SG11202012703YA - Method and apparatus for determining weighting factor during stereo signal encoding - Google Patents

Method and apparatus for determining weighting factor during stereo signal encoding

Info

Publication number
SG11202012703YA
SG11202012703YA SG11202012703YA SG11202012703YA SG11202012703YA SG 11202012703Y A SG11202012703Y A SG 11202012703YA SG 11202012703Y A SG11202012703Y A SG 11202012703YA SG 11202012703Y A SG11202012703Y A SG 11202012703YA SG 11202012703Y A SG11202012703Y A SG 11202012703YA
Authority
SG
Singapore
Prior art keywords
weighting factor
stereo signal
signal encoding
factor during
determining weighting
Prior art date
Application number
SG11202012703YA
Inventor
Eyal Shlomot
Haiting Li
Zexin Liu
Original Assignee
Huawei Tech 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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11202012703YA publication Critical patent/SG11202012703YA/en

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
    • G10L19/02—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
    • G10L19/008—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
    • G10L19/04—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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] vocoders
    • 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
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
SG11202012703YA 2018-06-29 2019-06-27 Method and apparatus for determining weighting factor during stereo signal encoding SG11202012703YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810713019.9A CN110660402B (en) 2018-06-29 2018-06-29 Method and device for determining weighting coefficients in a stereo signal encoding process
PCT/CN2019/093402 WO2020001568A1 (en) 2018-06-29 2019-06-27 Method and apparatus for determining weighting coefficient during stereo signal coding process

Publications (1)

Publication Number Publication Date
SG11202012703YA true SG11202012703YA (en) 2021-01-28

Family

ID=68985852

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202012703YA SG11202012703YA (en) 2018-06-29 2019-06-27 Method and apparatus for determining weighting factor during stereo signal encoding

Country Status (6)

Country Link
US (3) US11551701B2 (en)
EP (1) EP3800638A4 (en)
CN (1) CN110660402B (en)
BR (1) BR112020026679A2 (en)
SG (1) SG11202012703YA (en)
WO (1) WO2020001568A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110660402B (en) 2018-06-29 2022-03-29 华为技术有限公司 Method and device for determining weighting coefficients in a stereo signal encoding process

Family Cites Families (21)

* Cited by examiner, † Cited by third party
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US5293449A (en) * 1990-11-23 1994-03-08 Comsat Corporation Analysis-by-synthesis 2,4 kbps linear predictive speech codec
US6480822B2 (en) 1998-08-24 2002-11-12 Conexant Systems, Inc. Low complexity random codebook structure
US7013269B1 (en) * 2001-02-13 2006-03-14 Hughes Electronics Corporation Voicing measure for a speech CODEC system
US6931373B1 (en) * 2001-02-13 2005-08-16 Hughes Electronics Corporation Prototype waveform phase modeling for a frequency domain interpolative speech codec system
US6996523B1 (en) * 2001-02-13 2006-02-07 Hughes Electronics Corporation Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system
KR100499047B1 (en) * 2002-11-25 2005-07-04 한국전자통신연구원 Apparatus and method for transcoding between CELP type codecs with a different bandwidths
US8135047B2 (en) 2006-07-31 2012-03-13 Qualcomm Incorporated Systems and methods for including an identifier with a packet associated with a speech signal
KR20090076964A (en) * 2006-11-10 2009-07-13 파나소닉 주식회사 Parameter decoding device, parameter encoding device, and parameter decoding method
CN101004916B (en) * 2007-01-19 2011-03-30 清华大学 Anti channel error code method of line spectrum pair parameter of voice coder
US8229106B2 (en) * 2007-01-22 2012-07-24 D.S.P. Group, Ltd. Apparatus and methods for enhancement of speech
CN101547010B (en) * 2008-03-24 2011-07-06 华为技术有限公司 System, method and device for coding and decoding
US8600737B2 (en) * 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding
KR101747917B1 (en) * 2010-10-18 2017-06-15 삼성전자주식회사 Apparatus and method for determining weighting function having low complexity for lpc coefficients quantization
US9514757B2 (en) * 2010-11-17 2016-12-06 Panasonic Intellectual Property Corporation Of America Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal decoding method
CN103050121A (en) * 2012-12-31 2013-04-17 北京迅光达通信技术有限公司 Linear prediction speech coding method and speech synthesis method
CN106169297B (en) 2013-05-30 2019-04-19 华为技术有限公司 Coding method and equipment
US9666202B2 (en) * 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
CN104517610B (en) * 2013-09-26 2018-03-06 华为技术有限公司 The method and device of bandspreading
KR102271852B1 (en) * 2013-11-02 2021-07-01 삼성전자주식회사 Method and apparatus for generating wideband signal and device employing the same
CN103824561B (en) * 2014-02-18 2015-03-11 北京邮电大学 Missing value nonlinear estimating method of speech linear predictive coding model
CN110660402B (en) 2018-06-29 2022-03-29 华为技术有限公司 Method and device for determining weighting coefficients in a stereo signal encoding process

Also Published As

Publication number Publication date
WO2020001568A1 (en) 2020-01-02
CN110660402A (en) 2020-01-07
US20230119826A1 (en) 2023-04-20
US11551701B2 (en) 2023-01-10
CN110660402B (en) 2022-03-29
US20240274136A1 (en) 2024-08-15
US20210118456A1 (en) 2021-04-22
EP3800638A4 (en) 2021-08-18
BR112020026679A2 (en) 2021-03-30
WO2020001568A8 (en) 2020-10-22
EP3800638A1 (en) 2021-04-07
US11922958B2 (en) 2024-03-05

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