EP4697325A4 - AUDIO CODING METHOD AND DEVICE AS WELL AS ELECTRONIC DEVICE AND STORAGE MEDIUM - Google Patents

AUDIO CODING METHOD AND DEVICE AS WELL AS ELECTRONIC DEVICE AND STORAGE MEDIUM

Info

Publication number
EP4697325A4
EP4697325A4 EP24788243.4A EP24788243A EP4697325A4 EP 4697325 A4 EP4697325 A4 EP 4697325A4 EP 24788243 A EP24788243 A EP 24788243A EP 4697325 A4 EP4697325 A4 EP 4697325A4
Authority
EP
European Patent Office
Prior art keywords
well
storage medium
coding method
audio coding
electronic device
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.)
Pending
Application number
EP24788243.4A
Other languages
German (de)
French (fr)
Other versions
EP4697325A1 (en
Inventor
Guangshuo Zhang
Bin Wang
Yong Liu
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.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co 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 Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Publication of EP4697325A1 publication Critical patent/EP4697325A1/en
Publication of EP4697325A4 publication Critical patent/EP4697325A4/en
Pending 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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP24788243.4A 2023-04-14 2024-04-12 AUDIO CODING METHOD AND DEVICE AS WELL AS ELECTRONIC DEVICE AND STORAGE MEDIUM Pending EP4697325A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202310403661.8A CN116434760A (en) 2023-04-14 2023-04-14 An audio coding method, device, electronic equipment and storage medium
PCT/CN2024/087626 WO2024213147A1 (en) 2023-04-14 2024-04-12 Audio coding method and apparatus, and electronic device and storage medium

Publications (2)

Publication Number Publication Date
EP4697325A1 EP4697325A1 (en) 2026-02-18
EP4697325A4 true EP4697325A4 (en) 2026-04-08

Family

ID=87079338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24788243.4A Pending EP4697325A4 (en) 2023-04-14 2024-04-12 AUDIO CODING METHOD AND DEVICE AS WELL AS ELECTRONIC DEVICE AND STORAGE MEDIUM

Country Status (4)

Country Link
EP (1) EP4697325A4 (en)
KR (1) KR20250168677A (en)
CN (1) CN116434760A (en)
WO (1) WO2024213147A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116434760A (en) * 2023-04-14 2023-07-14 北京小米移动软件有限公司 An audio coding method, device, electronic equipment and storage medium
CN117730532A (en) * 2023-10-31 2024-03-19 北京小米移动软件有限公司 Coding and decoding methods, terminals, network equipment and storage media
CN120108406B (en) * 2023-11-30 2025-11-28 荣耀终端股份有限公司 Audio processing methods, in-vehicle audio equipment, electronic devices and vehicles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040049379A1 (en) * 2002-09-04 2004-03-11 Microsoft Corporation Multi-channel audio encoding and decoding
US20120020482A1 (en) * 2010-07-22 2012-01-26 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel audio signal
WO2016023322A1 (en) * 2014-08-15 2016-02-18 北京天籁传音数字技术有限公司 Multichannel acoustic signal encoding method, decoding method and device

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WO2006056100A1 (en) * 2004-11-24 2006-06-01 Beijing E-World Technology Co., Ltd Coding/decoding method and device utilizing intra-channel signal redundancy
MX2007014570A (en) * 2005-05-25 2008-02-11 Koninkl Philips Electronics Nv Predictive encoding of a multi channel signal.
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
CN101071570B (en) * 2007-06-21 2011-02-16 北京中星微电子有限公司 Coupling track coding-decoding processing method, audio coding device and decoding device
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
KR101698439B1 (en) * 2010-04-09 2017-01-20 돌비 인터네셔널 에이비 Mdct-based complex prediction stereo coding
CN102982805B (en) * 2012-12-27 2014-11-19 北京理工大学 Multi-channel audio signal compressing method based on tensor decomposition
CN103400582B (en) * 2013-08-13 2015-09-16 武汉大学 Towards decoding method and the system of multisound path three dimensional audio frequency
CN104240712B (en) * 2014-09-30 2018-02-02 武汉大学深圳研究院 A kind of three-dimensional audio multichannel grouping and clustering coding method and system
CN113948095B (en) * 2020-07-17 2025-02-25 华为技术有限公司 Multi-channel audio signal encoding and decoding method and device
EP4440151A4 (en) * 2021-11-26 2024-11-27 Beijing Xiaomi Mobile Software Co., Ltd. STEREO AUDIO SIGNAL PROCESSING METHOD AND APPARATUS, ENCODING DEVICE, DECODING DEVICE, AND STORAGE MEDIUM
CN116434760A (en) * 2023-04-14 2023-07-14 北京小米移动软件有限公司 An audio coding method, device, electronic equipment and storage medium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040049379A1 (en) * 2002-09-04 2004-03-11 Microsoft Corporation Multi-channel audio encoding and decoding
US20120020482A1 (en) * 2010-07-22 2012-01-26 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel audio signal
WO2016023322A1 (en) * 2014-08-15 2016-02-18 北京天籁传音数字技术有限公司 Multichannel acoustic signal encoding method, decoding method and device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024213147A1 *
SHI DONG ET AL: "Expanded three-channel mid/side coding for three-dimensional multichannel audio systems", EURASIP JOURNAL ON AUDIO, SPEECH, AND MUSIC PROCESSING, vol. 2014, no. 1, 24 March 2014 (2014-03-24), DE, pages 1 - 13, XP055138941, ISSN: 1687-4722, DOI: 10.1186/1687-4722-2014-10 *

Also Published As

Publication number Publication date
KR20250168677A (en) 2025-12-02
WO2024213147A1 (en) 2024-10-17
EP4697325A1 (en) 2026-02-18
CN116434760A (en) 2023-07-14

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