SG11201601637PA - Adaptive bandwidth extension and apparatus for the same - Google Patents

Adaptive bandwidth extension and apparatus for the same

Info

Publication number
SG11201601637PA
SG11201601637PA SG11201601637PA SG11201601637PA SG11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA
Authority
SG
Singapore
Prior art keywords
same
bandwidth extension
adaptive bandwidth
adaptive
extension
Prior art date
Application number
SG11201601637PA
Inventor
Yang Gao
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 SG11201601637PA publication Critical patent/SG11201601637PA/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
    • G10L19/04—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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L19/02—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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

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)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
SG11201601637PA 2013-09-10 2014-09-09 Adaptive bandwidth extension and apparatus for the same SG11201601637PA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361875690P 2013-09-10 2013-09-10
US14/478,839 US9666202B2 (en) 2013-09-10 2014-09-05 Adaptive bandwidth extension and apparatus for the same
PCT/CN2014/086135 WO2015035896A1 (en) 2013-09-10 2014-09-09 Adaptive bandwidth extension and apparatus for the same

Publications (1)

Publication Number Publication Date
SG11201601637PA true SG11201601637PA (en) 2016-04-28

Family

ID=52626402

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201601637PA SG11201601637PA (en) 2013-09-10 2014-09-09 Adaptive bandwidth extension and apparatus for the same

Country Status (16)

Country Link
US (2) US9666202B2 (en)
EP (3) EP4258261A3 (en)
JP (1) JP6336086B2 (en)
KR (2) KR101785885B1 (en)
CN (2) CN107393552B (en)
AU (1) AU2014320881B2 (en)
BR (1) BR112016005111B1 (en)
CA (1) CA2923218C (en)
ES (1) ES2644967T3 (en)
HK (1) HK1220541A1 (en)
MX (1) MX356721B (en)
MY (1) MY192508A (en)
PL (1) PL3301674T3 (en)
RU (1) RU2641224C2 (en)
SG (1) SG11201601637PA (en)
WO (1) WO2015035896A1 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR201808500T4 (en) * 2008-12-15 2018-07-23 Fraunhofer Ges Forschung Audio encoder and bandwidth extension decoder.
TWI557726B (en) * 2013-08-29 2016-11-11 杜比國際公司 System and method for determining a master scale factor band table for a highband signal of an audio signal
US9666202B2 (en) * 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
CN105761723B (en) * 2013-09-26 2019-01-15 华为技术有限公司 A kind of high-frequency excitation signal prediction technique and device
CN104517610B (en) * 2013-09-26 2018-03-06 华为技术有限公司 The method and device of bandspreading
FR3017484A1 (en) 2014-02-07 2015-08-14 Orange ENHANCED FREQUENCY BAND EXTENSION IN AUDIO FREQUENCY SIGNAL DECODER
CN111312277B (en) * 2014-03-03 2023-08-15 三星电子株式会社 Method and apparatus for high frequency decoding of bandwidth extension
KR101701623B1 (en) * 2015-07-09 2017-02-13 라인 가부시키가이샤 System and method for concealing bandwidth reduction for voice call of voice-over internet protocol
JP6611042B2 (en) * 2015-12-02 2019-11-27 パナソニックＩｐマネジメント株式会社 Audio signal decoding apparatus and audio signal decoding method
CN106057220B (en) * 2016-05-19 2020-01-03 Tcl集团股份有限公司 High-frequency extension method of audio signal and audio player
KR102494080B1 (en) 2016-06-01 2023-02-01 삼성전자 주식회사 Electronic device and method for correcting sound signal thereof
CN109791773B (en) 2016-11-04 2020-03-24 惠普发展公司，有限责任合伙企业 Audio output generation system, audio channel output method, and computer readable medium
EP3382702A1 (en) * 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for determining a predetermined characteristic related to an artificial bandwidth limitation processing of an audio signal
US10431231B2 (en) * 2017-06-29 2019-10-01 Qualcomm Incorporated High-band residual prediction with time-domain inter-channel bandwidth extension
US20190051286A1 (en) * 2017-08-14 2019-02-14 Microsoft Technology Licensing, Llc Normalization of high band signals in network telephony communications
CN109688531B (en) * 2017-10-18 2021-01-26 宏达国际电子股份有限公司 Method for acquiring high-sound-quality audio conversion information, electronic device and recording medium
CN107886966A (en) * 2017-10-30 2018-04-06 捷开通讯(深圳)有限公司 Terminal and its method for optimization voice command, storage device
CN107863095A (en) * 2017-11-21 2018-03-30 广州酷狗计算机科技有限公司 Acoustic signal processing method, device and storage medium
CN110232909B (en) * 2018-03-02 2024-07-23 北京搜狗科技发展有限公司 Audio processing method, device, equipment and readable storage medium
US10586546B2 (en) 2018-04-26 2020-03-10 Qualcomm Incorporated Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding
US10573331B2 (en) * 2018-05-01 2020-02-25 Qualcomm Incorporated Cooperative pyramid vector quantizers for scalable audio coding
US10734006B2 (en) 2018-06-01 2020-08-04 Qualcomm Incorporated Audio coding based on audio pattern recognition
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
CN110556122B (en) * 2019-09-18 2024-01-19 腾讯科技（深圳）有限公司 Band expansion method, device, electronic equipment and computer readable storage medium
CN112201261B (en) * 2020-09-08 2024-05-03 厦门亿联网络技术股份有限公司 Frequency band expansion method and device based on linear filtering and conference terminal system
CN113299313B (en) * 2021-01-28 2024-03-26 维沃移动通信有限公司 Audio processing method and device and electronic equipment
CN114999503A (en) * 2022-05-23 2022-09-02 北京百瑞互联技术有限公司 Full-bandwidth spectral coefficient generation method and system based on generation countermeasure network

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6070236A (en) * 1996-12-19 2000-05-30 Deutsche Thomson-Brandt Gmbh Apparatus for processing a sequence of control commands as well as a method for generating a sequence of control commands, and storage medium for storing control commands
SE9903553D0 (en) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing conceptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US6704711B2 (en) * 2000-01-28 2004-03-09 Telefonaktiebolaget Lm Ericsson (Publ) System and method for modifying speech signals
SE0004163D0 (en) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance or high frequency reconstruction coding methods by adaptive filtering
US20020128839A1 (en) 2001-01-12 2002-09-12 Ulf Lindgren Speech bandwidth extension
JP2003044098A (en) * 2001-07-26 2003-02-14 Nec Corp Device and method for expanding voice band
KR100503415B1 (en) * 2002-12-09 2005-07-22 한국전자통신연구원 Transcoding apparatus and method between CELP-based codecs using bandwidth extension
US7461003B1 (en) * 2003-10-22 2008-12-02 Tellabs Operations, Inc. Methods and apparatus for improving the quality of speech signals
DE102005032724B4 (en) * 2005-07-13 2009-10-08 Siemens Ag Method and device for artificially expanding the bandwidth of speech signals
KR20080049085A (en) 2005-09-30 2008-06-03 마츠시타 덴끼 산교 가부시키가이샤 Audio encoding device and audio encoding method
KR100717058B1 (en) * 2005-11-28 2007-05-14 삼성전자주식회사 Method for high frequency reconstruction and apparatus thereof
CN101089951B (en) 2006-06-16 2011-08-31 北京天籁传音数字技术有限公司 Band spreading coding method and device and decode method and device
GB0704622D0 (en) * 2007-03-09 2007-04-18 Skype Ltd Speech coding system and method
KR101411900B1 (en) 2007-05-08 2014-06-26 삼성전자주식회사 Method and apparatus for encoding and decoding audio signal
EP2220646A1 (en) * 2007-11-06 2010-08-25 Nokia Corporation Audio coding apparatus and method thereof
MX2010002629A (en) 2007-11-21 2010-06-02 Lg Electronics Inc A method and an apparatus for processing a signal.
KR100970446B1 (en) * 2007-11-21 2010-07-16 한국전자통신연구원 Apparatus and method for deciding adaptive noise level for frequency extension
US8688441B2 (en) * 2007-11-29 2014-04-01 Motorola Mobility Llc Method and apparatus to facilitate provision and use of an energy value to determine a spectral envelope shape for out-of-signal bandwidth content
DE102008015702B4 (en) 2008-01-31 2010-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for bandwidth expansion of an audio signal
BRPI0910285B1 (en) * 2008-03-03 2020-05-12 Lg Electronics Inc. Methods and apparatus for processing the audio signal.
KR101475724B1 (en) * 2008-06-09 2014-12-30 삼성전자주식회사 Audio signal quality enhancement apparatus and method
EP2144230A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
EP2144231A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme with common preprocessing
AU2009267507B2 (en) * 2008-07-11 2012-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and discriminator for classifying different segments of a signal
KR101227729B1 (en) * 2008-07-11 2013-01-29 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 Audio encoder and decoder for encoding frames of sampled audio signals
AU2009267532B2 (en) * 2008-07-11 2013-04-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. An apparatus and a method for calculating a number of spectral envelopes
CN102089814B (en) * 2008-07-11 2012-11-21 弗劳恩霍夫应用研究促进协会 An apparatus and a method for decoding an encoded audio signal
PL2146344T3 (en) * 2008-07-17 2017-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding/decoding scheme having a switchable bypass
US9037474B2 (en) * 2008-09-06 2015-05-19 Huawei Technologies Co., Ltd. Method for classifying audio signal into fast signal or slow signal
CN101770776B (en) 2008-12-29 2011-06-08 华为技术有限公司 Coding method and device, decoding method and device for instantaneous signal and processing system
CN102044250B (en) 2009-10-23 2012-06-27 华为技术有限公司 Band spreading method and apparatus
JP2011209548A (en) * 2010-03-30 2011-10-20 Nippon Logics Kk Band extension device
DK2375782T3 (en) * 2010-04-09 2019-03-18 Oticon As Improvements in sound perception by using frequency transposing by moving the envelope
WO2011127832A1 (en) * 2010-04-14 2011-10-20 Huawei Technologies Co., Ltd. Time/frequency two dimension post-processing
CA3160488C (en) * 2010-07-02 2023-09-05 Dolby International Ab Audio decoding with selective post filtering
US9047875B2 (en) 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
EP4016527B1 (en) * 2010-07-19 2023-02-22 Dolby International AB Processing of audio signals during high frequency reconstruction
KR101826331B1 (en) * 2010-09-15 2018-03-22 삼성전자주식회사 Apparatus and method for encoding and decoding for high frequency bandwidth extension
JP5743137B2 (en) * 2011-01-14 2015-07-01 ソニー株式会社 Signal processing apparatus and method, and program
US8937382B2 (en) 2011-06-27 2015-01-20 Intel Corporation Secondary device integration into coreless microelectronic device packages
JP5470342B2 (en) * 2011-08-11 2014-04-16 京セラドキュメントソリューションズ株式会社 Image forming apparatus
CN106847295B (en) * 2011-09-09 2021-03-23 松下电器（美国）知识产权公司 Encoding device and encoding method
WO2013066238A2 (en) * 2011-11-02 2013-05-10 Telefonaktiebolaget L M Ericsson (Publ) Generation of a high band extension of a bandwidth extended audio signal
MY197538A (en) * 2012-03-29 2023-06-22 Ericsson Telefon Ab L M Bandwidth extension of harmonic audio signal
US20130332171A1 (en) * 2012-06-12 2013-12-12 Carlos Avendano Bandwidth Extension via Constrained Synthesis
US9728200B2 (en) * 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
US9666202B2 (en) * 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same

Also Published As

Publication number Publication date
EP3039676A4 (en) 2016-09-07
RU2016113288A (en) 2017-10-16
AU2014320881B2 (en) 2017-05-25
KR101785885B1 (en) 2017-10-16
EP4258261A3 (en) 2023-12-20
AU2014320881A1 (en) 2016-04-07
KR101871644B1 (en) 2018-06-26
CA2923218C (en) 2017-12-05
US9666202B2 (en) 2017-05-30
JP6336086B2 (en) 2018-06-06
MY192508A (en) 2022-08-24
BR112016005111A2 (en) 2017-08-01
CA2923218A1 (en) 2015-03-19
EP3301674B1 (en) 2023-08-30
RU2641224C2 (en) 2018-01-16
EP3301674A1 (en) 2018-04-04
US10249313B2 (en) 2019-04-02
US20170221498A1 (en) 2017-08-03
CN107393552B (en) 2019-01-18
JP2016535873A (en) 2016-11-17
CN105637583B (en) 2017-08-29
MX356721B (en) 2018-06-11
HK1220541A1 (en) 2017-05-05
CN107393552A (en) 2017-11-24
EP4258261A2 (en) 2023-10-11
ES2644967T3 (en) 2017-12-01
WO2015035896A1 (en) 2015-03-19
MX2016003074A (en) 2016-05-31
KR20170117207A (en) 2017-10-20
EP3039676A1 (en) 2016-07-06
EP3039676B1 (en) 2017-09-06
US20150073784A1 (en) 2015-03-12
CN105637583A (en) 2016-06-01
PL3301674T3 (en) 2024-03-04
KR20160050071A (en) 2016-05-10
BR112016005111B1 (en) 2022-07-12

Similar Documents

Publication Publication Date Title
HK1220541A1 (en) Adaptive bandwidth extension and apparatus for the same
HK1206140A1 (en) Method and device for bandwidth extension
GB201311764D0 (en) An apparatus
EP3010291A4 (en) Adaptive and power-controllable wifi adjusting method and device
GB201302789D0 (en) Apparatus
GB201300928D0 (en) Apparatus
HUE059911T2 (en) Apparatus
GB201317043D0 (en) An apparatus
EP3030097A4 (en) Shrimp-processing apparatus and methods
GB201319708D0 (en) An apparatus
PL2976209T3 (en) Film-embossing apparatus
GB201312517D0 (en) Apparatus
EP3095535A4 (en) Spin-molding apparatus
EP3041621A4 (en) Metal forming apparatus
GB201320855D0 (en) Apparatus
EP3026969A4 (en) Duplexing-mode adaptive method and device
GB201319954D0 (en) Apparatus
GB201311738D0 (en) Apparatus
GB201310529D0 (en) Traysealing apparatus
SI3135534T1 (en) Motorhome device
EP2981876A4 (en) An apparatus
AU2014904503A0 (en) Rod reduction device
AU2013900134A0 (en) Delay fabric apparatus and delay line
GB2505976B (en) Apparatus
AU2013903288A0 (en) Apparatus