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
Other languages
English (en)
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

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Networks Using Active Elements (AREA)
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

ID=68294559

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 (7) US11562759B2 (ja)
EP (1) EP3662469A4 (ja)
JP (3) JP6908795B2 (ja)
KR (5) KR102560473B1 (ja)
CN (6) CN114242090A (ja)
AR (8) AR114840A1 (ja)
AU (3) AU2019257701A1 (ja)
BR (1) BR112020021809A2 (ja)
CA (5) CA3238617A1 (ja)
CL (1) CL2020002746A1 (ja)
MA (1) MA50760A (ja)
MX (6) MX2020011212A (ja)
RU (2) RU2758199C1 (ja)
SG (1) SG11202010367YA (ja)
TW (2) TWI820123B (ja)
WO (1) WO2019210068A1 (ja)
ZA (2) ZA202006517B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI807562B (zh) * 2017-03-23 2023-07-01 瑞典商都比國際公司 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合
JP7257041B2 (ja) 2019-10-28 2023-04-13 国立大学法人東北大学 推定装置、推定方法、及び、材料の製造方法
CN113113032A (zh) * 2020-01-10 2021-07-13 华为技术有限公司 一种音频编解码方法和音频编解码设备
CN113192523A (zh) * 2020-01-13 2021-07-30 华为技术有限公司 一种音频编解码方法和音频编解码设备
CN113808596A (zh) * 2020-05-30 2021-12-17 华为技术有限公司 一种音频编码方法和音频编码装置
CN114550732B (zh) * 2022-04-15 2022-07-08 腾讯科技(深圳)有限公司 一种高频音频信号的编解码方法和相关装置

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
SE0001926D0 (sv) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
WO2003046891A1 (en) 2001-11-29 2003-06-05 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
EP1763017B1 (en) * 2004-07-20 2012-04-25 Panasonic Corporation 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 (zh) 2007-12-12 2011-09-14 华为技术有限公司 带宽扩展中激励信号的生成及信号重建方法和装置
DE102008015702B4 (de) 2008-01-31 2010-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals
EP2296145B1 (en) 2008-03-10 2019-05-22 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Device and method for manipulating an audio signal having a transient event
RU2491658C2 (ru) 2008-07-11 2013-08-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Синтезатор аудиосигнала и кодирующее устройство аудиосигнала
JP5203077B2 (ja) * 2008-07-14 2013-06-05 株式会社エヌ・ティ・ティ・ドコモ 音声符号化装置及び方法、音声復号化装置及び方法、並びに、音声帯域拡張装置及び方法
TWI559680B (zh) 2009-02-18 2016-11-21 杜比國際公司 低延遲調變濾波器組及用以設計該低延遲調變濾波器組之方法
BR122019023924B1 (pt) 2009-03-17 2021-06-01 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
TWI675367B (zh) 2009-05-27 2019-10-21 瑞典商杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法,及其機上盒、電腦程式產品、軟體程式及儲存媒體
ES2400661T3 (es) 2009-06-29 2013-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de extensión de ancho de banda
US8515768B2 (en) 2009-08-31 2013-08-20 Apple Inc. Enhanced audio decoder
PL3564954T3 (pl) 2010-01-19 2021-04-06 Dolby International Ab Ulepszona transpozycja harmonicznych oparta na bloku podpasma
CA2792452C (en) * 2010-03-09 2018-01-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an input audio signal using cascaded filterbanks
PL2545551T3 (pl) * 2010-03-09 2018-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Poprawiona charakterystyka amplitudowa i zrównanie czasowe w powiększaniu szerokości pasma na bazie wokodera fazowego dla sygnałów audio
US9047875B2 (en) 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
US9117459B2 (en) 2010-07-19 2015-08-25 Dolby International Ab Processing of audio signals during high frequency reconstruction
US8996976B2 (en) 2011-09-06 2015-03-31 Microsoft Technology Licensing, Llc Hyperlink destination visibility
CN103918029B (zh) 2011-11-11 2016-01-20 杜比国际公司 使用过采样谱带复制的上采样
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
WO2015150384A1 (en) 2014-04-01 2015-10-08 Dolby International Ab Efficient coding of audio scenes comprising audio objects
TWI758146B (zh) 2015-03-13 2022-03-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
GR1008810B (el) 2015-03-19 2016-07-07 Νικολαος Ευστρατιου Καβουνης Φυσικος αφρωδης οινος με βιολογικο κροκο κοζανης
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
TWI834582B (zh) 2018-01-26 2024-03-01 瑞典商都比國際公司 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體

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KR20220166372A (ko) 2022-12-16
US20230206932A1 (en) 2023-06-29
MX2023013469A (es) 2023-12-15
RU2758199C1 (ru) 2021-10-26
AR128550A2 (es) 2024-05-22
JP6908795B2 (ja) 2021-07-28
CA3238620A1 (en) 2019-10-31
AU2021277708A1 (en) 2021-12-23
MX2020011212A (es) 2020-11-09
MX2023013464A (es) 2023-12-15
AR114840A1 (es) 2020-10-21
AR128551A2 (es) 2024-05-22
MX2023013467A (es) 2023-12-15
CA3098295A1 (en) 2019-10-31
JP2023060264A (ja) 2023-04-27
CN114242086A (zh) 2022-03-25
EP3662469A1 (en) 2020-06-10
KR20230116088A (ko) 2023-08-03
US20210151062A1 (en) 2021-05-20
AR126606A2 (es) 2023-10-25
AR128547A2 (es) 2024-05-22
ZA202006517B (en) 2023-10-25
CA3152262A1 (en) 2019-10-31
CN114242090A (zh) 2022-03-25
US20240161763A1 (en) 2024-05-16
MA50760A (fr) 2020-06-10
CN114242089A (zh) 2022-03-25
US11823695B2 (en) 2023-11-21
AU2019257701A1 (en) 2020-12-03
CA3238617A1 (en) 2019-10-31
KR102474146B1 (ko) 2022-12-06
US20230206934A1 (en) 2023-06-29
US11823696B2 (en) 2023-11-21
AU2021277708B2 (en) 2023-03-30
JP2021515276A (ja) 2021-06-17
ZA202204656B (en) 2023-11-29
JP7493073B2 (ja) 2024-05-30
AR126605A2 (es) 2023-10-25
JP7242767B2 (ja) 2023-03-20
MX2023013465A (es) 2023-12-15
CN114242088A (zh) 2022-03-25
TW202006706A (zh) 2020-02-01
US11823694B2 (en) 2023-11-21
KR20210125108A (ko) 2021-10-15
US20230206933A1 (en) 2023-06-29
AU2023203912A1 (en) 2023-07-13
KR102560473B1 (ko) 2023-07-27
US20230162748A1 (en) 2023-05-25
JP2021157202A (ja) 2021-10-07
CN112204659A (zh) 2021-01-08
US11830509B2 (en) 2023-11-28
US11562759B2 (en) 2023-01-24
KR20200137026A (ko) 2020-12-08
CA3098295C (en) 2022-04-26
CL2020002746A1 (es) 2021-01-29
TW202410027A (zh) 2024-03-01
KR102649124B1 (ko) 2024-03-20
CN114242087A (zh) 2022-03-25
AR128549A2 (es) 2024-05-22
BR112020021809A2 (pt) 2021-02-23
US20230206935A1 (en) 2023-06-29
WO2019210068A1 (en) 2019-10-31
KR20240042120A (ko) 2024-04-01
CA3238615A1 (en) 2019-10-31
AR128548A2 (es) 2024-05-22
US11908486B2 (en) 2024-02-20
TWI820123B (zh) 2023-11-01
RU2021130811A (ru) 2022-03-01
EP3662469A4 (en) 2020-08-19
MX2023013470A (es) 2023-12-15
CN112204659B (zh) 2021-12-17
KR102310937B1 (ko) 2021-10-12

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