BR112013031816A2 - codec de transformada de áudio e métodos para codificar e decodificar um segmento de tempo de um sinal de áudio - Google Patents
codec de transformada de áudio e métodos para codificar e decodificar um segmento de tempo de um sinal de áudioInfo
- Publication number
- BR112013031816A2 BR112013031816A2 BR112013031816A BR112013031816A BR112013031816A2 BR 112013031816 A2 BR112013031816 A2 BR 112013031816A2 BR 112013031816 A BR112013031816 A BR 112013031816A BR 112013031816 A BR112013031816 A BR 112013031816A BR 112013031816 A2 BR112013031816 A2 BR 112013031816A2
- Authority
- BR
- Brazil
- Prior art keywords
- audio
- decoding
- encoding
- methods
- time segment
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/02—Arrangements for preventing, or for compensating for, effects of inclination or acceleration of the measuring device; Zero-setting means
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/0212—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 using orthogonal transformation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/SE2011/050889 WO2013002696A1 (en) | 2011-06-30 | 2011-06-30 | Transform audio codec and methods for encoding and decoding a time segment of an audio signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112013031816A2 true BR112013031816A2 (pt) | 2016-12-13 |
| BR112013031816B1 BR112013031816B1 (pt) | 2021-03-30 |
Family
ID=47391479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112013031816-3A BR112013031816B1 (pt) | 2011-06-30 | 2011-06-30 | Método e codificador de transformada de áudio para codificar um segmento de tempo de um sinal de áudio, e método e decodificador de transformada de áudio para decodificar um segmento de tempo codificado de um sinal de áudio |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US9546924B2 (pt) |
| EP (1) | EP2727105B1 (pt) |
| CN (1) | CN103620674B (pt) |
| BR (1) | BR112013031816B1 (pt) |
| WO (1) | WO2013002696A1 (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013002696A1 (en) | 2011-06-30 | 2013-01-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Transform audio codec and methods for encoding and decoding a time segment of an audio signal |
| CN103714821A (zh) * | 2012-09-28 | 2014-04-09 | 杜比实验室特许公司 | 基于位置的混合域数据包丢失隐藏 |
| CA2997882C (en) | 2013-04-05 | 2020-06-30 | Dolby International Ab | Audio encoder and decoder |
| WO2015136078A1 (en) * | 2014-03-14 | 2015-09-17 | Telefonaktiebolaget L M Ericsson (Publ) | Audio coding method and apparatus |
| JP6668372B2 (ja) * | 2015-02-26 | 2020-03-18 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ | 目標時間領域エンベロープを用いて処理されたオーディオ信号を得るためにオーディオ信号を処理するための装置および方法 |
| US10504525B2 (en) * | 2015-10-10 | 2019-12-10 | Dolby Laboratories Licensing Corporation | Adaptive forward error correction redundant payload generation |
| 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 |
| US10580424B2 (en) | 2018-06-01 | 2020-03-03 | Qualcomm Incorporated | Perceptual audio coding as sequential decision-making problems |
| US10734006B2 (en) | 2018-06-01 | 2020-08-04 | Qualcomm Incorporated | Audio coding based on audio pattern recognition |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6735249B1 (en) * | 1999-08-11 | 2004-05-11 | Nokia Corporation | Apparatus, and associated method, for forming a compressed motion vector field utilizing predictive motion coding |
| US6728669B1 (en) | 2000-08-07 | 2004-04-27 | Lucent Technologies Inc. | Relative pulse position in celp vocoding |
| US6735339B1 (en) | 2000-10-27 | 2004-05-11 | Dolby Laboratories Licensing Corporation | Multi-stage encoding of signal components that are classified according to component value |
| ATE390683T1 (de) * | 2004-03-01 | 2008-04-15 | Dolby Lab Licensing Corp | Mehrkanalige audiocodierung |
| US7539612B2 (en) * | 2005-07-15 | 2009-05-26 | Microsoft Corporation | Coding and decoding scale factor information |
| US7242328B1 (en) * | 2006-02-03 | 2007-07-10 | Cisco Technology, Inc. | Variable length coding for sparse coefficients |
| US8712766B2 (en) * | 2006-05-16 | 2014-04-29 | Motorola Mobility Llc | Method and system for coding an information signal using closed loop adaptive bit allocation |
| US8345899B2 (en) * | 2006-05-17 | 2013-01-01 | Creative Technology Ltd | Phase-amplitude matrixed surround decoder |
| US7461106B2 (en) | 2006-09-12 | 2008-12-02 | Motorola, Inc. | Apparatus and method for low complexity combinatorial coding of signals |
| US20080243518A1 (en) * | 2006-11-16 | 2008-10-02 | Alexey Oraevsky | System And Method For Compressing And Reconstructing Audio Files |
| JP4871894B2 (ja) * | 2007-03-02 | 2012-02-08 | パナソニック株式会社 | 符号化装置、復号装置、符号化方法および復号方法 |
| US8055085B2 (en) * | 2007-07-12 | 2011-11-08 | Intellectual Ventures Fund 44 Llc | Blocking for combinatorial coding/decoding for electrical computers and digital data processing systems |
| EP2077551B1 (en) | 2008-01-04 | 2011-03-02 | Dolby Sweden AB | Audio encoder and decoder |
| US20090234642A1 (en) * | 2008-03-13 | 2009-09-17 | Motorola, Inc. | Method and Apparatus for Low Complexity Combinatorial Coding of Signals |
| US7978101B2 (en) * | 2009-10-28 | 2011-07-12 | Motorola Mobility, Inc. | Encoder and decoder using arithmetic stage to compress code space that is not fully utilized |
| US8149144B2 (en) | 2009-12-31 | 2012-04-03 | Motorola Mobility, Inc. | Hybrid arithmetic-combinatorial encoder |
| US8600737B2 (en) | 2010-06-01 | 2013-12-03 | Qualcomm Incorporated | Systems, methods, apparatus, and computer program products for wideband speech coding |
| MX351750B (es) | 2010-10-25 | 2017-09-29 | Voiceage Corp | Codificación de señales de audio genéricas a baja tasa de bits y a retardo bajo. |
| WO2013002696A1 (en) | 2011-06-30 | 2013-01-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Transform audio codec and methods for encoding and decoding a time segment of an audio signal |
-
2011
- 2011-06-30 WO PCT/SE2011/050889 patent/WO2013002696A1/en active Application Filing
- 2011-06-30 CN CN201180072006.4A patent/CN103620674B/zh active Active
- 2011-06-30 BR BR112013031816-3A patent/BR112013031816B1/pt active IP Right Grant
- 2011-06-30 EP EP11770196.1A patent/EP2727105B1/en active Active
- 2011-06-30 US US14/127,761 patent/US9546924B2/en active Active
- 2011-07-15 US US13/183,950 patent/US8831959B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103620674B (zh) | 2016-02-24 |
| RU2014102965A (ru) | 2015-08-10 |
| US8831959B2 (en) | 2014-09-09 |
| US20140114667A1 (en) | 2014-04-24 |
| US20130006646A1 (en) | 2013-01-03 |
| CN103620674A (zh) | 2014-03-05 |
| US9546924B2 (en) | 2017-01-17 |
| EP2727105B1 (en) | 2015-08-12 |
| EP2727105A1 (en) | 2014-05-07 |
| WO2013002696A1 (en) | 2013-01-03 |
| BR112013031816B1 (pt) | 2021-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/06/2011, OBSERVADAS AS CONDICOES LEGAIS. |