KR102202833B1 - 이중 호환가능 무손실 오디오 대역폭 확장 - Google Patents

이중 호환가능 무손실 오디오 대역폭 확장 Download PDF

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KR102202833B1
KR102202833B1 KR1020157000750A KR20157000750A KR102202833B1 KR 102202833 B1 KR102202833 B1 KR 102202833B1 KR 1020157000750 A KR1020157000750 A KR 1020157000750A KR 20157000750 A KR20157000750 A KR 20157000750A KR 102202833 B1 KR102202833 B1 KR 102202833B1
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lossless
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digital audio
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KR20150032699A (ko
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존 로버트 스튜어트
피터 그라함 크레이븐
말콤 로
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엠큐에이 리미티드
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    • 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

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  • 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)
KR1020157000750A 2012-06-12 2013-06-12 이중 호환가능 무손실 오디오 대역폭 확장 Active KR102202833B1 (ko)

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

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KR20150032699A KR20150032699A (ko) 2015-03-27
KR102202833B1 true KR102202833B1 (ko) 2021-01-14

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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)

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EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
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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
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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

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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
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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