GB201210373D0 - Doubly compatible lossless audio sandwidth extension - Google Patents

Doubly compatible lossless audio sandwidth extension

Info

Publication number
GB201210373D0
GB201210373D0 GBGB1210373.5A GB201210373A GB201210373D0 GB 201210373 D0 GB201210373 D0 GB 201210373D0 GB 201210373 A GB201210373 A GB 201210373A GB 201210373 D0 GB201210373 D0 GB 201210373D0
Authority
GB
United Kingdom
Prior art keywords
samples
pcm
sandwidth
extension
players
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
GBGB1210373.5A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meridian Audio Ltd
Original Assignee
Meridian Audio Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meridian Audio Ltd filed Critical Meridian Audio Ltd
Priority to GBGB1210373.5A priority Critical patent/GB201210373D0/en
Publication of GB201210373D0 publication Critical patent/GB201210373D0/en
Priority to CA2898923A priority patent/CA2898923C/en
Priority to US14/406,110 priority patent/US9548055B2/en
Priority to CN201380038662.1A priority patent/CN104508740B/zh
Priority to PCT/GB2013/051548 priority patent/WO2013186561A2/en
Priority to GB1310486.4A priority patent/GB2503110B/en
Priority to JP2015516683A priority patent/JP6264699B2/ja
Priority to EP13733412.4A priority patent/EP2859548B1/en
Priority to KR1020157000750A priority patent/KR102202833B1/ko
Priority to GBGB1310497.1A priority patent/GB201310497D0/en
Ceased legal-status Critical Current

Links

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)
GBGB1210373.5A 2012-06-12 2012-06-12 Doubly compatible lossless audio sandwidth extension Ceased GB201210373D0 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GBGB1210373.5A GB201210373D0 (en) 2012-06-12 2012-06-12 Doubly compatible lossless audio sandwidth extension
KR1020157000750A KR102202833B1 (ko) 2012-06-12 2013-06-12 이중 호환가능 무손실 오디오 대역폭 확장
PCT/GB2013/051548 WO2013186561A2 (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension
US14/406,110 US9548055B2 (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension
CN201380038662.1A CN104508740B (zh) 2012-06-12 2013-06-12 双重兼容无损音频带宽扩展
CA2898923A CA2898923C (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension
GB1310486.4A GB2503110B (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension
JP2015516683A JP6264699B2 (ja) 2012-06-12 2013-06-12 二重の互換性を持つ損失のないオーディオ帯域幅拡張
EP13733412.4A EP2859548B1 (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension
GBGB1310497.1A GB201310497D0 (en) 2012-06-12 2013-06-13 Galectin Variant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1210373.5A GB201210373D0 (en) 2012-06-12 2012-06-12 Doubly compatible lossless audio sandwidth extension

Publications (1)

Publication Number Publication Date
GB201210373D0 true GB201210373D0 (en) 2012-07-25

Family

ID=46605804

Family Applications (3)

Application Number Title Priority Date Filing Date
GBGB1210373.5A Ceased GB201210373D0 (en) 2012-06-12 2012-06-12 Doubly compatible lossless audio sandwidth extension
GB1310486.4A Active GB2503110B (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension
GBGB1310497.1A Ceased GB201310497D0 (en) 2012-06-12 2013-06-13 Galectin Variant

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB1310486.4A Active GB2503110B (en) 2012-06-12 2013-06-12 Doubly compatible lossless audio bandwidth extension
GBGB1310497.1A Ceased GB201310497D0 (en) 2012-06-12 2013-06-13 Galectin Variant

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CA2898923C (en) 2021-03-16
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
GB2503110B (en) 2016-06-15
CN104508740B (zh) 2017-08-11

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)