DE69631852D1 - Synchronisierschaltung für ein Kompression/Expansionssystem eines digitalen Audiosignals - Google Patents

Synchronisierschaltung für ein Kompression/Expansionssystem eines digitalen Audiosignals

Info

Publication number
DE69631852D1
DE69631852D1 DE69631852T DE69631852T DE69631852D1 DE 69631852 D1 DE69631852 D1 DE 69631852D1 DE 69631852 T DE69631852 T DE 69631852T DE 69631852 T DE69631852 T DE 69631852T DE 69631852 D1 DE69631852 D1 DE 69631852D1
Authority
DE
Germany
Prior art keywords
compression
audio signal
digital audio
synchronization circuit
expansion system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69631852T
Other languages
English (en)
Other versions
DE69631852T2 (de
Inventor
Hideto Takano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Electronics Corp
Original Assignee
NEC Electronics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Electronics Corp filed Critical NEC Electronics Corp
Application granted granted Critical
Publication of DE69631852D1 publication Critical patent/DE69631852D1/de
Publication of DE69631852T2 publication Critical patent/DE69631852T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
    • 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]
    • H04N21/40—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
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
DE69631852T 1995-03-30 1996-04-01 Synchronisierschaltung für ein Kompression/Expansionssystem eines digitalen Audiosignals Expired - Fee Related DE69631852T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7280595A JP2817660B2 (ja) 1995-03-30 1995-03-30 同期回路
JP7280595 1995-03-30

Publications (2)

Publication Number Publication Date
DE69631852D1 true DE69631852D1 (de) 2004-04-22
DE69631852T2 DE69631852T2 (de) 2005-02-10

Family

ID=13499984

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69631852T Expired - Fee Related DE69631852T2 (de) 1995-03-30 1996-04-01 Synchronisierschaltung für ein Kompression/Expansionssystem eines digitalen Audiosignals

Country Status (4)

Country Link
US (1) US5668840A (de)
EP (1) EP0735709B1 (de)
JP (1) JP2817660B2 (de)
DE (1) DE69631852T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0755134A1 (de) * 1995-07-20 1997-01-22 ALCATEL BELL Naamloze Vennootschap Verfahren zur Rahmensynchronisierung
JP3322561B2 (ja) * 1996-04-12 2002-09-09 シャープ株式会社 Ｆｍ文字多重放送用受信機
US6298387B1 (en) * 1996-07-12 2001-10-02 Philips Electronics North America Corp System for detecting a data packet in a bitstream by storing data from the bitstream in a buffer and comparing data at different locations in the buffer to predetermined data
US6154468A (en) * 1996-10-24 2000-11-28 Philips Electronics North America Corporation Fast sync-byte search scheme for packet framing
US5936922A (en) * 1997-05-30 1999-08-10 Daewoo Electronics Co., Ltd. Method and apparatus for sampling a synchronous pattern from data including an error using a random synchronous signal
EP0883262A3 (de) * 1997-06-04 2003-12-17 NEC Electronics Corporation Synchronisierungssignaldetektierkreis, -Verfahren und Informationsaufzeichnungsmedium
US6081570A (en) * 1997-09-02 2000-06-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Parallel integrated frame synchronizer chip
JP3330555B2 (ja) 1999-01-28 2002-09-30 沖電気工業株式会社 同期回路
JP3811040B2 (ja) * 2001-09-28 2006-08-16 株式会社東芝 無線通信制御装置
US7006976B2 (en) * 2002-01-29 2006-02-28 Pace Micro Technology, Llp Apparatus and method for inserting data effects into a digital data stream
TW200427225A (en) * 2003-05-23 2004-12-01 Genesys Logic Inc Method of auto-tracking and compensating clock frequency and related apparatus thereof
FR2896368B1 (fr) * 2006-01-18 2008-03-14 Atmel Corp Appareil pour ameliorer l'efficacite du microprogramme pour une interface serie multitrame
US7840887B2 (en) * 2006-08-25 2010-11-23 Freescale Semiconductor, Inc. Data stream processing method and system
US8872970B2 (en) 2011-10-31 2014-10-28 Google Technology Holdings LLC System and method for transport stream sync byte detection with transport stream having multiple emulated sync bytes

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002845A (en) * 1975-03-26 1977-01-11 Digital Communications Corporation Frame synchronizer
JPH0227836A (ja) * 1988-07-18 1990-01-30 Hitachi Cable Ltd 同期伝送方式
JP2811802B2 (ja) * 1989-09-20 1998-10-15 ソニー株式会社 情報伝送装置
JP2747077B2 (ja) * 1990-02-22 1998-05-06 株式会社東芝 フレーム同期回路
JPH0748725B2 (ja) * 1990-07-25 1995-05-24 日本電気株式会社 フレーム同期回路
JP2980713B2 (ja) * 1991-03-15 1999-11-22 株式会社東芝 フレーム保護装置
US5253254A (en) * 1991-09-18 1993-10-12 Dsc Communications Corporation Telecommunications system with arbitrary alignment parallel framer
JP2630150B2 (ja) * 1992-02-06 1997-07-16 松下電器産業株式会社 符号化信号復号化装置
JPH066335A (ja) * 1992-06-17 1994-01-14 Fujitsu Ltd 高能率音声伝送の擬似同期防止方法
JP3060742B2 (ja) * 1992-08-28 2000-07-10 松下電器産業株式会社 符号化信号復号化装置
KR960001028B1 (ko) * 1993-03-17 1996-01-17 현대전자산업주식회사 고선명 텔레비젼용 디지탈 오디오 기기의 동기 신호 검출장치
JPH06350592A (ja) * 1993-06-08 1994-12-22 Matsushita Electric Ind Co Ltd 符号化信号復号化装置
JP2820105B2 (ja) * 1996-02-28 1998-11-05 日本電気株式会社 音声信号処理回路

Also Published As

Publication number Publication date
EP0735709B1 (de) 2004-03-17
DE69631852T2 (de) 2005-02-10
US5668840A (en) 1997-09-16
JP2817660B2 (ja) 1998-10-30
EP0735709A3 (de) 2000-03-22
EP0735709A2 (de) 1996-10-02
JPH08274768A (ja) 1996-10-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee