CA2898923C - Doubly compatible lossless audio bandwidth extension - Google Patents
Doubly compatible lossless audio bandwidth extension Download PDFInfo
- Publication number
- CA2898923C CA2898923C CA2898923A CA2898923A CA2898923C CA 2898923 C CA2898923 C CA 2898923C CA 2898923 A CA2898923 A CA 2898923A CA 2898923 A CA2898923 A CA 2898923A CA 2898923 C CA2898923 C CA 2898923C
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- 230000006837 decompression Effects 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 9
- 238000012952 Resampling Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
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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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1806—Pulse code modulation systems for audio signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1210373.5A GB201210373D0 (en) | 2012-06-12 | 2012-06-12 | Doubly compatible lossless audio sandwidth extension |
| GB1210373.5 | 2012-06-12 | ||
| PCT/GB2013/051548 WO2013186561A2 (en) | 2012-06-12 | 2013-06-12 | Doubly compatible lossless audio bandwidth extension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2898923A1 CA2898923A1 (en) | 2013-12-19 |
| CA2898923C true CA2898923C (en) | 2021-03-16 |
Family
ID=46605804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2898923A Active CA2898923C (en) | 2012-06-12 | 2013-06-12 | Doubly compatible lossless audio bandwidth extension |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9548055B2 (enExample) |
| EP (1) | EP2859548B1 (enExample) |
| JP (1) | JP6264699B2 (enExample) |
| KR (1) | KR102202833B1 (enExample) |
| CN (1) | CN104508740B (enExample) |
| CA (1) | CA2898923C (enExample) |
| GB (3) | GB201210373D0 (enExample) |
| WO (1) | WO2013186561A2 (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2524424B (en) * | 2011-10-24 | 2016-04-27 | Graham Craven Peter | Lossless buried data |
| GB201210373D0 (en) | 2012-06-12 | 2012-07-25 | Meridian Audio Ltd | Doubly compatible lossless audio sandwidth extension |
| EP2980795A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| GB2547877B (en) | 2015-12-21 | 2019-08-14 | Graham Craven Peter | Lossless bandsplitting and bandjoining using allpass filters |
| GB2546963B (en) * | 2015-12-23 | 2020-10-21 | Law Malcolm | Transparent lossless audio watermarking enhancement |
| WO2017132366A1 (en) | 2016-01-26 | 2017-08-03 | Dolby Laboratories Licensing Corporation | Adaptive quantization |
| US12276420B2 (en) | 2016-02-03 | 2025-04-15 | Strong Force Iot Portfolio 2016, Llc | Industrial internet of things smart heating systems and methods that produce and use hydrogen fuel |
| CN106205627B (zh) * | 2016-07-14 | 2019-10-18 | 暨南大学 | 基于边信息预测和直方图平移的数字音频可逆水印算法 |
| CN106528040A (zh) * | 2016-11-02 | 2017-03-22 | 福建星网视易信息系统有限公司 | 改进安卓设备音质的方法及装置 |
| US10354668B2 (en) * | 2017-03-22 | 2019-07-16 | Immersion Networks, Inc. | System and method for processing audio data |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| US20200133254A1 (en) * | 2018-05-07 | 2020-04-30 | Strong Force Iot Portfolio 2016, Llc | Methods and systems for data collection, learning, and streaming of machine signals for part identification and operating characteristics determination using the industrial internet of things |
| CA3126601A1 (en) | 2019-01-13 | 2020-07-16 | Strong Force Iot Portfolio 2016, Llc | Methods, systems, kits and apparatuses for monitoring and managing industrial settings |
| US20210127125A1 (en) * | 2019-10-23 | 2021-04-29 | Facebook Technologies, Llc | Reducing size and power consumption for frame buffers using lossy compression |
| CN115512711B (zh) | 2021-06-22 | 2025-07-01 | 腾讯科技（深圳）有限公司 | 语音编码、语音解码方法、装置、计算机设备和存储介质 |
| CN116974453B (zh) * | 2023-09-25 | 2023-12-08 | 北京灵汐科技有限公司 | 信号处理方法、信号处理装置、信号处理器、设备及介质 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0400222A1 (en) * | 1989-06-02 | 1990-12-05 | ETAT FRANCAIS représenté par le Ministère des Postes, des Télécommunications et de l'Espace | Digital transmission system using subband coding of a digital signal |
| US5596647A (en) * | 1993-06-01 | 1997-01-21 | Matsushita Avionics Development Corporation | Integrated video and audio signal distribution system and method for use on commercial aircraft and other vehicles |
| JP3312538B2 (ja) * | 1995-08-18 | 2002-08-12 | 日本ビクター株式会社 | 音響信号処理装置 |
| US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
| JPH09261068A (ja) * | 1996-03-27 | 1997-10-03 | Toshiba Corp | データ圧縮／復号／伝送／受信／記録／再生の方法と装置 |
| US6226325B1 (en) * | 1996-03-27 | 2001-05-01 | Kabushiki Kaisha Toshiba | Digital data processing system |
| JP3405109B2 (ja) * | 1996-04-17 | 2003-05-12 | 日本ビクター株式会社 | エンコード装置、デコード装置及び記録媒体並びにデジタルオーディオ信号の再生装置 |
| KR100251453B1 (ko) * | 1997-08-26 | 2000-04-15 | 윤종용 | 고음질 오디오 부호화/복호화장치들 및 디지털다기능디스크 |
| US6226616B1 (en) | 1999-06-21 | 2001-05-01 | Digital Theater Systems, Inc. | Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
| JP2003280694A (ja) * | 2002-03-26 | 2003-10-02 | Nec Corp | 階層ロスレス符号化復号方法、階層ロスレス符号化方法、階層ロスレス復号方法及びその装置並びにプログラム |
| US7424434B2 (en) * | 2002-09-04 | 2008-09-09 | Microsoft Corporation | Unified lossy and lossless audio compression |
| US7395210B2 (en) * | 2002-11-21 | 2008-07-01 | Microsoft Corporation | Progressive to lossless embedded audio coder (PLEAC) with multiple factorization reversible transform |
| JP4679049B2 (ja) * | 2003-09-30 | 2011-04-27 | パナソニック株式会社 | スケーラブル復号化装置 |
| US7392195B2 (en) * | 2004-03-25 | 2008-06-24 | Dts, Inc. | Lossless multi-channel audio codec |
| EP2270774B1 (en) * | 2004-03-25 | 2016-07-27 | DTS, Inc. | Lossless multi-channel audio codec |
| US20070078645A1 (en) * | 2005-09-30 | 2007-04-05 | Nokia Corporation | Filterbank-based processing of speech signals |
| EP1852849A1 (en) | 2006-05-05 | 2007-11-07 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| EP1852848A1 (en) * | 2006-05-05 | 2007-11-07 | Deutsche Thomson-Brandt GmbH | Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream |
| EP1883067A1 (en) * | 2006-07-24 | 2008-01-30 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| EP2304723B1 (en) * | 2008-07-11 | 2012-10-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus and a method for decoding an encoded audio signal |
| CN102725791B (zh) * | 2009-11-19 | 2014-09-17 | 瑞典爱立信有限公司 | 用于音频编解码中的响度和锐度补偿的方法和设备 |
| US8374858B2 (en) * | 2010-03-09 | 2013-02-12 | Dts, Inc. | Scalable lossless audio codec and authoring tool |
| GB201210373D0 (en) | 2012-06-12 | 2012-07-25 | Meridian Audio Ltd | Doubly compatible lossless audio sandwidth extension |
-
2012
- 2012-06-12 GB GBGB1210373.5A patent/GB201210373D0/en not_active Ceased
-
2013
- 2013-06-12 US US14/406,110 patent/US9548055B2/en active Active
- 2013-06-12 KR KR1020157000750A patent/KR102202833B1/ko active Active
- 2013-06-12 CN CN201380038662.1A patent/CN104508740B/zh active Active
- 2013-06-12 GB GB1310486.4A patent/GB2503110B/en active Active
- 2013-06-12 EP EP13733412.4A patent/EP2859548B1/en active Active
- 2013-06-12 WO PCT/GB2013/051548 patent/WO2013186561A2/en not_active Ceased
- 2013-06-12 CA CA2898923A patent/CA2898923C/en active Active
- 2013-06-12 JP JP2015516683A patent/JP6264699B2/ja active Active
- 2013-06-13 GB GBGB1310497.1A patent/GB201310497D0/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP2859548A2 (en) | 2015-04-15 |
| US20150154969A1 (en) | 2015-06-04 |
| GB201310486D0 (en) | 2013-07-24 |
| JP2015519615A (ja) | 2015-07-09 |
| GB2503110A (en) | 2013-12-18 |
| EP2859548B1 (en) | 2018-01-31 |
| WO2013186561A2 (en) | 2013-12-19 |
| WO2013186561A3 (en) | 2014-02-27 |
| KR102202833B1 (ko) | 2021-01-14 |
| GB201310497D0 (en) | 2013-07-24 |
| JP6264699B2 (ja) | 2018-01-24 |
| CA2898923A1 (en) | 2013-12-19 |
| KR20150032699A (ko) | 2015-03-27 |
| CN104508740A (zh) | 2015-04-08 |
| US9548055B2 (en) | 2017-01-17 |
| GB201210373D0 (en) | 2012-07-25 |
| GB2503110B (en) | 2016-06-15 |
| CN104508740B (zh) | 2017-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20180611 |