (ko)
WO (1) WO1996002098A2 (ko)

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WO1996002098A2 (en) 1996-01-25
EP0723732B1 (en) 2003-12-03
ATE255801T1 (de) 2003-12-15
JP3679808B2 (ja) 2005-08-03
DE69532228T2 (de) 2004-09-16
ES2211907T3 (es) 2004-07-16
DE69532228D1 (de) 2004-01-15
US5633871A (en) 1997-05-27
EP0723732A1 (en) 1996-07-31
TW309683B (ko) 1997-07-01
JPH09502854A (ja) 1997-03-18
WO1996002098A3 (en) 1996-02-29
KR100360134B1 (ko) 2003-02-19

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