BRPI0809940A2 - Dispositivo de codificação e método de codificação - Google Patents
Dispositivo de codificação e método de codificaçãoInfo
- Publication number
- BRPI0809940A2 BRPI0809940A2 BRPI0809940-5A2A BRPI0809940A BRPI0809940A2 BR PI0809940 A2 BRPI0809940 A2 BR PI0809940A2 BR PI0809940 A BRPI0809940 A BR PI0809940A BR PI0809940 A2 BRPI0809940 A2 BR PI0809940A2
- Authority
- BR
- Brazil
- Prior art keywords
- icp
- residual signal
- encoding
- executes
- unit
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 abstract 4
- 238000013139 quantization Methods 0.000 abstract 1
Classifications
-
- 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
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007092751 | 2007-03-30 | ||
| PCT/JP2008/000808 WO2008126382A1 (ja) | 2007-03-30 | 2008-03-28 | 符号化装置および符号化方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0809940A2 true BRPI0809940A2 (pt) | 2014-10-07 |
Family
ID=39863542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0809940-5A2A BRPI0809940A2 (pt) | 2007-03-30 | 2008-03-28 | Dispositivo de codificação e método de codificação |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8983830B2 (pt) |
| EP (1) | EP2133872B1 (pt) |
| JP (1) | JP5355387B2 (pt) |
| AT (1) | ATE547786T1 (pt) |
| BR (1) | BRPI0809940A2 (pt) |
| WO (1) | WO2008126382A1 (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008126382A1 (ja) * | 2007-03-30 | 2008-10-23 | Panasonic Corporation | 符号化装置および符号化方法 |
| JP5425066B2 (ja) * | 2008-06-19 | 2014-02-26 | パナソニック株式会社 | 量子化装置、符号化装置およびこれらの方法 |
| US9111527B2 (en) * | 2009-05-20 | 2015-08-18 | Panasonic Intellectual Property Corporation Of America | Encoding device, decoding device, and methods therefor |
| WO2012025431A2 (en) * | 2010-08-24 | 2012-03-01 | Dolby International Ab | Concealment of intermittent mono reception of fm stereo radio receivers |
| CN102208188B (zh) | 2011-07-13 | 2013-04-17 | 华为技术有限公司 | 音频信号编解码方法和设备 |
| CN102522092B (zh) * | 2011-12-16 | 2013-06-19 | 大连理工大学 | 一种基于g．711．1的语音带宽扩展的装置和方法 |
| US10217468B2 (en) * | 2017-01-19 | 2019-02-26 | Qualcomm Incorporated | Coding of multiple audio signals |
| ES2911515T3 (es) * | 2017-04-10 | 2022-05-19 | Nokia Technologies Oy | Codificación de audio |
| US10431231B2 (en) * | 2017-06-29 | 2019-10-01 | Qualcomm Incorporated | High-band residual prediction with time-domain inter-channel bandwidth extension |
| CN115346540B (zh) * | 2022-08-18 | 2025-02-14 | 北京百瑞互联技术股份有限公司 | 一种联合立体声音频编解码方法及装置 |
Family Cites Families (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3276651D1 (en) * | 1982-11-26 | 1987-07-30 | Ibm | Speech signal coding method and apparatus |
| US5172415A (en) * | 1990-06-08 | 1992-12-15 | Fosgate James W | Surround processor |
| DE4320990B4 (de) | 1993-06-05 | 2004-04-29 | Robert Bosch Gmbh | Verfahren zur Redundanzreduktion |
| JPH0787033A (ja) | 1993-09-17 | 1995-03-31 | Sharp Corp | ステレオ音声信号符号化装置 |
| EP0688113A2 (en) | 1994-06-13 | 1995-12-20 | Sony Corporation | Method and apparatus for encoding and decoding digital audio signals and apparatus for recording digital audio |
| JP3397001B2 (ja) * | 1994-06-13 | 2003-04-14 | ソニー株式会社 | 符号化方法及び装置、復号化装置、並びに記録媒体 |
| EP0820624A1 (en) * | 1995-04-10 | 1998-01-28 | Corporate Computer Systems, Inc. | System for compression and decompression of audio signals for digital transmission |
| US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
| US5812971A (en) | 1996-03-22 | 1998-09-22 | Lucent Technologies Inc. | Enhanced joint stereo coding method using temporal envelope shaping |
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| DE19730130C2 (de) * | 1997-07-14 | 2002-02-28 | Fraunhofer Ges Forschung | Verfahren zum Codieren eines Audiosignals |
| US6311153B1 (en) * | 1997-10-03 | 2001-10-30 | Matsushita Electric Industrial Co., Ltd. | Speech recognition method and apparatus using frequency warping of linear prediction coefficients |
| GB9811019D0 (en) * | 1998-05-21 | 1998-07-22 | Univ Surrey | Speech coders |
| SE519552C2 (sv) | 1998-09-30 | 2003-03-11 | Ericsson Telefon Ab L M | Flerkanalig signalkodning och -avkodning |
| FR2791167B1 (fr) * | 1999-03-17 | 2003-01-10 | Matra Nortel Communications | Procedes de codage, de decodage et de transcodage audio |
| US6446037B1 (en) * | 1999-08-09 | 2002-09-03 | Dolby Laboratories Licensing Corporation | Scalable coding method for high quality audio |
| JP2002052798A (ja) | 2000-08-08 | 2002-02-19 | Riso Kagaku Corp | 孔版印刷装置 |
| US6937978B2 (en) * | 2001-10-30 | 2005-08-30 | Chungwa Telecom Co., Ltd. | Suppression system of background noise of speech signals and the method thereof |
| ES2403178T3 (es) * | 2002-04-10 | 2013-05-16 | Koninklijke Philips Electronics N.V. | Codificación de señales estéreo |
| US7191136B2 (en) * | 2002-10-01 | 2007-03-13 | Ibiquity Digital Corporation | Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband |
| US7809579B2 (en) * | 2003-12-19 | 2010-10-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Fidelity-optimized variable frame length encoding |
| US20050159942A1 (en) * | 2004-01-15 | 2005-07-21 | Manoj Singhal | Classification of speech and music using linear predictive coding coefficients |
| DE102004009954B4 (de) * | 2004-03-01 | 2005-12-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals |
| US8204261B2 (en) * | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
| SE0402651D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods for interpolation and parameter signalling |
| EP1852689A1 (en) | 2005-01-26 | 2007-11-07 | Matsushita Electric Industrial Co., Ltd. | Voice encoding device, and voice encoding method |
| JP4809370B2 (ja) * | 2005-02-23 | 2011-11-09 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | マルチチャネル音声符号化における適応ビット割り当て |
| US9626973B2 (en) * | 2005-02-23 | 2017-04-18 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive bit allocation for multi-channel audio encoding |
| JP4887288B2 (ja) | 2005-03-25 | 2012-02-29 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
| JP4850827B2 (ja) | 2005-04-28 | 2012-01-11 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
| WO2006118179A1 (ja) | 2005-04-28 | 2006-11-09 | Matsushita Electric Industrial Co., Ltd. | 音声符号化装置および音声符号化方法 |
| US20070055510A1 (en) * | 2005-07-19 | 2007-03-08 | Johannes Hilpert | Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding |
| JP5111376B2 (ja) * | 2005-08-30 | 2013-01-09 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号をエンコーディング及びデコーディングするための装置とその方法 |
| US7523602B2 (en) | 2005-09-27 | 2009-04-28 | United Technologies Corporation | Turbine exhaust catalyst |
| WO2007052612A1 (ja) * | 2005-10-31 | 2007-05-10 | Matsushita Electric Industrial Co., Ltd. | ステレオ符号化装置およびステレオ信号予測方法 |
| KR20080094775A (ko) * | 2006-02-07 | 2008-10-24 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
| EP1990800B1 (en) | 2006-03-17 | 2016-11-16 | Panasonic Intellectual Property Management Co., Ltd. | Scalable encoding device and scalable encoding method |
| WO2008126382A1 (ja) * | 2007-03-30 | 2008-10-23 | Panasonic Corporation | 符号化装置および符号化方法 |
-
2008
- 2008-03-28 WO PCT/JP2008/000808 patent/WO2008126382A1/ja active Application Filing
- 2008-03-28 EP EP08720675A patent/EP2133872B1/en not_active Not-in-force
- 2008-03-28 AT AT08720675T patent/ATE547786T1/de active
- 2008-03-28 US US12/593,033 patent/US8983830B2/en not_active Expired - Fee Related
- 2008-03-28 JP JP2009508902A patent/JP5355387B2/ja not_active Expired - Fee Related
- 2008-03-28 BR BRPI0809940-5A2A patent/BRPI0809940A2/pt not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| ATE547786T1 (de) | 2012-03-15 |
| EP2133872B1 (en) | 2012-02-29 |
| EP2133872A1 (en) | 2009-12-16 |
| JPWO2008126382A1 (ja) | 2010-07-22 |
| WO2008126382A1 (ja) | 2008-10-23 |
| EP2133872A4 (en) | 2010-12-22 |
| US8983830B2 (en) | 2015-03-17 |
| JP5355387B2 (ja) | 2013-11-27 |
| US20100106493A1 (en) | 2010-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B25A | Requested transfer of rights approved |
Owner name: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AME |
|
| B25A | Requested transfer of rights approved |
Owner name: III HOLDINGS 12, LLC (US) |
|
| 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] | ||
| B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |