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
- 230000005236 sound signal Effects 0.000 title 1
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 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
- G10L19/02—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 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
- G10L19/0212—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
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 |
---|---|---|---|---|
CN103620674B (zh) | 2011-06-30 | 2016-02-24 | 瑞典爱立信有限公司 | 用于对音频信号的时间段进行编码和解码的变换音频编解码器和方法 |
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 |
EP3671738B1 (en) | 2013-04-05 | 2024-06-05 | Dolby International AB | Audio encoder and decoder |
MX353200B (es) * | 2014-03-14 | 2018-01-05 | Ericsson Telefon Ab L M | Método y aparato de codificación de audio. |
KR102125410B1 (ko) * | 2015-02-26 | 2020-06-22 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 타깃 시간 도메인 포락선을 사용하여 처리된 오디오 신호를 얻도록 오디오 신호를 처리하기 위한 장치 및 방법 |
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 |
EP1914722B1 (en) * | 2004-03-01 | 2009-04-29 | Dolby Laboratories Licensing Corporation | Multichannel audio decoding |
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 |
CN103282959B (zh) | 2010-10-25 | 2015-06-03 | 沃伊斯亚吉公司 | 低位速率和短延迟地编码普通音频信号 |
CN103620674B (zh) | 2011-06-30 | 2016-02-24 | 瑞典爱立信有限公司 | 用于对音频信号的时间段进行编码和解码的变换音频编解码器和方法 |
-
2011
- 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 WO PCT/SE2011/050889 patent/WO2013002696A1/en active Application Filing
- 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 |
---|---|
US20140114667A1 (en) | 2014-04-24 |
CN103620674A (zh) | 2014-03-05 |
EP2727105B1 (en) | 2015-08-12 |
US9546924B2 (en) | 2017-01-17 |
RU2014102965A (ru) | 2015-08-10 |
CN103620674B (zh) | 2016-02-24 |
WO2013002696A1 (en) | 2013-01-03 |
BR112013031816B1 (pt) | 2021-03-30 |
EP2727105A1 (en) | 2014-05-07 |
US8831959B2 (en) | 2014-09-09 |
US20130006646A1 (en) | 2013-01-03 |
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Legal Events
Date | Code | Title | Description |
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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. |