KR900013790A - 화상의 부호화 전송장치 - Google Patents

화상의 부호화 전송장치 Download PDF

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KR900013790A
KR900013790A KR1019890019014A KR890019014A KR900013790A KR 900013790 A KR900013790 A KR 900013790A KR 1019890019014 A KR1019890019014 A KR 1019890019014A KR 890019014 A KR890019014 A KR 890019014A KR 900013790 A KR900013790 A KR 900013790A
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timing
signal
motion
read
generating
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KR1019890019014A
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KR920009185B1 (ko
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고따로 아사이
도꾸미찌 무라까미
가즈히로 마쯔자끼
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시기 모리야
미쯔비시덴끼 가부시기가이샤
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Priority claimed from JP1034344A external-priority patent/JPH0828872B2/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

내용 없음

Description

화상의 부호화 전송장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시예에 의한 화상부호화 전송장치의 구성을 도시한 블록도.
제2도는 본 발명의 제1실시예에 의한 송신버퍼의 동작을 나타내기 위한 설명도.
제3도는 본 발명의 제1실시예에 의한 수신 버퍼의 동작을 나타내지 위한 설면도.

Claims (2)

  1. 디지털화 된 화상 신호 계열의 연속되는 고정길이의 구간을 가변길이의 부호어 계열로 변환한 다음에 전송하는 화상의 부호화 전송장치에 있어서, 상기 가변길이의 부호어 계열의 연속된 신호를 일정한 전송속도로 전송하기 위하여 일시적으로 축적시켜서 속도를 변환하는 송신버퍼(3), 설정가능한 일정주기의 펄스를 발생할 수 있는 규준타이밍 발생부(4), 상기 고정길이의 구간에 대응한 상기 가변길이의 부호어계열의 선두가 상기 송신버퍼에서 리드 되도록 하는 가변 주기의 타이밍을 검출해서 상기 규준타이밍 위상을 비교한 다음에 상기 비교결과에 따라서 상기 규준타이밍이 지연되는 경우에는 상기 가변길이의 부호어 계열의 선두의 리드 하고자 하는 타이밍과의 시간차를 구하고, 상기 시간차가 미리 설정된 임계 값보다 클 때 상기 송신버퍼로부터의 리드를 정지시켜서 더미 데이터를 삽입한 다음에 상기 송신버퍼에서의 리드를 재개시키는 것으로 상기 시간차를 보상하는 것 및 상기 비교결과에 따라서 상기 규준타이밍이 선행된 경우에는 상기 가변길이의 부호어 계열의 선두의 리드타이밍에서 미리 설정된 시간차의 범위 내에서 임의의 시점에서 상기 규준타이밍 발생부를 리세트해서 타이밍을 조정하는 것을 실행하는 타이밍 비교 조정부(5)를 구비하고, 전송되는 부호화 데이터의 계열을 상기 규준타이밍 발생부(4)에 의해 부여되는 규준타이밍(104)에 따라서 시계열적으로 조정하는 것을 특징으로 하는 화상의 부호화 전송장치.
  2. 디지털 화상 신호의 움직임량을 검출하는 움직임 검출부(25), 상기 디지털 화상 신호(201)에서 상기 움직임량에 따라서 생성되는 움직임 보상 프레임과 예측신호(202)를 뺀 용장 성분을 제거하는 감산기(11), 상기 감산기에 의해 얻어진 프레임과 차분신호(203)에 대해서 직교변환을 실행하는 직교변화부(21), 변환계수(204)를 양자화하는 양자화부(22b), 역 직교변환을 실행해서 복호 프레임간 차분신호를 생성하는 역 직교변환부(23), 상기 복호프레임간 차분신호(207)과 상기 움직임 보상프레임간 예측신호(202)를 가산해서 복호화상신호를 생성하는 가산기(12), 상기 복호화상신호를 일시 기억하고, 상기 움직임량에 따라서 상기 움직임 보상프레임간 예측신호를 생성하는 프레임 메모리(24)를 구비한 움직임을 보상하는 변환 부호화 장치에 있어서, 상기 움직임 검출부에 의해 검출된 움직임량과 변환계수(204)의 시퀘스의 양쪽에 대응해서 미리 설정된 양자화 특성을 선택하는 양자화부(22a)를 갖고, 변화계수(204)의 양자화를 실행하는 것을 특징으로 하는 변환부호화 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890019014A 1989-02-14 1989-12-20 화상의 부호화 전송장치 KR920009185B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP89-34345 1989-02-14
JP1-34344 1989-02-14
JP89-34344 1989-02-14
JP1034345A JPH02214282A (ja) 1989-02-14 1989-02-14 変換符号化装置
JP1-34345 1989-02-14
JP1034344A JPH0828872B2 (ja) 1989-02-14 1989-02-14 画像の符号化伝送装置

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KR900013790A true KR900013790A (ko) 1990-09-06
KR920009185B1 KR920009185B1 (ko) 1992-10-14

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US (2) US4954892A (ko)
EP (2) EP0382892B1 (ko)
KR (1) KR920009185B1 (ko)
CA (1) CA2000156C (ko)
DE (2) DE68913508T2 (ko)
HK (1) HK1008133A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970023245A (ko) * 1995-10-09 1997-05-30 이데이 노부유끼 음성복호화방법 및 장치

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2016641C (en) * 1989-05-12 1995-07-11 Toshiyuki Tanoi Adaptive interframe prediction coded video communications system
US5247357A (en) * 1989-05-31 1993-09-21 Scientific Atlanta, Inc. Image compression method and apparatus employing distortion adaptive tree search vector quantization with avoidance of transmission of redundant image data
JPH03129987A (ja) * 1989-10-14 1991-06-03 Sony Corp 映像信号符号化装置及び映像信号符号化方法
JP3093233B2 (ja) * 1990-03-16 2000-10-03 キヤノン株式会社 画像符号化装置及びその方法
US5134476A (en) * 1990-03-30 1992-07-28 At&T Bell Laboratories Video signal encoding with bit rate control
JP2723660B2 (ja) * 1990-08-06 1998-03-09 松下電器産業株式会社 直交変換装置
JP2839943B2 (ja) * 1990-08-10 1998-12-24 富士通株式会社 画像データ復元方法及び装置
US5636316A (en) * 1990-12-05 1997-06-03 Hitachi, Ltd. Picture signal digital processing unit
WO1992017032A1 (en) * 1991-03-12 1992-10-01 Zenith Electronics Corporation Television signal transmission system with two sets of channel symbols
US5285276A (en) * 1991-03-12 1994-02-08 Zenith Electronics Corp. Bi-rate high definition television signal transmission system
JPH0541862A (ja) * 1991-08-03 1993-02-19 Sony Corp 動きベクトルの可変長符号化方式
US5428396A (en) * 1991-08-03 1995-06-27 Sony Corporation Variable length coding/decoding method for motion vectors
US5418617A (en) * 1991-08-08 1995-05-23 Matsushita Electric Corporation Of America Motion compensation using minimum bits per motion block as criterion for block matching
US5251028A (en) * 1991-08-08 1993-10-05 Matsushita Electric Corporation Of America Apparatus for reducing quantization artifacts in an interframe hybrid coding system with motion compensation
US6487362B1 (en) 1991-08-19 2002-11-26 Index Systems, Inc. Enhancing operations of video tape cassette players
US6091884A (en) * 1991-08-19 2000-07-18 Index Systems, Inc. Enhancing operations of video tape cassette players
US5144424A (en) * 1991-10-15 1992-09-01 Thomson Consumer Electronics, Inc. Apparatus for video data quantization control
US5351083A (en) * 1991-10-17 1994-09-27 Sony Corporation Picture encoding and/or decoding system
JPH05115010A (ja) * 1991-10-22 1993-05-07 Canon Inc 画像復号化装置
JPH05137131A (ja) * 1991-11-13 1993-06-01 Sony Corp フレーム間動き予測方法
SE9103381L (sv) * 1991-11-15 1993-03-08 Televerket Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren
US5231485A (en) * 1991-11-19 1993-07-27 Scientific-Atlanta, Inc. Method and apparatus for transforming between fixed-rate vector quantized data and variable rate vector quantized data
US5172228A (en) * 1991-11-19 1992-12-15 Utah State University Foundation Image compression method and apparatus employing distortion adaptive tree search vector quantization
US5255090A (en) * 1991-11-19 1993-10-19 Scientific-Atlanta, Inc. Progressive transmission of vector quantized data
US5734784A (en) * 1992-03-25 1998-03-31 Kabushiki Kaisha Toshiba High data rate system and method for video recording and playback
GB2266023B (en) * 1992-03-31 1995-09-06 Sony Broadcast & Communication Motion dependent video signal processing
EP0574901A2 (en) * 1992-06-16 1993-12-22 Kabushiki Kaisha Toshiba Image signal processor
KR0134166B1 (ko) * 1992-11-24 1998-04-22 모리시타 요이찌 영상신호기록장치
US5768424A (en) * 1993-01-15 1998-06-16 Canon, Inc. Compression factor adjustment to facilitate image display
US5426463A (en) * 1993-02-22 1995-06-20 Rca Thomson Licensing Corporation Apparatus for controlling quantizing in a video signal compressor
EP0618733B1 (en) * 1993-03-29 2000-05-24 Canon Kabushiki Kaisha Code amount control method and encoding apparatus for carrying it out.
US5361097A (en) * 1993-04-02 1994-11-01 Rca Thomson Licensing Corporation Priority processing of encoded video signal including insertion of datastream null words during priority analysis intervals
US6067408A (en) * 1993-05-27 2000-05-23 Advanced Micro Devices, Inc. Full duplex buffer management and apparatus
EP0660613A4 (en) * 1993-07-12 2006-11-22 Sony Corp IMAGE SIGNAL PLAY PROCESS AND DEVICE
US5452009A (en) * 1993-12-29 1995-09-19 Zenith Electronics Corp. Digital transmission system with data rate optimized for noise in transmission medium
JP3082585B2 (ja) * 1994-09-09 2000-08-28 富士ゼロックス株式会社 画像情報符号化処理装置、画像情報復号化処理装置及び画像情報符号化復号化処理装置
US5677969A (en) * 1995-02-23 1997-10-14 Motorola, Inc. Method, rate controller, and system for preventing overflow and underflow of a decoder buffer in a video compression system
KR0171118B1 (ko) * 1995-03-20 1999-03-20 배순훈 비디오신호 부호화 장치
US5987181A (en) * 1995-10-12 1999-11-16 Sharp Kabushiki Kaisha Coding and decoding apparatus which transmits and receives tool information for constructing decoding scheme
US5877812A (en) * 1995-11-21 1999-03-02 Imedia Corporation Method and apparatus for increasing channel utilization for digital video transmission
US5956088A (en) * 1995-11-21 1999-09-21 Imedia Corporation Method and apparatus for modifying encoded digital video for improved channel utilization
US5862140A (en) * 1995-11-21 1999-01-19 Imedia Corporation Method and apparatus for multiplexing video programs for improved channel utilization
US5731837A (en) * 1996-01-25 1998-03-24 Thomson Multimedia, S.A. Quantization circuitry as for video signal compression systems
FR2753330B1 (fr) * 1996-09-06 1998-11-27 Thomson Multimedia Sa Procede de quantification pour codage video
DE19737835C2 (de) * 1997-08-29 1999-07-15 Siemens Ag Verfahren zum Komprimieren von Bildinformationen
US6389072B1 (en) 1998-12-23 2002-05-14 U.S. Philips Corp. Motion analysis based buffer regulation scheme
US6738423B1 (en) 2000-01-21 2004-05-18 Nokia Mobile Phones Ltd. Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder
US7062445B2 (en) * 2001-01-26 2006-06-13 Microsoft Corporation Quantization loop with heuristic approach
US7646816B2 (en) * 2001-09-19 2010-01-12 Microsoft Corporation Generalized reference decoder for image or video processing
US7027982B2 (en) * 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
US7065465B2 (en) * 2002-03-26 2006-06-20 Lockheed Martin Corporation Method and system for multi-sensor data fusion
JP3925311B2 (ja) * 2002-06-03 2007-06-06 ソニー株式会社 データ配信システム
US6980695B2 (en) * 2002-06-28 2005-12-27 Microsoft Corporation Rate allocation for mixed content video
US7380028B2 (en) * 2003-06-13 2008-05-27 Microsoft Corporation Robust delivery of video data
US7383180B2 (en) * 2003-07-18 2008-06-03 Microsoft Corporation Constant bitrate media encoding techniques
US7343291B2 (en) 2003-07-18 2008-03-11 Microsoft Corporation Multi-pass variable bitrate media encoding
US7609763B2 (en) 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US8582659B2 (en) 2003-09-07 2013-11-12 Microsoft Corporation Determining a decoding time stamp from buffer fullness
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7961786B2 (en) * 2003-09-07 2011-06-14 Microsoft Corporation Signaling field type information
US8107531B2 (en) * 2003-09-07 2012-01-31 Microsoft Corporation Signaling and repeat padding for skip frames
US8345754B2 (en) * 2003-09-07 2013-01-01 Microsoft Corporation Signaling buffer fullness
EP1538844A3 (en) * 2003-11-26 2006-05-31 Samsung Electronics Co., Ltd. Color image residue transformation and encoding method
KR20060042295A (ko) * 2004-11-09 2006-05-12 삼성전자주식회사 화상 데이터 부호화 및 복호화 방법 및 장치
KR100647294B1 (ko) 2004-11-09 2006-11-23 삼성전자주식회사 화상 데이터 부호화 및 복호화 방법 및 장치
US20060104356A1 (en) * 2004-11-15 2006-05-18 Microsoft Corporation Timing for decoder buffer examination
US8254455B2 (en) 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
US8325800B2 (en) 2008-05-07 2012-12-04 Microsoft Corporation Encoding streaming media as a high bit rate layer, a low bit rate layer, and one or more intermediate bit rate layers
US8379851B2 (en) 2008-05-12 2013-02-19 Microsoft Corporation Optimized client side rate control and indexed file layout for streaming media
US8370887B2 (en) 2008-05-30 2013-02-05 Microsoft Corporation Media streaming with enhanced seek operation
US8265140B2 (en) 2008-09-30 2012-09-11 Microsoft Corporation Fine-grained client-side control of scalable media delivery
US8189666B2 (en) * 2009-02-02 2012-05-29 Microsoft Corporation Local picture identifier and computation of co-located information
US8395985B2 (en) 2011-07-25 2013-03-12 Ofinno Technologies, Llc Time alignment in multicarrier OFDM network
US8526389B2 (en) 2012-01-25 2013-09-03 Ofinno Technologies, Llc Power scaling in multicarrier wireless device
US8995405B2 (en) 2012-01-25 2015-03-31 Ofinno Technologies, Llc Pathloss reference configuration in a wireless device and base station
US9237537B2 (en) 2012-01-25 2016-01-12 Ofinno Technologies, Llc Random access process in a multicarrier base station and wireless device
US11943813B2 (en) 2012-04-01 2024-03-26 Comcast Cable Communications, Llc Cell grouping for wireless communications
EP2835023B1 (en) 2012-04-01 2021-09-01 Comcast Cable Communications, LLC Cell group configuration in a wireless device and base station with timing advance groups
US20130259008A1 (en) 2012-04-01 2013-10-03 Esmael Hejazi Dinan Random Access Response Process in a Wireless Communications
US8964593B2 (en) 2012-04-16 2015-02-24 Ofinno Technologies, Llc Wireless device transmission power
US11582704B2 (en) 2012-04-16 2023-02-14 Comcast Cable Communications, Llc Signal transmission power adjustment in a wireless device
US9210664B2 (en) 2012-04-17 2015-12-08 Ofinno Technologies. LLC Preamble transmission in a wireless device
US11252679B2 (en) * 2012-04-16 2022-02-15 Comcast Cable Communications, Llc Signal transmission power adjustment in a wireless device
US8971280B2 (en) 2012-04-20 2015-03-03 Ofinno Technologies, Llc Uplink transmissions in a wireless device
WO2013158511A1 (en) 2012-04-16 2013-10-24 Dinan Esmael Hejazi Cell group configuration for uplink transmission in a multicarrier wireless device and base station with timing advance groups
US11825419B2 (en) * 2012-04-16 2023-11-21 Comcast Cable Communications, Llc Cell timing in a wireless device and base station
US9179425B2 (en) 2012-04-17 2015-11-03 Ofinno Technologies, Llc Transmit power control in multicarrier communications
US9113387B2 (en) 2012-06-20 2015-08-18 Ofinno Technologies, Llc Handover signalling in wireless networks
US11622372B2 (en) 2012-06-18 2023-04-04 Comcast Cable Communications, Llc Communication device
US11882560B2 (en) 2012-06-18 2024-01-23 Comcast Cable Communications, Llc Carrier grouping in multicarrier wireless networks
US9210619B2 (en) 2012-06-20 2015-12-08 Ofinno Technologies, Llc Signalling mechanisms for wireless device handover
US9084228B2 (en) 2012-06-20 2015-07-14 Ofinno Technologies, Llc Automobile communication device
US9179457B2 (en) 2012-06-20 2015-11-03 Ofinno Technologies, Llc Carrier configuration in wireless networks
US8971298B2 (en) 2012-06-18 2015-03-03 Ofinno Technologies, Llc Wireless device connection to an application server
US9107206B2 (en) 2012-06-18 2015-08-11 Ofinne Technologies, LLC Carrier grouping in multicarrier wireless networks

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851471B2 (ja) * 1975-04-09 1983-11-16 日本電気株式会社 テレビシンゴウフゴウカソウチ
JPS5248423A (en) * 1975-10-16 1977-04-18 Kokusai Denshin Denwa Co Ltd <Kdd> Transmission system of facsimile signal
JPS5514704A (en) * 1978-07-18 1980-02-01 Ricoh Co Ltd Data compression system
US4386373A (en) * 1980-07-18 1983-05-31 Ricoh Company, Ltd. Facsimile apparatus
JPS5992688A (ja) * 1982-11-19 1984-05-28 Fuji Photo Film Co Ltd 適応形画像圧縮方式
JPS59201578A (ja) * 1983-04-28 1984-11-15 Ricoh Co Ltd ファクシミリの伝送制御方式
JPS6146685A (ja) * 1984-08-13 1986-03-06 Nec Corp 動画像信号の予測符号化装置
JPS61107818A (ja) * 1984-10-30 1986-05-26 Nec Corp エントロピ−符号化方式とその装置
US4723161A (en) * 1985-03-20 1988-02-02 Nec Corporation Method and arrangement of coding digital image signals utilizing interframe correlation
JPS62222783A (ja) * 1986-03-24 1987-09-30 Kokusai Denshin Denwa Co Ltd <Kdd> 動画像の高能率符号化方式
JPS62230281A (ja) * 1986-03-31 1987-10-08 Toshiba Corp 画像伝送方式
EP0260721B1 (en) * 1986-09-25 1993-12-01 Nec Corporation Method and apparatus for coding motion image signal
EP0262460A3 (de) * 1986-09-30 1989-10-25 Siemens Aktiengesellschaft Anordnung zur optimierten Gewichtung uebertragener Transformationskoeffizienten bei Transformationscodierern zum Zwecke der Minimierung von Faltungsverzerrungen
US4851906A (en) * 1986-11-04 1989-07-25 Nec Corporation Data compression using orthogonal transform and vector quantization
US5028995A (en) * 1987-10-28 1991-07-02 Hitachi, Ltd. Picture signal processor, picture signal coder and picture signal interpolator
EP0330455A3 (en) * 1988-02-22 1990-07-04 Kabushiki Kaisha Toshiba Image encoding apparatus
US4972260A (en) * 1988-08-22 1990-11-20 Matsushita Electric Industrial Co., Ltd. Apparatus for coding a moving-picture signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970023245A (ko) * 1995-10-09 1997-05-30 이데이 노부유끼 음성복호화방법 및 장치

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EP0534504B1 (en) 1997-04-09
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US4954892A (en) 1990-09-04
CA2000156C (en) 1995-05-02
DE68913508T2 (de) 1994-06-09
KR920009185B1 (ko) 1992-10-14
US5111294A (en) 1992-05-05
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DE68927960T2 (de) 1997-07-17
EP0534504A3 (en) 1993-06-09

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