SG11202010367YA - Integration of high frequency reconstruction techniques with reduced post-processing delay - Google Patents

Integration of high frequency reconstruction techniques with reduced post-processing delay

Info

Publication number
SG11202010367YA
SG11202010367YA SG11202010367YA SG11202010367YA SG11202010367YA SG 11202010367Y A SG11202010367Y A SG 11202010367YA SG 11202010367Y A SG11202010367Y A SG 11202010367YA SG 11202010367Y A SG11202010367Y A SG 11202010367YA SG 11202010367Y A SG11202010367Y A SG 11202010367YA
Authority
SG
Singapore
Prior art keywords
integration
high frequency
processing delay
reconstruction techniques
frequency reconstruction
Prior art date
Application number
SG11202010367YA
Inventor
Kristofer Kjoerling
Lars Villemoes
Heiko Purnhagen
Per Ekstrand
Original Assignee
Dolby Int Ab
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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of SG11202010367YA publication Critical patent/SG11202010367YA/en

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
SG11202010367YA 2018-04-25 2019-04-25 Integration of high frequency reconstruction techniques with reduced post-processing delay SG11202010367YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862662296P 2018-04-25 2018-04-25
PCT/US2019/029144 WO2019210068A1 (en) 2018-04-25 2019-04-25 Integration of high frequency reconstruction techniques with reduced post-processing delay

Publications (1)

Publication Number Publication Date
SG11202010367YA true SG11202010367YA (en) 2020-11-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202010367YA SG11202010367YA (en) 2018-04-25 2019-04-25 Integration of high frequency reconstruction techniques with reduced post-processing delay

Country Status (17)

Country Link
US (6) US11562759B2 (en)
EP (1) EP3662469A4 (en)
JP (3) JP6908795B2 (en)
KR (5) KR102649124B1 (en)
CN (6) CN114242088A (en)
AR (3) AR114840A1 (en)
AU (3) AU2019257701A1 (en)
BR (1) BR112020021809A2 (en)
CA (2) CA3152262A1 (en)
CL (1) CL2020002746A1 (en)
MA (1) MA50760A (en)
MX (1) MX2020011212A (en)
RU (2) RU2758199C1 (en)
SG (1) SG11202010367YA (en)
TW (1) TWI820123B (en)
WO (1) WO2019210068A1 (en)
ZA (2) ZA202006517B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI807562B (en) * 2017-03-23 2023-07-01 瑞典商都比國際公司 Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals
JP7257041B2 (en) 2019-10-28 2023-04-13 国立大学法人東北大学 Estimation device, estimation method, and material manufacturing method
CN113113032A (en) * 2020-01-10 2021-07-13 华为技术有限公司 Audio coding and decoding method and audio coding and decoding equipment
CN113192523A (en) * 2020-01-13 2021-07-30 华为技术有限公司 Audio coding and decoding method and audio coding and decoding equipment
CN114550732B (en) * 2022-04-15 2022-07-08 腾讯科技(深圳)有限公司 Coding and decoding method and related device for high-frequency audio signal

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512719C2 (en) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd A method and apparatus for reducing data flow based on harmonic bandwidth expansion
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)
SE0001926D0 (en) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation / folding in the subband domain
US7469206B2 (en) 2001-11-29 2008-12-23 Coding Technologies Ab Methods for improving high frequency reconstruction
US7447631B2 (en) 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
US6792057B2 (en) * 2002-08-29 2004-09-14 Bae Systems Information And Electronic Systems Integration Inc Partial band reconstruction of frequency channelized filters
CN1989546B (en) * 2004-07-20 2011-07-13 松下电器产业株式会社 Sound encoder and sound encoding method
US8260609B2 (en) * 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
WO2009059632A1 (en) * 2007-11-06 2009-05-14 Nokia Corporation An encoder
CN101458930B (en) * 2007-12-12 2011-09-14 华为技术有限公司 Excitation signal generation in bandwidth spreading and signal reconstruction method and apparatus
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
US9275652B2 (en) 2008-03-10 2016-03-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Device and method for manipulating an audio signal having a transient event
KR101223835B1 (en) * 2008-07-11 2013-01-17 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Audio signal synthesizer and audio signal encoder
JP5203077B2 (en) 2008-07-14 2013-06-05 株式会社エヌ・ティ・ティ・ドコモ Speech coding apparatus and method, speech decoding apparatus and method, and speech bandwidth extension apparatus and method
TWI618351B (en) 2009-02-18 2018-03-11 杜比國際公司 Complex exponential modulated filter bank for high frequency reconstruction
RU2520329C2 (en) 2009-03-17 2014-06-20 Долби Интернешнл Аб Advanced stereo coding based on combination of adaptively selectable left/right or mid/side stereo coding and parametric stereo coding
TWI556227B (en) * 2009-05-27 2016-11-01 杜比國際公司 Systems and methods for generating a high frequency component of a signal from a low frequency component of the signal, a set-top box, a computer program product and storage medium thereof
PL2273493T3 (en) 2009-06-29 2013-07-31 Fraunhofer Ges Forschung Bandwidth extension encoding and decoding
US8515768B2 (en) 2009-08-31 2013-08-20 Apple Inc. Enhanced audio decoder
ES2930203T3 (en) 2010-01-19 2022-12-07 Dolby Int Ab Enhanced sub-band block-based harmonic transposition
CN102985970B (en) 2010-03-09 2014-11-05 弗兰霍菲尔运输应用研究公司 Improved magnitude response and temporal alignment in phase vocoder based bandwidth extension for audio signals
PL2545553T3 (en) 2010-03-09 2015-01-30 Fraunhofer Ges Forschung Apparatus and method for processing an audio signal using patch border alignment
PL3544007T3 (en) 2010-07-19 2020-11-02 Dolby International Ab Processing of audio signals during high frequency reconstruction
US9047875B2 (en) 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
US8996976B2 (en) 2011-09-06 2015-03-31 Microsoft Technology Licensing, Llc Hyperlink destination visibility
CN103918029B (en) 2011-11-11 2016-01-20 杜比国际公司 Use the up-sampling of over-sampling spectral band replication
GB2499699A (en) * 2011-12-14 2013-08-28 Wolfson Ltd Digital data transmission involving the position of and duration of data pulses within transfer periods
EP2631906A1 (en) 2012-02-27 2013-08-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Phase coherence control for harmonic signals in perceptual audio codecs
EP2881943A1 (en) * 2013-12-09 2015-06-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding an encoded audio signal with low computational resources
EP3127109B1 (en) 2014-04-01 2018-03-14 Dolby International AB Efficient coding of audio scenes comprising audio objects
TW202242853A (en) 2015-03-13 2022-11-01 瑞典商杜比國際公司 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element
GR1008810B (en) 2015-03-19 2016-07-07 Νικολαος Ευστρατιου Καβουνης Natural sparkling wine enriched with organic kozani's crocus (greek saffron)
EP3208800A1 (en) * 2016-02-17 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for stereo filing in multichannel coding
EP3382700A1 (en) * 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for post-processing an audio signal using a transient location detection
TWI809289B (en) 2018-01-26 2023-07-21 瑞典商都比國際公司 Method, audio processing unit and non-transitory computer readable medium for performing high frequency reconstruction of an audio signal

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Publication number Publication date
US20230206935A1 (en) 2023-06-29
JP6908795B2 (en) 2021-07-28
JP2023060264A (en) 2023-04-27
US20230206932A1 (en) 2023-06-29
WO2019210068A1 (en) 2019-10-31
KR20240042120A (en) 2024-04-01
KR102474146B1 (en) 2022-12-06
AR114840A1 (en) 2020-10-21
US20210151062A1 (en) 2021-05-20
KR102560473B1 (en) 2023-07-27
CN114242089A (en) 2022-03-25
KR20200137026A (en) 2020-12-08
RU2021130811A (en) 2022-03-01
KR102649124B1 (en) 2024-03-20
AR126605A2 (en) 2023-10-25
TW202006706A (en) 2020-02-01
CN114242086A (en) 2022-03-25
AR126606A2 (en) 2023-10-25
AU2019257701A1 (en) 2020-12-03
MA50760A (en) 2020-06-10
AU2023203912A1 (en) 2023-07-13
BR112020021809A2 (en) 2021-02-23
KR20230116088A (en) 2023-08-03
EP3662469A1 (en) 2020-06-10
CA3098295A1 (en) 2019-10-31
KR102310937B1 (en) 2021-10-12
ZA202204656B (en) 2023-11-29
CN114242090A (en) 2022-03-25
US11562759B2 (en) 2023-01-24
CN112204659B (en) 2021-12-17
US11830509B2 (en) 2023-11-28
AU2021277708B2 (en) 2023-03-30
JP2021157202A (en) 2021-10-07
US11823694B2 (en) 2023-11-21
MX2020011212A (en) 2020-11-09
KR20220166372A (en) 2022-12-16
US20230206934A1 (en) 2023-06-29
CN112204659A (en) 2021-01-08
EP3662469A4 (en) 2020-08-19
US11823696B2 (en) 2023-11-21
CN114242088A (en) 2022-03-25
CL2020002746A1 (en) 2021-01-29
US20230162748A1 (en) 2023-05-25
AU2021277708A1 (en) 2021-12-23
JP2021515276A (en) 2021-06-17
JP7242767B2 (en) 2023-03-20
KR20210125108A (en) 2021-10-15
ZA202006517B (en) 2023-10-25
CA3098295C (en) 2022-04-26
TWI820123B (en) 2023-11-01
US11823695B2 (en) 2023-11-21
CN114242087A (en) 2022-03-25
RU2758199C1 (en) 2021-10-26
US11908486B2 (en) 2024-02-20
CA3152262A1 (en) 2019-10-31
US20230206933A1 (en) 2023-06-29

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