DE69228641D1 - Kodierer und dekodierer - Google Patents

Kodierer und dekodierer

Info

Publication number
DE69228641D1
DE69228641D1 DE69228641T DE69228641T DE69228641D1 DE 69228641 D1 DE69228641 D1 DE 69228641D1 DE 69228641 T DE69228641 T DE 69228641T DE 69228641 T DE69228641 T DE 69228641T DE 69228641 D1 DE69228641 D1 DE 69228641D1
Authority
DE
Germany
Prior art keywords
decoder
encoder
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 - Lifetime
Application number
DE69228641T
Other languages
English (en)
Other versions
DE69228641T2 (de
Inventor
Hidetoshi Mishima
Takashi Itow
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27293654&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69228641(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP4948392A external-priority patent/JPH05252055A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69228641D1 publication Critical patent/DE69228641D1/de
Application granted granted Critical
Publication of DE69228641T2 publication Critical patent/DE69228641T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/112Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/15Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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 picture, frame or field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/184Methods 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 bits, e.g. of the compressed video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/527Global motion vector estimation
    • 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
    • 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
    • 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
    • H04N19/62Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding by frequency transforming in three dimensions
    • 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
    • H04N19/63Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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
    • H04N19/649Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding the transform being applied to non rectangular image segments
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • 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
    • 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
    • H04N21/435Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • 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
    • H04N21/438Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4382Demodulation or channel decoding, e.g. QPSK demodulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/92Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H04N5/9264Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/93Regeneration of the television signal or of selected parts thereof
    • H04N5/94Signal drop-out compensation
    • H04N5/945Signal drop-out compensation for signals recorded by pulse code modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/24Systems for the transmission of television signals using pulse code modulation
    • H04N7/52Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H04N9/8047Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction using transform coding
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/12Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1288Formatting by padding empty spaces with dummy data, e.g. writing zeroes or random data when de-icing optical discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/25Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537Optical discs
    • G11B2220/2562DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/46Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/65Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/78Television signal recording using magnetic recording
    • H04N5/782Television signal recording using magnetic recording on tape
    • H04N5/7824Television signal recording using magnetic recording on tape with rotating magnetic heads
    • H04N5/7826Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape
    • H04N5/78263Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape for recording on tracks inclined relative to the direction of movement of the tape
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/78Television signal recording using magnetic recording
    • H04N5/782Television signal recording using magnetic recording on tape
    • H04N5/783Adaptations for reproducing at a rate different from the recording rate
DE1992628641 1991-04-10 1992-04-07 Kodierer und dekodierer Expired - Lifetime DE69228641T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7768691 1991-04-10
JP4948392A JPH05252055A (ja) 1992-03-06 1992-03-06 符号化装置および復号化装置
JP5146692 1992-03-10
PCT/JP1992/000432 WO1992019074A1 (en) 1991-04-10 1992-04-07 Encoder and decoder

Publications (2)

Publication Number Publication Date
DE69228641D1 true DE69228641D1 (de) 1999-04-22
DE69228641T2 DE69228641T2 (de) 1999-10-07

Family

ID=27293654

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1992628641 Expired - Lifetime DE69228641T2 (de) 1991-04-10 1992-04-07 Kodierer und dekodierer
DE1992633530 Expired - Lifetime DE69233530T2 (de) 1991-04-10 1992-04-07 Kodierer und Dekodierer

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1992633530 Expired - Lifetime DE69233530T2 (de) 1991-04-10 1992-04-07 Kodierer und Dekodierer

Country Status (7)

Country Link
US (4) US5488418A (de)
EP (7) EP1331825A3 (de)
JP (1) JP3215952B2 (de)
DE (2) DE69228641T2 (de)
HK (1) HK1002228A1 (de)
SG (2) SG65702A1 (de)
WO (1) WO1992019074A1 (de)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5386212A (en) * 1992-11-19 1995-01-31 General Instrument Corporation Double buffer scheme for variable length decoder
KR950010337B1 (ko) * 1993-05-18 1995-09-14 엘지전자주식회사 디지탈 브이씨알의 배속영상 구현방법 및 그 장치
DE69426280T2 (de) * 1993-06-03 2001-03-29 Matsushita Electric Ind Co Ltd Gerät zur Wiedergabe von Bildern und Gerät zur Dekodierung von Bildern
KR950024594A (ko) * 1994-01-28 1995-08-21 모리시타 요이찌 가변길이부호복호회로
CA2163178C (en) * 1994-11-18 1999-11-16 Norio Suzuki Tv signal codec with amplitude limitation and a shift
JP3518700B2 (ja) * 1995-01-25 2004-04-12 ソニー株式会社 デイジタル信号復号装置
US20010002851A1 (en) * 1995-04-14 2001-06-07 Takao Shimada Multimedia data processing system in network
US6415398B1 (en) * 1995-09-29 2002-07-02 Kabushiki Kaisha Toshiba Coding system and decoding system
US5796412A (en) * 1996-09-06 1998-08-18 Samsung Electronics Co., Ltd. Image data storing method and processing apparatus thereof
US5941936A (en) * 1996-10-31 1999-08-24 Taylor Group Of Companies, Inc. One-bit run-length encoding and playback system
US7031391B1 (en) 1997-02-18 2006-04-18 Harris Corporation Narrowband video codec
US5910827A (en) * 1997-02-26 1999-06-08 Kwan; Katherine W. Video signal decoding arrangement and method for improved error concealment
US5963260A (en) * 1997-03-18 1999-10-05 U.S. Philips Electronics North America Corporation Macroblock-level partitioned HDTV video decoder and related method
JP3053781B2 (ja) * 1997-03-18 2000-06-19 沖電気工業株式会社 動画像圧縮符号の復号方法及び復号装置
US6404813B1 (en) * 1997-03-27 2002-06-11 At&T Corp. Bidirectionally predicted pictures or video object planes for efficient and flexible video coding
US6233356B1 (en) 1997-07-08 2001-05-15 At&T Corp. Generalized scalability for video coder based on video objects
US6993201B1 (en) 1997-07-08 2006-01-31 At&T Corp. Generalized scalability for video coder based on video objects
US5956429A (en) * 1997-07-31 1999-09-21 Sony Corporation Image data compression and decompression using both a fixed length code field and a variable length code field to allow partial reconstruction
JP3884172B2 (ja) * 1997-10-02 2007-02-21 株式会社東芝 可変長復号化装置および復号化方法
JPH11122401A (ja) * 1997-10-17 1999-04-30 Noritsu Koki Co Ltd 音声コード付き写真作成装置
JP3472691B2 (ja) * 1997-11-26 2003-12-02 富士通株式会社 バーコード読取装置及びバーコード読取方法
JP4526705B2 (ja) * 1998-03-19 2010-08-18 富士通株式会社 波長分散等化方法と装置
US6067122A (en) * 1998-04-23 2000-05-23 Intel Corporation Host-based anti-ghosting of teletext data based on non-oversampled data
US6591398B1 (en) * 1999-02-12 2003-07-08 Sony Corporation Multiple processing system
FI106758B (fi) * 1999-04-16 2001-03-30 Nokia Networks Oy Segmentointimekanismi lohkoenkooderia varten
US6563879B1 (en) * 1999-05-17 2003-05-13 Lucent Technologies Inc. Method and apparatus for enabling transmission of variable length encoded data in a low signal to noise ratio environment
US6580683B1 (en) 1999-06-23 2003-06-17 Dataplay, Inc. Optical recording medium having a master data area and a writeable data area
US6539517B1 (en) 1999-11-09 2003-03-25 Sony Corporation Data transformation for explicit transmission of control information
US7286724B2 (en) * 1999-12-06 2007-10-23 Hyundai Curitel, Inc. Method and apparatus for searching, browsing and summarizing moving image data using fidelity for tree-structure moving image hierarchy
US7116372B2 (en) * 2000-10-20 2006-10-03 Matsushita Electric Industrial Co., Ltd. Method and apparatus for deinterlacing
JP3415126B2 (ja) 2001-09-04 2003-06-09 三菱電機株式会社 可変長符号多重化装置、可変長符号分離装置、可変長符号多重化方法及び可変長符号分離方法
WO2003032296A1 (fr) * 2001-10-03 2003-04-17 Sony Corporation Appareil et procede de codage, appareil et procede de decodage et appareil et procede d'enregistrement de support d'enregistrement
EP1308931A1 (de) * 2001-10-23 2003-05-07 Deutsche Thomson-Brandt Gmbh Decodierung eines codierten digitalen Audio-Signals welches in Header enthaltende Rahmen angeordnet ist
US20030118097A1 (en) * 2001-12-21 2003-06-26 Koninklijke Philips Electronics N.V. System for realization of complexity scalability in a layered video coding framework
JP2003199019A (ja) * 2001-12-26 2003-07-11 Sony Corp 撮像装置および方法、記録媒体、並びにプログラム
US7054367B2 (en) * 2001-12-31 2006-05-30 Emc Corporation Edge detection based on variable-length codes of block coded video
AU2002239052A1 (en) * 2002-03-25 2003-10-13 Allied-Telesis, K.K. Variable/fixed length data conversion method and device
EP1539744A4 (de) 2002-07-11 2007-06-06 Vicuron Pharm Inc N-hydroxyamidderivate mit antibakterieller wirkung
US6973602B1 (en) * 2002-09-05 2005-12-06 Ciena Corporation Link and path-level error performance monitoring
US7212681B1 (en) 2003-01-15 2007-05-01 Cisco Technology, Inc. Extension of two-dimensional variable length coding for image compression
US7949047B2 (en) * 2003-03-17 2011-05-24 Qualcomm Incorporated System and method for partial intraframe encoding for wireless multimedia transmission
US7194137B2 (en) * 2003-05-16 2007-03-20 Cisco Technology, Inc. Variable length coding method and apparatus for video compression
US7548658B1 (en) * 2003-09-24 2009-06-16 Cognitech, Inc. Lossless video data compressor with very high data rate
US7889792B2 (en) * 2003-12-24 2011-02-15 Apple Inc. Method and system for video encoding using a variable number of B frames
US7986731B2 (en) * 2004-02-06 2011-07-26 Apple Inc. H.264/AVC coder incorporating rate and quality controller
US7492820B2 (en) * 2004-02-06 2009-02-17 Apple Inc. Rate control for video coder employing adaptive linear regression bits modeling
US7869503B2 (en) 2004-02-06 2011-01-11 Apple Inc. Rate and quality controller for H.264/AVC video coder and scene analyzer therefor
US7453938B2 (en) * 2004-02-06 2008-11-18 Apple Inc. Target bitrate estimator, picture activity and buffer management in rate control for video coder
US7519229B2 (en) * 2004-03-30 2009-04-14 Apple, Inc. Video coding system providing separate coding chains for dynamically selected small-size or full-size playback
US7739577B2 (en) * 2004-06-03 2010-06-15 Inphase Technologies Data protection system
US7499596B2 (en) 2004-08-18 2009-03-03 Cisco Technology, Inc. Amplitude coding for clustered transform coefficients
US7471841B2 (en) * 2004-06-15 2008-12-30 Cisco Technology, Inc. Adaptive breakpoint for hybrid variable length coding
US7492956B2 (en) * 2004-08-18 2009-02-17 Cisco Technology, Inc. Video coding using multi-dimensional amplitude coding and 2-D non-zero/zero cluster position coding
US7499595B2 (en) * 2004-08-18 2009-03-03 Cisco Technology, Inc. Joint amplitude and position coding for photographic image and video coding
US7471840B2 (en) * 2004-08-18 2008-12-30 Cisco Technology, Inc. Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression
US7454076B2 (en) * 2004-06-15 2008-11-18 Cisco Technology, Inc. Hybrid variable length coding method for low bit rate video coding
US7454073B2 (en) * 2004-06-15 2008-11-18 Cisco Technology, Inc. Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks
US20050286629A1 (en) * 2004-06-25 2005-12-29 Adriana Dumitras Coding of scene cuts in video sequences using non-reference frames
US7620258B2 (en) * 2004-08-18 2009-11-17 Cisco Technology, Inc. Extended amplitude coding for clustered transform coefficients
US7680349B2 (en) * 2004-08-18 2010-03-16 Cisco Technology, Inc. Variable length coding for clustered transform coefficients in video compression
US7397871B2 (en) * 2004-10-01 2008-07-08 L-3 Communications Titan Corporation Estimation of single-to-noise ratio by processing measured error vector magnitude
JP4742614B2 (ja) * 2005-02-25 2011-08-10 ソニー株式会社 データ変換装置および方法、データ逆変換装置および方法、情報処理システム、記録媒体、並びにプログラム
US7242328B1 (en) 2006-02-03 2007-07-10 Cisco Technology, Inc. Variable length coding for sparse coefficients
US8937997B2 (en) * 2006-03-16 2015-01-20 Apple Inc. Scalable video coding/multiplexing compatible with non-scalable decoders
US7456760B2 (en) * 2006-09-11 2008-11-25 Apple Inc. Complexity-aware encoding
JP5134001B2 (ja) * 2006-10-18 2013-01-30 アップル インコーポレイテッド 下層のフィルタリングを備えたスケーラブルビデオ符号化
JP4996501B2 (ja) * 2007-04-06 2012-08-08 キヤノン株式会社 多次元データの符号化装置及び復号装置並びにその制御方法
US8245162B2 (en) * 2007-09-14 2012-08-14 Abrams Daniel S Write-pattern determination for maskless lithography
CN101918999B (zh) 2007-11-12 2013-11-13 尼尔森(美国)有限公司 执行音频水印嵌入以及水印检测和提取的方法和设备
US8457951B2 (en) 2008-01-29 2013-06-04 The Nielsen Company (Us), Llc Methods and apparatus for performing variable black length watermarking of media
US20090304086A1 (en) * 2008-06-06 2009-12-10 Apple Inc. Method and system for video coder and decoder joint optimization
US8976856B2 (en) 2010-09-30 2015-03-10 Apple Inc. Optimized deblocking filters
US8653454B2 (en) 2011-07-13 2014-02-18 Luminescent Technologies, Inc. Electron-beam image reconstruction
TW201314630A (zh) * 2011-09-19 2013-04-01 Tritan Technology Inc 一種可動態決定像素量化臨界值的影像均化編碼與解碼方法
CN103024371B (zh) * 2011-09-27 2015-09-02 硕呈科技股份有限公司 可动态决定像素量化临界值的影像均化编码与解码方法
US8862967B2 (en) * 2012-03-15 2014-10-14 Sandisk Technologies Inc. Statistical distribution based variable-bit error correction coding
KR102148158B1 (ko) 2013-04-23 2020-08-28 삼성전자주식회사 통신 시스템에서 패킷 송수신 방법 및 장치
JP2021157604A (ja) * 2020-03-27 2021-10-07 株式会社村田製作所 データ通信装置、データ通信モジュール
KR20220013630A (ko) * 2020-07-27 2022-02-04 삼성전자주식회사 오디오의 채널의 수를 변환하는 전자 장치 및 전자 장치의 동작 방법

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US218622A (en) * 1879-08-19 Improvement in perforating canceling-stam ps
JPS535769B2 (de) * 1972-07-20 1978-03-02
JPS5846899B2 (ja) * 1979-07-31 1983-10-19 富士通株式会社 パケット伝送方式
FR2466917A2 (fr) * 1979-09-27 1981-04-10 Telediffusion Fse Systeme de diffusion de donnees
DE3069679D1 (en) * 1980-12-08 1985-01-03 Ibm Method of transmitting information between stations attached to a unidirectional transmission ring
JPS58218255A (ja) * 1982-06-11 1983-12-19 Hitachi Ltd 符号誤り検出訂正方式
DE3513074A1 (de) * 1985-04-12 1986-10-23 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur digitalen nachrichtenuebertragung
DE3605032A1 (de) * 1986-02-18 1987-08-20 Thomson Brandt Gmbh Verfahren zur digitalen nachrichtenuebertragung
JPS62262533A (ja) * 1986-04-30 1987-11-14 ジ−メンス・アクチエンゲゼルシヤフト Dpcm値伝送方法
IT1197948B (it) * 1986-11-04 1988-12-21 Telettra Lab Telefon Codice a lunghezza variabile e dispositivi per trasmissione ad alta frequenza
JPS63260271A (ja) * 1987-04-17 1988-10-27 Toppan Printing Co Ltd 画像デ−タ圧縮装置
US4856003A (en) * 1987-05-07 1989-08-08 Digital Equipment Corporation Error correction code encoder
JPH01141483A (ja) * 1987-11-27 1989-06-02 Matsushita Electric Ind Co Ltd 画像信号の圧縮装置
FR2625638B1 (fr) * 1987-12-30 1994-06-17 Thomson Grand Public Procede de synchronisation pour la transmission, sur un canal asynchrone, d'une suite d'images codees au moyen d'un code a longueur variable, et dispositif pour la mise en oeuvre de ce procede
NL8801441A (nl) * 1988-06-06 1990-01-02 Philips Nv Inrichting voor het reproduceren van gedigitaliseerde videobeelden.
US5136391A (en) * 1988-11-02 1992-08-04 Sanyo Electric Co., Ltd. Digital video tape recorder capable of accurate image reproduction during high speed tape motion
JP2900385B2 (ja) * 1988-12-16 1999-06-02 ソニー株式会社 フレーム化回路及び方法
DE3912605B4 (de) 1989-04-17 2008-09-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
IT1230235B (it) * 1989-06-07 1991-10-18 Telettra Spa Strutturazione e trasmissione a pacchetti dell'informazione generata da codificatore per segnali video.
DE3925663A1 (de) * 1989-08-03 1991-02-07 Thomson Brandt Gmbh Digitales signalverarbeitungssystem
DE69022705T2 (de) * 1989-12-29 1996-05-23 Philips Electronics Nv System zur Kodierung/Dekodierung von digitalen Signalen zur Übertragung und/oder Speicherung.
US5150432A (en) * 1990-03-26 1992-09-22 Kabushiki Kaisha Toshiba Apparatus for encoding/decoding video signals to improve quality of a specific region
EP0453229B1 (de) * 1990-04-17 1997-06-18 Matsushita Electric Industrial Co., Ltd. Verfahren zur Übertragung von Kodes mit variabler Länge
AU8738191A (en) * 1990-10-24 1992-05-26 Deutsche Thomson-Brandt Gmbh Process, coder and decoder for data transmission and/or storage
EP0493129B1 (de) * 1990-12-28 1998-09-09 Canon Kabushiki Kaisha Verfahren und Gerät zur Bildverarbeitung
EP0495490B1 (de) * 1991-01-17 1998-05-27 Mitsubishi Denki Kabushiki Kaisha Vorrichtung zur Kodierung eines Videosignals
DE69330919T2 (de) * 1992-01-29 2002-06-20 Mitsubishi Electric Corp Vorrichtung zum Aufzeichnen von Videoinformation
US5488482A (en) * 1992-01-29 1996-01-30 Mitsubishi Denki Kabushiki Kaisha High-efficiency encoder and video information recording/reproducing apparatus
US5233348A (en) * 1992-03-26 1993-08-03 General Instrument Corporation Variable length code word decoder for use in digital communication systems

Also Published As

Publication number Publication date
EP1995962A3 (de) 2009-06-17
EP1995963A2 (de) 2008-11-26
EP1995964A3 (de) 2009-06-17
EP1330129A2 (de) 2003-07-23
DE69233530T2 (de) 2006-05-11
EP1330129A3 (de) 2006-03-15
EP1331825A2 (de) 2003-07-30
EP0533947A4 (en) 1994-11-09
HK1002228A1 (en) 1998-08-07
WO1992019074A1 (en) 1992-10-29
EP1995964A2 (de) 2008-11-26
US5793432A (en) 1998-08-11
US5488418A (en) 1996-01-30
JP3215952B2 (ja) 2001-10-09
US5990963A (en) 1999-11-23
EP0533947B1 (de) 1999-03-17
EP0869681A3 (de) 2003-07-23
EP1995962A2 (de) 2008-11-26
EP1331825A3 (de) 2005-10-19
EP0869681B1 (de) 2005-06-15
US5734430A (en) 1998-03-31
EP1995963A3 (de) 2009-06-17
SG52635A1 (en) 1998-09-28
DE69228641T2 (de) 1999-10-07
DE69233530D1 (de) 2005-07-21
SG65702A1 (en) 1999-06-22
EP0533947A1 (de) 1993-03-31
EP0869681A2 (de) 1998-10-07
EP1995964B1 (de) 2011-06-08

Similar Documents

Publication Publication Date Title
DE69228641T2 (de) Kodierer und dekodierer
DE69232824T2 (de) Dekoder
DE69324960T2 (de) Kodierung und Dekodierung
DE69225941D1 (de) Bildkodierung und/oder -dekodierung
DE69214908D1 (de) Entfeuchtungsgerät
DE59303605D1 (de) Drehgeber
DE69230637D1 (de) Beatmungsgerät
DE69312109D1 (de) Absolutkodierer
DE69416773D1 (de) Variabler Längen-Kodieren und variabler Längen-Dekodierer
DE69317499D1 (de) Absolute kodiereinrichtung
DE69214375T2 (de) Kodierer und Antriebssystem
DE69223533D1 (de) Kodierer
DE69222828D1 (de) Graphischer Dekodierer
DE69128686D1 (de) Fehlerkorrekturkoder und Dekoder
DE69312138T2 (de) Messgeber
DE69323996D1 (de) Codierer und decodierer
DE69305761D1 (de) Koder-Dekoder
DE69232362D1 (de) Videokoder und Kodierungsverfahren
DE69032674T2 (de) Bereichs- und Textkodierung
BR9205281A (pt) Pentapeptideos imuno-reguladores e neuro-reguladores
DE69301835D1 (de) Mehrkomponenten X-Paketkodierer und Dekodierer dafür
PT92290A (pt) Codificador e descodificador quadruplos
DE69334115D1 (de) CELP Kodierer und Dekodierer
SE9101696D0 (sv) Dekoder
SE9102700D0 (sv) Styrdon

Legal Events

Date Code Title Description
R071 Expiry of right

Ref document number: 533947

Country of ref document: EP