CN104508740B - 双重兼容无损音频带宽扩展 - Google Patents

双重兼容无损音频带宽扩展 Download PDF

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Publication number
CN104508740B
CN104508740B CN201380038662.1A CN201380038662A CN104508740B CN 104508740 B CN104508740 B CN 104508740B CN 201380038662 A CN201380038662 A CN 201380038662A CN 104508740 B CN104508740 B CN 104508740B
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lossless
audio
output
signal
input
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Chinese (zh)
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CN104508740A (zh
Inventor
彼得·格雷厄姆·克雷文
马尔科姆·罗
约翰·罗伯特·斯图亚特
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Lanbrook Industries Ltd
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Renet Co ltd
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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)
CN201380038662.1A 2012-06-12 2013-06-12 双重兼容无损音频带宽扩展 Active CN104508740B (zh)

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
CN104508740A CN104508740A (zh) 2015-04-08
CN104508740B true CN104508740B (zh) 2017-08-11

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CN201380038662.1A Active CN104508740B (zh) 2012-06-12 2013-06-12 双重兼容无损音频带宽扩展

Country Status (8)

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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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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

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CN1050116A (zh) * 1989-06-02 1991-03-20 法国政府(由邮政部、电讯局及太空署代表) 利用数字信号分频带编码的数字传输系统
US5953429A (en) * 1993-06-01 1999-09-14 Matsushita Avionics Systems Corporation Integrated video and audio signal distribution system and method for use on commercial aircraft and other vehicles
CN1213135A (zh) * 1997-08-26 1999-04-07 三星电子株式会社 高质量的音频编码/解码设备和数字通用盘
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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
GB201210373D0 (en) 2012-07-25
GB2503110B (en) 2016-06-15

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