GB201701594D0 - Stereo audio signal encoder - Google Patents

Stereo audio signal encoder

Info

Publication number
GB201701594D0
GB201701594D0 GBGB1701594.2A GB201701594A GB201701594D0 GB 201701594 D0 GB201701594 D0 GB 201701594D0 GB 201701594 A GB201701594 A GB 201701594A GB 201701594 D0 GB201701594 D0 GB 201701594D0
Authority
GB
United Kingdom
Prior art keywords
audio signal
stereo audio
signal encoder
encoder
stereo
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.)
Withdrawn
Application number
GBGB1701594.2A
Other versions
GB2559199A (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.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
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 Nokia Technologies Oy filed Critical Nokia Technologies Oy
Priority to GB1701594.2A priority Critical patent/GB2559199A/en
Publication of GB201701594D0 publication Critical patent/GB201701594D0/en
Priority to ES18747600T priority patent/ES2946235T3/en
Priority to PCT/FI2018/050018 priority patent/WO2018142018A1/en
Priority to EP18747600.7A priority patent/EP3577649B1/en
Publication of GB2559199A publication Critical patent/GB2559199A/en
Withdrawn legal-status Critical Current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
    • G10L19/008—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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stereo-Broadcasting Methods (AREA)
GB1701594.2A 2017-01-31 2017-01-31 Stereo audio signal encoder Withdrawn GB2559199A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1701594.2A GB2559199A (en) 2017-01-31 2017-01-31 Stereo audio signal encoder
ES18747600T ES2946235T3 (en) 2017-01-31 2018-01-11 Stereo audio signal encoder
PCT/FI2018/050018 WO2018142018A1 (en) 2017-01-31 2018-01-11 Stereo audio signal encoder
EP18747600.7A EP3577649B1 (en) 2017-01-31 2018-01-11 Stereo audio signal encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1701594.2A GB2559199A (en) 2017-01-31 2017-01-31 Stereo audio signal encoder

Publications (2)

Publication Number Publication Date
GB201701594D0 true GB201701594D0 (en) 2017-03-15
GB2559199A GB2559199A (en) 2018-08-01

Family

ID=58462846

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1701594.2A Withdrawn GB2559199A (en) 2017-01-31 2017-01-31 Stereo audio signal encoder

Country Status (4)

Country Link
EP (1) EP3577649B1 (en)
ES (1) ES2946235T3 (en)
GB (1) GB2559199A (en)
WO (1) WO2018142018A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110100279B (en) * 2016-11-08 2024-03-08 弗劳恩霍夫应用研究促进协会 Apparatus and method for encoding or decoding multi-channel signal
GB2580899A (en) * 2019-01-22 2020-08-05 Nokia Technologies Oy Audio representation and associated rendering

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003281128A1 (en) * 2002-07-16 2004-02-02 Koninklijke Philips Electronics N.V. Audio coding
US7433824B2 (en) * 2002-09-04 2008-10-07 Microsoft Corporation Entropy coding by adapting coding between level and run-length/level modes
DK3573056T3 (en) * 2008-07-11 2022-10-03 Fraunhofer Ges Forschung Audio encoders and audio decoders
US9799339B2 (en) * 2012-05-29 2017-10-24 Nokia Technologies Oy Stereo audio signal encoder
CN104380377B (en) * 2012-06-14 2017-06-06 瑞典爱立信有限公司 For the method and apparatus of scalable low encoding complexity/decoding
US9865269B2 (en) * 2012-07-19 2018-01-09 Nokia Technologies Oy Stereo audio signal encoder
EP3014609B1 (en) * 2013-06-27 2017-09-27 Dolby Laboratories Licensing Corporation Bitstream syntax for spatial voice coding
TWI579831B (en) * 2013-09-12 2017-04-21 杜比國際公司 Method for quantization of parameters, method for dequantization of quantized parameters and computer-readable medium, audio encoder, audio decoder and audio system thereof

Also Published As

Publication number Publication date
EP3577649B1 (en) 2023-05-10
EP3577649A1 (en) 2019-12-11
GB2559199A (en) 2018-08-01
WO2018142018A1 (en) 2018-08-09
ES2946235T3 (en) 2023-07-14
EP3577649A4 (en) 2020-11-11

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)