TWI764409B - 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置 - Google Patents

使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置

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Publication number
TWI764409B
TWI764409B TW109142920A TW109142920A TWI764409B TW I764409 B TWI764409 B TW I764409B TW 109142920 A TW109142920 A TW 109142920A TW 109142920 A TW109142920 A TW 109142920A TW I764409 B TWI764409 B TW I764409B
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TW
Taiwan
Prior art keywords
spectral coefficients
context
quantization
probability density
spectral
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TW109142920A
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English (en)
Chinese (zh)
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TW202139608A (zh
Inventor
奧利佛 屋伯特
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瑞典商杜比國際公司
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Publication of TW202139608A publication Critical patent/TW202139608A/zh
Application granted granted Critical
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • 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
    • H04N19/169—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
    • H04N19/182—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 pixel

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW109142920A 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置 TWI764409B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09305961.6 2009-10-09
EP09305961A EP2315358A1 (en) 2009-10-09 2009-10-09 Method and device for arithmetic encoding or arithmetic decoding

Publications (2)

Publication Number Publication Date
TW202139608A TW202139608A (zh) 2021-10-16
TWI764409B true TWI764409B (zh) 2022-05-11

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TW109142920A TWI764409B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW111113393A TWI832200B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW106142795A TWI676363B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW104143481A TWI580198B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW099133448A TWI558110B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW106103307A TWI618365B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW113101959A TWI874108B (zh) 2009-10-09 2010-10-01 用以解碼譜係數之方法與設備及電腦可讀儲存媒體
TW114101520A TWI896479B (zh) 2009-10-09 2010-10-01 用以解碼譜係數之方法與設備
TW108128334A TWI714203B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置

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TW111113393A TWI832200B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW106142795A TWI676363B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW104143481A TWI580198B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW099133448A TWI558110B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW106103307A TWI618365B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置
TW113101959A TWI874108B (zh) 2009-10-09 2010-10-01 用以解碼譜係數之方法與設備及電腦可讀儲存媒體
TW114101520A TWI896479B (zh) 2009-10-09 2010-10-01 用以解碼譜係數之方法與設備
TW108128334A TWI714203B (zh) 2009-10-09 2010-10-01 使用在先譜係數以算術解碼和編碼現時譜係數之方法及裝置

Country Status (15)

Country Link
US (8) US9219498B2 (enExample)
EP (6) EP2315358A1 (enExample)
JP (1) JP5666602B2 (enExample)
KR (11) KR101709681B1 (enExample)
CN (8) CN105071815B (enExample)
AU (9) AU2010305548B2 (enExample)
BR (3) BR122019019924B1 (enExample)
CA (7) CA3121374C (enExample)
ES (4) ES2866125T3 (enExample)
MX (1) MX2012004172A (enExample)
MY (4) MY191414A (enExample)
RU (2) RU2565501C2 (enExample)
TW (9) TWI764409B (enExample)
WO (1) WO2011042366A1 (enExample)
ZA (1) ZA201201402B (enExample)

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CN106157960A (zh) * 2015-04-14 2016-11-23 杜比实验室特许公司 音频内容的自适应算术编解码
US9792259B2 (en) 2015-12-17 2017-10-17 Software Ag Systems and/or methods for interactive exploration of dependencies in streaming data
RU2611022C1 (ru) * 2016-01-28 2017-02-17 федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации Способ совместного арифметического и помехоустойчивого кодирования (варианты)
US11776562B2 (en) * 2020-05-29 2023-10-03 Qualcomm Incorporated Context-aware hardware-based voice activity detection
RU2752868C1 (ru) * 2020-08-24 2021-08-11 федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации Способ арифметического кодирования и декодирования

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EP4274101A2 (en) 2023-11-08
TW201616815A (zh) 2016-05-01
KR20190134831A (ko) 2019-12-04
KR20220025126A (ko) 2022-03-03
CN105071815A (zh) 2015-11-18
CN105099464A (zh) 2015-11-25
CN104993833B (zh) 2018-07-27
TW202025640A (zh) 2020-07-01
CA3178168A1 (en) 2011-04-14
CA3151229C (en) 2024-11-05
EP3846348B1 (en) 2021-12-29
WO2011042366A1 (en) 2011-04-14
CN104967454A (zh) 2015-10-07
KR20230145524A (ko) 2023-10-17
CN105119606A (zh) 2015-12-02
KR102051015B1 (ko) 2019-12-02
KR101782300B1 (ko) 2017-09-26
CA3178149A1 (en) 2011-04-14
CA3121374A1 (en) 2011-04-14
EP4274101A3 (en) 2024-01-24
ES2866125T3 (es) 2021-10-19
TWI618365B (zh) 2018-03-11
TW202446000A (zh) 2024-11-16
HK1211755A1 (en) 2016-05-27
CN105099464B (zh) 2018-06-29
US20200076450A1 (en) 2020-03-05
KR101866361B1 (ko) 2018-06-12
KR102586833B1 (ko) 2023-10-11
US20220352900A1 (en) 2022-11-03
CA2777057A1 (en) 2011-04-14
CN105119607A (zh) 2015-12-02
KR20250065439A (ko) 2025-05-12
US20120195375A1 (en) 2012-08-02
AU2010305548A1 (en) 2012-04-05
TW201728091A (zh) 2017-08-01
AU2025210848A1 (en) 2025-08-21
EP3591843B1 (en) 2021-03-03
EP3998708A1 (en) 2022-05-18
AU2017272250A1 (en) 2018-01-04
RU2015135352A3 (enExample) 2019-03-25
KR102168511B1 (ko) 2020-10-21
RU2015135352A (ru) 2015-12-10
CN105119607B (zh) 2018-10-19
CA2969949A1 (en) 2011-04-14
CA3178163A1 (en) 2011-04-14
US11770131B2 (en) 2023-09-26
AU2023226688A1 (en) 2023-09-21
CN105099463B (zh) 2018-07-10
KR20120093207A (ko) 2012-08-22
US9219498B2 (en) 2015-12-22
CA2777057C (en) 2017-07-18
BR112012006688B1 (pt) 2021-03-16
EP2486657A1 (en) 2012-08-15
AU2021277715B2 (en) 2023-06-08
US9973208B2 (en) 2018-05-15
CN105099463A (zh) 2015-11-25
KR101993820B1 (ko) 2019-06-28
KR101950253B1 (ko) 2019-02-20
HK1217825A1 (zh) 2017-01-20
TWI896479B (zh) 2025-09-01
CN104967454B (zh) 2018-07-03
CN105119606B (zh) 2018-08-31
RU2019115916A (ru) 2020-11-23
BR112012006688A2 (pt) 2016-05-10
EP3846348A1 (en) 2021-07-07
MY160033A (en) 2017-02-15
AU2015246076A1 (en) 2015-11-05
HK1217827A1 (zh) 2017-01-20
RU2012118634A (ru) 2013-11-20
HK1217826A1 (zh) 2017-01-20
CN102577133B (zh) 2015-08-26
TWI714203B (zh) 2020-12-21
TWI580198B (zh) 2017-04-21
TW202520658A (zh) 2025-05-16
EP2315358A1 (en) 2011-04-27
AU2021277715A1 (en) 2021-12-23
TW202306330A (zh) 2023-02-01
JP2013507808A (ja) 2013-03-04
US10516414B2 (en) 2019-12-24
CA3121374C (en) 2024-02-06
RU2691197C2 (ru) 2019-06-11
KR20200121916A (ko) 2020-10-26
AU2015246076B2 (en) 2018-01-04
US20210126649A1 (en) 2021-04-29
RU2019115916A3 (enExample) 2022-02-02
RU2565501C2 (ru) 2015-10-20
KR20180063385A (ko) 2018-06-11
BR122019019559B1 (pt) 2021-02-17
AU2024219410B2 (en) 2025-10-02
CA2969949C (en) 2021-07-20
US11381249B2 (en) 2022-07-05
CA3151229A1 (en) 2011-04-14
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TW201117567A (en) 2011-05-16
US12334958B2 (en) 2025-06-17
ZA201201402B (en) 2013-05-29
ES2956522T3 (es) 2023-12-22
HK1217824A1 (zh) 2017-01-20
TW202139608A (zh) 2021-10-16
US10848180B2 (en) 2020-11-24
EP3998708B1 (en) 2023-07-19
US20250293707A1 (en) 2025-09-18
BR122019019924B1 (pt) 2021-02-02
TWI874108B (zh) 2025-02-21
KR20170021896A (ko) 2017-02-28
ES2906415T3 (es) 2022-04-18
HK1211753A1 (en) 2016-05-27
ES2743152T3 (es) 2020-02-18
JP5666602B2 (ja) 2015-02-12
AU2024219410A1 (en) 2024-09-26
AU2010305548B2 (en) 2015-07-23
BR112012006688A8 (pt) 2017-12-05
MX2012004172A (es) 2012-05-29
MY198458A (en) 2023-08-30
CN104993833A (zh) 2015-10-21
AU2020203538A1 (en) 2020-06-18
US20160211864A1 (en) 2016-07-21
EP2486657B1 (en) 2019-07-24
TW201813321A (zh) 2018-04-01
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