MX2016016095A - Busqueda de configuracion de cuantificador de vector de la piramide. - Google Patents
Busqueda de configuracion de cuantificador de vector de la piramide.Info
- Publication number
- MX2016016095A MX2016016095A MX2016016095A MX2016016095A MX2016016095A MX 2016016095 A MX2016016095 A MX 2016016095A MX 2016016095 A MX2016016095 A MX 2016016095A MX 2016016095 A MX2016016095 A MX 2016016095A MX 2016016095 A MX2016016095 A MX 2016016095A
- Authority
- MX
- Mexico
- Prior art keywords
- loop
- vector
- search
- encoder
- inner dimension
- Prior art date
Links
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
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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
- H03M7/3082—Vector coding
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/002—Dynamic bit allocation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0013—Codebook search algorithms
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Un codificador y un método en el mismo para búsqueda de forma por cuantificador de vector de pirámide, PVQ, el PVQ tomando un vector objetivo x como entrada y derivando un vector y mediante la adición de impulsos iterativamente de la unidad en un bucle de búsqueda de dimensión interna. El método comprende, antes de entrar en un siguiente bucle de búsqueda de dimensión interna para la adición de impulsos unitarios, determinar, en base a la amplitud del impulso máximo, maxampy, de un vector y actual, si se necesita más de una palabra de bits actual longitud para representar enloopy, de una manera sin pérdidas en el próximo bucle de dimensión interna. La variable enloopy está relacionada con una energía acumulada del vector y. La modalidad de este método permite que el codificador mantenga la complejidad de la búsqueda en un nivel razonable. Por ejemplo, se permite que el codificador aplicará únicamente un aumento del bucle de precisión cuando puede ser necesaria, mediante el análisis de si el "peor escenario" en el próximo ciclo interno requeriría un bucle interno con una precisión mayor que la que se usa actualmente.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462029586P | 2014-07-28 | 2014-07-28 | |
| PCT/SE2015/050743 WO2016018185A1 (en) | 2014-07-28 | 2015-06-25 | Pyramid vector quantizer shape search |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2016016095A true MX2016016095A (es) | 2017-03-10 |
| MX357398B MX357398B (es) | 2018-07-06 |
Family
ID=53502817
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2016016095A MX357398B (es) | 2014-07-28 | 2015-06-25 | Busqueda de configuracion de cuantificador de vector de la piramide. |
| MX2018006677A MX2018006677A (es) | 2014-07-28 | 2015-06-25 | Busqueda de configuracion de cuantificador de vector de la piramide. |
| MX2021007880A MX2021007880A (es) | 2014-07-28 | 2015-06-25 | Busqueda de configuracion de cuantificador de vector de la piramide. |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2018006677A MX2018006677A (es) | 2014-07-28 | 2015-06-25 | Busqueda de configuracion de cuantificador de vector de la piramide. |
| MX2021007880A MX2021007880A (es) | 2014-07-28 | 2015-06-25 | Busqueda de configuracion de cuantificador de vector de la piramide. |
Country Status (22)
| Country | Link |
|---|---|
| US (3) | US9792922B2 (es) |
| EP (4) | EP3467825B1 (es) |
| JP (4) | JP6170575B2 (es) |
| KR (3) | KR101959156B1 (es) |
| CN (2) | CN109979470B (es) |
| AR (1) | AR101332A1 (es) |
| AU (3) | AU2015297066B2 (es) |
| CA (1) | CA2955765C (es) |
| DK (2) | DK2992529T3 (es) |
| ES (4) | ES2586712T3 (es) |
| HU (2) | HUE028802T2 (es) |
| IL (1) | IL249104A (es) |
| MX (3) | MX357398B (es) |
| MY (1) | MY177842A (es) |
| NZ (1) | NZ726879A (es) |
| PL (3) | PL3467825T3 (es) |
| PT (2) | PT2992529T (es) |
| RU (2) | RU2665898C2 (es) |
| SG (3) | SG11201609926YA (es) |
| TR (1) | TR201901612T4 (es) |
| WO (1) | WO2016018185A1 (es) |
| ZA (2) | ZA201802791B (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2015297066B2 (en) | 2014-07-28 | 2017-09-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Pyramid vector quantizer shape search |
| US10366698B2 (en) | 2016-08-30 | 2019-07-30 | Dts, Inc. | Variable length coding of indices and bit scheduling in a pyramid vector quantizer |
| WO2019028602A1 (zh) * | 2017-08-07 | 2019-02-14 | 深圳市汇顶科技股份有限公司 | 应用于超取样转换器的向量量化数模转换电路 |
| US10586546B2 (en) | 2018-04-26 | 2020-03-10 | Qualcomm Incorporated | Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding |
| US10573331B2 (en) * | 2018-05-01 | 2020-02-25 | Qualcomm Incorporated | Cooperative pyramid vector quantizers for scalable audio coding |
| US10734006B2 (en) | 2018-06-01 | 2020-08-04 | Qualcomm Incorporated | Audio coding based on audio pattern recognition |
| KR20240118076A (ko) * | 2021-12-01 | 2024-08-02 | 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 | 부호화 장치, 복호 장치, 부호화 방법, 및, 복호 방법 |
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| US6360204B1 (en) * | 1998-04-24 | 2002-03-19 | Sarnoff Corporation | Method and apparatus for implementing rounding in decoding an audio signal |
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| JP3731575B2 (ja) * | 2002-10-21 | 2006-01-05 | ソニー株式会社 | 符号化装置及び復号装置 |
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| WO2004090864A2 (en) * | 2003-03-12 | 2004-10-21 | The Indian Institute Of Technology, Bombay | Method and apparatus for the encoding and decoding of speech |
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| AU2015297066B2 (en) * | 2014-07-28 | 2017-09-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Pyramid vector quantizer shape search |
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2015
- 2015-06-25 AU AU2015297066A patent/AU2015297066B2/en active Active
- 2015-06-25 HU HUE15733942A patent/HUE028802T2/en unknown
- 2015-06-25 SG SG11201609926YA patent/SG11201609926YA/en unknown
- 2015-06-25 EP EP18206322.2A patent/EP3467825B1/en active Active
- 2015-06-25 ES ES15733942.5T patent/ES2586712T3/es active Active
- 2015-06-25 EP EP19209199.9A patent/EP3633675B1/en active Active
- 2015-06-25 SG SG10202000575WA patent/SG10202000575WA/en unknown
- 2015-06-25 DK DK15733942.5T patent/DK2992529T3/en active
- 2015-06-25 MX MX2016016095A patent/MX357398B/es active IP Right Grant
- 2015-06-25 PL PL18206322T patent/PL3467825T3/pl unknown
- 2015-06-25 EP EP16165702.8A patent/EP3065135B1/en active Active
- 2015-06-25 WO PCT/SE2015/050743 patent/WO2016018185A1/en active Application Filing
- 2015-06-25 MX MX2018006677A patent/MX2018006677A/es unknown
- 2015-06-25 CA CA2955765A patent/CA2955765C/en active Active
- 2015-06-25 RU RU2017106160A patent/RU2665898C2/ru active
- 2015-06-25 RU RU2018128976A patent/RU2762329C2/ru active
- 2015-06-25 CN CN201910135157.8A patent/CN109979470B/zh active Active
- 2015-06-25 HU HUE16165702A patent/HUE042095T2/hu unknown
- 2015-06-25 TR TR2019/01612T patent/TR201901612T4/tr unknown
- 2015-06-25 KR KR1020177023847A patent/KR101959156B1/ko active IP Right Grant
- 2015-06-25 EP EP15733942.5A patent/EP2992529B1/en active Active
- 2015-06-25 CN CN201580001475.5A patent/CN105431901B/zh active Active
- 2015-06-25 PL PL19209199T patent/PL3633675T3/pl unknown
- 2015-06-25 DK DK16165702.8T patent/DK3065135T3/en active
- 2015-06-25 MX MX2021007880A patent/MX2021007880A/es unknown
- 2015-06-25 SG SG10201704724TA patent/SG10201704724TA/en unknown
- 2015-06-25 ES ES19209199T patent/ES2874511T3/es active Active
- 2015-06-25 ES ES18206322T patent/ES2785041T3/es active Active
- 2015-06-25 MY MYPI2017700255A patent/MY177842A/en unknown
- 2015-06-25 NZ NZ726879A patent/NZ726879A/en unknown
- 2015-06-25 PT PT157339425T patent/PT2992529T/pt unknown
- 2015-06-25 US US14/759,864 patent/US9792922B2/en active Active
- 2015-06-25 JP JP2015563093A patent/JP6170575B2/ja active Active
- 2015-06-25 PT PT192091999T patent/PT3633675T/pt unknown
- 2015-06-25 KR KR1020177003688A patent/KR101777994B1/ko active IP Right Grant
- 2015-06-25 ES ES16165702T patent/ES2718049T3/es active Active
- 2015-06-25 PL PL15733942T patent/PL2992529T3/pl unknown
- 2015-06-25 KR KR1020197006859A patent/KR102034419B1/ko active IP Right Grant
- 2015-07-27 AR ARP150102382A patent/AR101332A1/es active IP Right Grant
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2016
- 2016-11-21 IL IL249104A patent/IL249104A/en active IP Right Grant
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2017
- 2017-06-30 JP JP2017129472A patent/JP6347872B2/ja active Active
- 2017-07-05 US US15/641,632 patent/US20170301359A1/en not_active Abandoned
- 2017-11-23 AU AU2017265085A patent/AU2017265085B2/en active Active
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2018
- 2018-04-26 ZA ZA2018/02791A patent/ZA201802791B/en unknown
- 2018-05-29 JP JP2018102606A patent/JP6574287B2/ja not_active Expired - Fee Related
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2019
- 2019-04-12 ZA ZA2019/02319A patent/ZA201902319B/en unknown
- 2019-06-20 AU AU2019204328A patent/AU2019204328B2/en active Active
- 2019-08-15 JP JP2019149150A patent/JP6644939B2/ja active Active
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2022
- 2022-09-07 US US17/930,141 patent/US11942102B2/en active Active
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