TWI618365B - 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 Download PDFInfo
- Publication number
- TWI618365B TWI618365B TW106103307A TW106103307A TWI618365B TW I618365 B TWI618365 B TW I618365B TW 106103307 A TW106103307 A TW 106103307A TW 106103307 A TW106103307 A TW 106103307A TW I618365 B TWI618365 B TW I618365B
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- Prior art keywords
- context
- previous
- spectral
- spectral coefficients
- probability density
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000003595 spectral effect Effects 0.000 claims abstract description 172
- 230000006870 function Effects 0.000 claims abstract description 60
- 238000013139 quantization Methods 0.000 claims abstract description 43
- 238000001228 spectrum Methods 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 31
- 238000013507 mapping Methods 0.000 claims description 25
- 230000005236 sound signal Effects 0.000 claims 1
- 230000008569 process Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 239000013598 vector Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 101100010889 Encephalitozoon cuniculi (strain GB-M1) MUQ1 gene Proteins 0.000 description 1
- 101100010891 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ECT1 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
Classifications
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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
Landscapes
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ??09305961.6 | 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 |
|---|---|
| TW201728091A TW201728091A (zh) | 2017-08-01 |
| TWI618365B true TWI618365B (zh) | 2018-03-11 |
Family
ID=41698446
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| TW114101520A TWI896479B (zh) | 2009-10-09 | 2010-10-01 | 用以解碼譜係數之方法與設備 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| TW114131078A TW202549282A (zh) | 2009-10-09 | 2010-10-01 | 用以解碼譜係數之方法與設備 |
Family Applications After (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| 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 |
| TW114101520A TWI896479B (zh) | 2009-10-09 | 2010-10-01 | 用以解碼譜係數之方法與設備 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| TW114131078A TW202549282A (zh) | 2009-10-09 | 2010-10-01 | 用以解碼譜係數之方法與設備 |
Country Status (15)
| Country | Link |
|---|---|
| US (9) | US9219498B2 (https=) |
| EP (7) | EP2315358A1 (https=) |
| JP (1) | JP5666602B2 (https=) |
| KR (11) | KR101866361B1 (https=) |
| CN (8) | CN105099463B (https=) |
| AU (9) | AU2010305548B2 (https=) |
| BR (3) | BR122019019924B1 (https=) |
| CA (7) | CA3178149A1 (https=) |
| ES (4) | ES2906415T3 (https=) |
| MX (1) | MX2012004172A (https=) |
| MY (4) | MY160033A (https=) |
| RU (2) | RU2691197C2 (https=) |
| TW (10) | TWI618365B (https=) |
| WO (1) | WO2011042366A1 (https=) |
| ZA (1) | ZA201201402B (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2315358A1 (en) | 2009-10-09 | 2011-04-27 | Thomson Licensing | Method and device for arithmetic encoding or arithmetic decoding |
| BR122022013454B1 (pt) * | 2009-10-20 | 2023-05-16 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados |
| AU2011206677B9 (en) | 2010-01-12 | 2014-12-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values |
| US20130112622A1 (en) † | 2010-07-14 | 2013-05-09 | Qiagen Gmbh | New liquid processing device |
| US9659063B2 (en) * | 2010-12-17 | 2017-05-23 | Software Ag | Systems and/or methods for event stream deviation detection |
| ES2989845T3 (es) * | 2014-01-15 | 2024-11-27 | Samsung Electronics Co Ltd | Dispositivo y procedimiento de determinación de función de ponderación para cuantificar el coeficiente de codificación de predicción lineal |
| 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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2009
- 2009-10-09 EP EP09305961A patent/EP2315358A1/en not_active Withdrawn
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2010
- 2010-10-01 KR KR1020177026142A patent/KR101866361B1/ko active Active
- 2010-10-01 EP EP23185352.4A patent/EP4274101B1/en active Active
- 2010-10-01 CN CN201510458538.1A patent/CN105099463B/zh active Active
- 2010-10-01 TW TW106103307A patent/TWI618365B/zh active
- 2010-10-01 MY MYPI2012000846A patent/MY160033A/en unknown
- 2010-10-01 KR KR1020197034955A patent/KR102168511B1/ko active Active
- 2010-10-01 RU RU2015135352A patent/RU2691197C2/ru active
- 2010-10-01 EP EP21213737.6A patent/EP3998708B1/en active Active
- 2010-10-01 KR KR1020197018003A patent/KR102051015B1/ko active Active
- 2010-10-01 MY MYPI2016001568A patent/MY176427A/en unknown
- 2010-10-01 CN CN201510458602.6A patent/CN104993833B/zh active Active
- 2010-10-01 KR KR1020227004028A patent/KR102586833B1/ko active Active
- 2010-10-01 CA CA3178149A patent/CA3178149A1/en active Pending
- 2010-10-01 KR KR1020187015841A patent/KR101950253B1/ko active Active
- 2010-10-01 MX MX2012004172A patent/MX2012004172A/es active IP Right Grant
- 2010-10-01 WO PCT/EP2010/064644 patent/WO2011042366A1/en not_active Ceased
- 2010-10-01 BR BR122019019924-8A patent/BR122019019924B1/pt active IP Right Grant
- 2010-10-01 ES ES21153228T patent/ES2906415T3/es active Active
- 2010-10-01 TW TW109142920A patent/TWI764409B/zh active
- 2010-10-01 TW TW106142795A patent/TWI676363B/zh active
- 2010-10-01 TW TW114101520A patent/TWI896479B/zh active
- 2010-10-01 CA CA2777057A patent/CA2777057C/en active Active
- 2010-10-01 CN CN201510458559.3A patent/CN104967454B/zh active Active
- 2010-10-01 CN CN201510458560.6A patent/CN105119606B/zh active Active
- 2010-10-01 ES ES19187816T patent/ES2866125T3/es active Active
- 2010-10-01 EP EP26152942.4A patent/EP4708703A2/en active Pending
- 2010-10-01 ES ES21213737T patent/ES2956522T3/es active Active
- 2010-10-01 MY MYPI2022003314A patent/MY198458A/en unknown
- 2010-10-01 EP EP21153228.8A patent/EP3846348B1/en active Active
- 2010-10-01 KR KR1020197004376A patent/KR101993820B1/ko active Active
- 2010-10-01 TW TW111113393A patent/TWI832200B/zh active
- 2010-10-01 ES ES10762909T patent/ES2743152T3/es active Active
- 2010-10-01 US US13/500,106 patent/US9219498B2/en active Active
- 2010-10-01 KR KR1020207029672A patent/KR102361280B1/ko active Active
- 2010-10-01 MY MYPI2020004142A patent/MY191414A/en unknown
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- 2010-10-01 JP JP2012532548A patent/JP5666602B2/ja active Active
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- 2010-10-01 KR KR1020237033869A patent/KR102804559B1/ko active Active
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- 2010-10-01 RU RU2012118634/08A patent/RU2565501C2/ru active
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| US20050117652A1 (en) * | 2002-05-02 | 2005-06-02 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method and arrangement for coding transform coefficients in picture and/or video coders and decoders and a corresponding computer program and a corresponding computer-readable storage medium |
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