BR112012024360A2 - processamento de sinais de áudio durante uma reconstrução de alta frequência - Google Patents

processamento de sinais de áudio durante uma reconstrução de alta frequência

Info

Publication number
BR112012024360A2
BR112012024360A2 BR112012024360A BR112012024360A BR112012024360A2 BR 112012024360 A2 BR112012024360 A2 BR 112012024360A2 BR 112012024360 A BR112012024360 A BR 112012024360A BR 112012024360 A BR112012024360 A BR 112012024360A BR 112012024360 A2 BR112012024360 A2 BR 112012024360A2
Authority
BR
Brazil
Prior art keywords
high frequency
subband signals
frequency subband
target
low frequency
Prior art date
Application number
BR112012024360A
Other languages
English (en)
Other versions
BR112012024360B1 (pt
Inventor
Kristofer Kjoerling
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
Priority to BR122019024695-5A priority Critical patent/BR122019024695B1/pt
Publication of BR112012024360A2 publication Critical patent/BR112012024360A2/pt
Publication of BR112012024360B1 publication Critical patent/BR112012024360B1/pt

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Abstract

processamento de sinais de áudio durante uma reconstrução de alta frequência. o presente pedido se refere a uma reconstrução/regeneração de alta frequência (hfr) de sinais de áudio. em particular, o presente pedido se refere a um método e sistema para a execução da reconstrução hfr de sinais de áudio com grandes variações no nível dce energia através da faixa de baixa frequência que é usada para reconstruir as altas frequências do sinal de áudio. um sistema configurado de modoi a gerar uma pluralidade de sinais de sub-banda de alta frequência que cobrem um intervalo de alta frequência dentre uma pluralidade de sinais de sub-banda de baixa frequência é descrito. o sistema compreende um meio para o recebimento da pluralidade de sinais de sub-banda de baixa frequência; um meio para o recebemento de um conjunto de energias alvo, cada energia alvo cobrindo um intervalo alvo diferente dentro do intervalo de alta frequência e sendo indicativa da energia desejada de um ou mais sinais de sub-banda de alta frequência que se encontram dentro do intervalo alvo; um meio para a geração da pluralidade de sinais de sub-banda de alta frequência dentre a pluralidade de sinais de sub-banda de baixa frequência e dentre uma pluralidade de coeficientes de ganho espectral associados à pluralidade de sinais de sub-banda de baixa frequência, respectivamente; e um meio para o ajuste da energia da pluralidade de sinais de sub-banda de alta frequência utilizando o conjunto de energia alvo.
BR112012024360-8A 2010-07-19 2011-07-14 sistema configurado para gerar uma pluralidade de sinais de áudio de sub-banda de alta frequência, decodificador de áudio, codificador, método para gerar uma pluralidade de sinais de sub-banda de alta frequência, método para decodificar um fluxo de bits, método para gerar dados de controle a partir de um sinal de áudio e meio de armazenamento BR112012024360B1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122019024695-5A BR122019024695B1 (pt) 2010-07-19 2011-07-14 Sistema configurado para gerar uma pluralidade de sinais de áudio de sub-banda de alta frequência, decodificador de áudio, método para gerar uma pluralidade de sinais de sub-banda de alta frequência, método para decodificar um fluxo de bits e meio de armazenamento

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US36551810P 2010-07-19 2010-07-19
US61/365,518 2010-07-19
US38672510P 2010-09-27 2010-09-27
US61/386,725 2010-09-27
PCT/EP2011/062068 WO2012010494A1 (en) 2010-07-19 2011-07-14 Processing of audio signals during high frequency reconstruction

Publications (2)

Publication Number Publication Date
BR112012024360A2 true BR112012024360A2 (pt) 2016-05-24
BR112012024360B1 BR112012024360B1 (pt) 2020-11-03

Family

ID=44514661

Family Applications (2)

Application Number Title Priority Date Filing Date
BR112012024360-8A BR112012024360B1 (pt) 2010-07-19 2011-07-14 sistema configurado para gerar uma pluralidade de sinais de áudio de sub-banda de alta frequência, decodificador de áudio, codificador, método para gerar uma pluralidade de sinais de sub-banda de alta frequência, método para decodificar um fluxo de bits, método para gerar dados de controle a partir de um sinal de áudio e meio de armazenamento
BR122019024695-5A BR122019024695B1 (pt) 2010-07-19 2011-07-14 Sistema configurado para gerar uma pluralidade de sinais de áudio de sub-banda de alta frequência, decodificador de áudio, método para gerar uma pluralidade de sinais de sub-banda de alta frequência, método para decodificar um fluxo de bits e meio de armazenamento

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR122019024695-5A BR122019024695B1 (pt) 2010-07-19 2011-07-14 Sistema configurado para gerar uma pluralidade de sinais de áudio de sub-banda de alta frequência, decodificador de áudio, método para gerar uma pluralidade de sinais de sub-banda de alta frequência, método para decodificar um fluxo de bits e meio de armazenamento

Country Status (19)

Country Link
US (6) US9117459B2 (pt)
EP (11) EP3544007B1 (pt)
JP (9) JP5753893B2 (pt)
KR (12) KR102632248B1 (pt)
CN (2) CN103155033B (pt)
AU (8) AU2011281735B2 (pt)
BR (2) BR112012024360B1 (pt)
CA (10) CA2920930C (pt)
CL (1) CL2012002699A1 (pt)
DK (2) DK2765572T3 (pt)
ES (10) ES2798144T3 (pt)
HK (3) HK1199973A1 (pt)
MX (1) MX2012010854A (pt)
MY (2) MY154277A (pt)
NO (1) NO2765572T3 (pt)
PL (10) PL2596497T3 (pt)
RU (3) RU2530254C2 (pt)
SG (3) SG10201505469SA (pt)
WO (1) WO2012010494A1 (pt)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8971551B2 (en) 2009-09-18 2015-03-03 Dolby International Ab Virtual bass synthesis using harmonic transposition
JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5609737B2 (ja) 2010-04-13 2014-10-22 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
PL2596497T3 (pl) 2010-07-19 2014-10-31 Dolby Int Ab Przetwarzanie sygnałów audio podczas rekonstrukcji wysokiej częstotliwości
JP6075743B2 (ja) 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
JP5707842B2 (ja) 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
EP2830062B1 (en) * 2012-03-21 2019-11-20 Samsung Electronics Co., Ltd. Method and apparatus for high-frequency encoding/decoding for bandwidth extension
US9173041B2 (en) * 2012-05-31 2015-10-27 Purdue Research Foundation Enhancing perception of frequency-lowered speech
JP5894347B2 (ja) * 2012-10-15 2016-03-30 ドルビー・インターナショナル・アーベー 転移器に基づく仮想ベース・システムにおけるレイテンシーを低減するシステムおよび方法
RU2665228C1 (ru) * 2013-04-05 2018-08-28 Долби Интернэшнл Аб Аудиокодер и декодер для кодирования по форме волны с перемежением
JP6305694B2 (ja) * 2013-05-31 2018-04-04 クラリオン株式会社 信号処理装置及び信号処理方法
SG11201510164RA (en) 2013-06-10 2016-01-28 Fraunhofer Ges Forschung Apparatus and method for audio signal envelope encoding, processing and decoding by splitting the audio signal envelope employing distribution quantization and coding
EP3008726B1 (en) 2013-06-10 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for audio signal envelope encoding, processing and decoding by modelling a cumulative sum representation employing distribution quantization and coding
RU2658892C2 (ru) * 2013-06-11 2018-06-25 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для расширения диапазона частот для акустических сигналов
RU2642894C2 (ru) * 2013-06-21 2018-01-29 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиодекодер, имеющий модуль расширения полосы частот с модулем регулирования энергии
TWI557726B (zh) * 2013-08-29 2016-11-11 杜比國際公司 用於決定音頻信號的高頻帶信號的主比例因子頻帶表之系統和方法
US9666202B2 (en) * 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
JP6531649B2 (ja) 2013-09-19 2019-06-19 ソニー株式会社 符号化装置および方法、復号化装置および方法、並びにプログラム
US10163447B2 (en) * 2013-12-16 2018-12-25 Qualcomm Incorporated High-band signal modeling
RU2764260C2 (ru) 2013-12-27 2022-01-14 Сони Корпорейшн Устройство и способ декодирования
US20150194157A1 (en) * 2014-01-06 2015-07-09 Nvidia Corporation System, method, and computer program product for artifact reduction in high-frequency regeneration audio signals
CN105096957B (zh) 2014-04-29 2016-09-14 华为技术有限公司 处理信号的方法及设备
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
TWI693594B (zh) 2015-03-13 2020-05-11 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
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
CN110945494A (zh) * 2017-07-28 2020-03-31 杜比实验室特许公司 向客户端提供媒体内容的方法和系统
KR20200099561A (ko) 2017-12-19 2020-08-24 돌비 인터네셔널 에이비 통합 음성 및 오디오 디코딩 및 인코딩 개선을 위한 방법, 장치 및 시스템
TWI809289B (zh) 2018-01-26 2023-07-21 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
US11523238B2 (en) * 2018-04-04 2022-12-06 Harman International Industries, Incorporated Dynamic audio upmixer parameters for simulating natural spatial variations
CN114242089A (zh) 2018-04-25 2022-03-25 杜比国际公司 具有减少后处理延迟的高频重建技术的集成
AU2019258524B2 (en) 2018-04-25 2024-03-28 Dolby International Ab Integration of high frequency audio reconstruction techniques
CN117079657B (zh) * 2023-10-16 2024-01-26 中国铁塔股份有限公司 压限处理方法、装置、电子设备及可读存储介质

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986003872A1 (en) 1984-12-20 1986-07-03 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
DE3912605B4 (de) 1989-04-17 2008-09-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
US6385573B1 (en) * 1998-08-24 2002-05-07 Conexant Systems, Inc. Adaptive tilt compensation for synthesized speech residual
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)
CN1264382C (zh) 1999-12-24 2006-07-12 皇家菲利浦电子有限公司 多通道音频信号处理装置和方法
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
SE0004187D0 (sv) * 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
SE0004818D0 (sv) 2000-12-22 2000-12-22 Coding Technologies Sweden Ab Enhancing source coding systems by adaptive transposition
JP3870193B2 (ja) * 2001-11-29 2007-01-17 コーディング テクノロジーズ アクチボラゲット 高周波再構成に用いる符号器、復号器、方法及びコンピュータプログラム
US20030187663A1 (en) * 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
JP2004010415A (ja) 2002-06-06 2004-01-15 Kawasaki Refract Co Ltd マグクロ質吹き付け補修材
JP3579047B2 (ja) * 2002-07-19 2004-10-20 日本電気株式会社 オーディオ復号装置と復号方法およびプログラム
JP4313993B2 (ja) 2002-07-19 2009-08-12 パナソニック株式会社 オーディオ復号化装置およびオーディオ復号化方法
EP1543307B1 (en) 2002-09-19 2006-02-22 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method
WO2004051627A1 (en) 2002-11-29 2004-06-17 Koninklijke Philips Electronics N.V. Audio coding
KR100524065B1 (ko) 2002-12-23 2005-10-26 삼성전자주식회사 시간-주파수 상관성을 이용한 개선된 오디오 부호화및/또는 복호화 방법과 그 장치
US7318035B2 (en) 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
JP2005040749A (ja) 2003-07-25 2005-02-17 Toyo Ink Mfg Co Ltd 紫外線硬化型塗料組成物の硬化方法
BRPI0415464B1 (pt) 2003-10-23 2019-04-24 Panasonic Intellectual Property Management Co., Ltd. Aparelho e método de codificação de espectro.
BR122018007834B1 (pt) * 2003-10-30 2019-03-19 Koninklijke Philips Electronics N.V. Codificador e decodificador de áudio avançado de estéreo paramétrico combinado e de replicação de banda espectral, método de codificação avançada de áudio de estéreo paramétrico combinado e de replicação de banda espectral, sinal de áudio avançado codificado de estéreo paramétrico combinado e de replicação de banda espectral, método de decodificação avançada de áudio de estéreo paramétrico combinado e de replicação de banda espectral, e, meio de armazenamento legível por computador
CN1930914B (zh) 2004-03-04 2012-06-27 艾格瑞系统有限公司 对多声道音频信号进行编码和合成的方法和装置
RU2381571C2 (ru) * 2004-03-12 2010-02-10 Нокиа Корпорейшн Синтезирование монофонического звукового сигнала на основе кодированного многоканального звукового сигнала
WO2006003813A1 (ja) 2004-07-02 2006-01-12 Matsushita Electric Industrial Co., Ltd. オーディオ符号化及び復号化装置
WO2007037361A1 (ja) * 2005-09-30 2007-04-05 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
US20080071550A1 (en) * 2006-09-18 2008-03-20 Samsung Electronics Co., Ltd. Method and apparatus to encode and decode audio signal by using bandwidth extension technique
PL3288027T3 (pl) 2006-10-25 2021-10-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie i sposób do generowania wartości podpasm audio o wartościach zespolonych
US8295507B2 (en) * 2006-11-09 2012-10-23 Sony Corporation Frequency band extending apparatus, frequency band extending method, player apparatus, playing method, program and recording medium
US8189812B2 (en) * 2007-03-01 2012-05-29 Microsoft Corporation Bass boost filtering techniques
KR101355376B1 (ko) * 2007-04-30 2014-01-23 삼성전자주식회사 고주파수 영역 부호화 및 복호화 방법 및 장치
CN101790756B (zh) 2007-08-27 2012-09-05 爱立信电话股份有限公司 瞬态检测器以及用于支持音频信号的编码的方法
JP5098530B2 (ja) 2007-09-12 2012-12-12 富士通株式会社 復号化装置、復号化方法および復号化プログラム
DE602007008429D1 (de) * 2007-10-01 2010-09-23 Harman Becker Automotive Sys Effiziente Audiosignalverarbeitung im Subbandbereich, Verfahren, Vorrichtung und dazugehöriges Computerprogramm
CN101868821B (zh) * 2007-11-21 2015-09-23 Lg电子株式会社 用于处理信号的方法和装置
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
CN101903944B (zh) * 2007-12-18 2013-04-03 Lg电子株式会社 用于处理音频信号的方法和装置
ATE518224T1 (de) * 2008-01-04 2011-08-15 Dolby Int Ab Audiokodierer und -dekodierer
KR101413968B1 (ko) * 2008-01-29 2014-07-01 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
CA2729474C (en) * 2008-07-11 2015-09-01 Frederik Nagel Apparatus and method for generating a bandwidth extended signal
CN102099855B (zh) 2008-08-08 2012-09-26 松下电器产业株式会社 频谱平滑化装置、编码装置、解码装置、通信终端装置、基站装置以及频谱平滑化方法
JP2010079275A (ja) 2008-08-29 2010-04-08 Sony Corp 周波数帯域拡大装置及び方法、符号化装置及び方法、復号化装置及び方法、並びにプログラム
PL3598447T3 (pl) * 2009-01-16 2022-02-14 Dolby International Ab Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
DK2211339T3 (en) * 2009-01-23 2017-08-28 Oticon As listening System
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
JP4945586B2 (ja) * 2009-02-02 2012-06-06 株式会社東芝 信号帯域拡張装置
EP2239732A1 (en) * 2009-04-09 2010-10-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
CN101521014B (zh) * 2009-04-08 2011-09-14 武汉大学 音频带宽扩展编解码装置
WO2011047887A1 (en) * 2009-10-21 2011-04-28 Dolby International Ab Oversampling in a combined transposer filter bank
TWI591625B (zh) * 2009-05-27 2017-07-11 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
JP5844266B2 (ja) * 2009-10-21 2016-01-13 ドルビー・インターナショナル・アクチボラゲットＤｏｌｂｙ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ａｂ 適応オーバーサンプリングを用いる高周波数オーディオ信号を発生させるための装置および方法
US9047875B2 (en) * 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
PL2596497T3 (pl) 2010-07-19 2014-10-31 Dolby Int Ab Przetwarzanie sygnałów audio podczas rekonstrukcji wysokiej częstotliwości

Also Published As

Publication number Publication date
KR102304093B1 (ko) 2021-09-23
PL2765572T3 (pl) 2018-01-31
AU2011281735B2 (en) 2014-07-24
EP2765572B1 (en) 2017-08-30
RU2659487C2 (ru) 2018-07-02
EP3291230A1 (en) 2018-03-07
KR20210118205A (ko) 2021-09-29
CL2012002699A1 (es) 2012-12-14
CA3087957A1 (en) 2012-01-26
JP7114791B2 (ja) 2022-08-08
KR20120123720A (ko) 2012-11-09
PL3544009T3 (pl) 2020-10-19
KR20200035175A (ko) 2020-04-01
EP4016527B1 (en) 2023-02-22
PL3544007T3 (pl) 2020-11-02
DK2765572T3 (da) 2017-11-06
PL2596497T3 (pl) 2014-10-31
CA3234274A1 (en) 2012-01-26
PL4016527T3 (pl) 2023-05-22
KR20170020555A (ko) 2017-02-22
RU2758466C2 (ru) 2021-10-28
PL3544008T3 (pl) 2020-08-24
JP5753893B2 (ja) 2015-07-22
KR101478506B1 (ko) 2015-01-06
BR112012024360B1 (pt) 2020-11-03
CA3203400A1 (en) 2012-01-26
CN103155033B (zh) 2014-10-22
KR20200110478A (ko) 2020-09-23
CN103155033A (zh) 2013-06-12
ES2644974T3 (es) 2017-12-01
PL3723089T3 (pl) 2022-04-25
DK2596497T3 (da) 2014-07-21
CA3163657A1 (en) 2012-01-26
PL3288032T3 (pl) 2019-08-30
EP3288032B1 (en) 2019-04-17
ES2807248T3 (es) 2021-02-22
JP6845962B2 (ja) 2021-03-24
KR20190112824A (ko) 2019-10-07
US11568880B2 (en) 2023-01-31
AU2016202767B2 (en) 2018-05-17
KR102438565B1 (ko) 2022-08-30
KR20130127552A (ko) 2013-11-22
CA3146617C (en) 2022-08-02
EP3544008B1 (en) 2020-05-20
JP2023053242A (ja) 2023-04-12
RU2012141098A (ru) 2014-05-10
AU2023202541A1 (en) 2023-05-11
AU2022215250B2 (en) 2023-02-02
JP2021092811A (ja) 2021-06-17
US20210366494A1 (en) 2021-11-25
PL3291230T3 (pl) 2019-08-30
BR122019024695B1 (pt) 2024-02-20
JP6727374B2 (ja) 2020-07-22
CA3027803C (en) 2020-04-07
ES2712304T3 (es) 2019-05-10
KR20220123333A (ko) 2022-09-06
US20150317986A1 (en) 2015-11-05
KR20180108871A (ko) 2018-10-04
JP2013531265A (ja) 2013-08-01
KR101964180B1 (ko) 2019-04-01
CA2792011C (en) 2016-04-26
ES2727460T3 (es) 2019-10-16
ES2798144T3 (es) 2020-12-09
RU2018120544A3 (pt) 2021-08-17
ES2908348T3 (es) 2022-04-28
EP2596497B1 (en) 2014-05-28
US20190221220A1 (en) 2019-07-18
JP6523234B2 (ja) 2019-05-29
MX2012010854A (es) 2012-10-15
CA2920930A1 (en) 2012-01-26
AU2014203424A1 (en) 2014-07-10
US20170178665A1 (en) 2017-06-22
KR20170130627A (ko) 2017-11-28
ES2484795T3 (es) 2014-08-12
CA3072785A1 (en) 2012-01-26
AU2018214048B2 (en) 2020-07-30
EP3291230B1 (en) 2019-04-17
ES2801324T3 (es) 2021-01-11
CA3163657C (en) 2023-08-15
CA2920930C (en) 2019-01-29
JP2022031889A (ja) 2022-02-22
EP3544009A1 (en) 2019-09-25
EP2765572A1 (en) 2014-08-13
KR20240023667A (ko) 2024-02-22
JP2022141919A (ja) 2022-09-29
JP6993523B2 (ja) 2022-01-13
AU2021277643B2 (en) 2022-05-12
ES2942867T3 (es) 2023-06-07
AU2022215250A1 (en) 2022-09-01
EP3544007B1 (en) 2020-06-17
SG183501A1 (en) 2012-09-27
KR102159194B1 (ko) 2020-09-23
KR101709095B1 (ko) 2017-03-08
PL3285258T3 (pl) 2019-05-31
RU2530254C2 (ru) 2014-10-10
AU2011281735A1 (en) 2012-09-13
JP2017062483A (ja) 2017-03-30
CN104575517A (zh) 2015-04-29
JP7345694B2 (ja) 2023-09-15
US9911431B2 (en) 2018-03-06
US11031019B2 (en) 2021-06-08
AU2020233759B2 (en) 2021-09-16
HK1199973A1 (en) 2015-07-24
EP3544008A1 (en) 2019-09-25
MY154277A (en) 2015-05-29
CA3203400C (en) 2023-09-26
US9640184B2 (en) 2017-05-02
EP4016527A1 (en) 2022-06-22
EP3288032A1 (en) 2018-02-28
US20180144753A1 (en) 2018-05-24
KR101907017B1 (ko) 2018-12-05
JP2019144584A (ja) 2019-08-29
AU2020233759A1 (en) 2020-10-08
US10283122B2 (en) 2019-05-07
HK1249798B (zh) 2020-04-24
CN104575517B (zh) 2018-06-01
JP2023162400A (ja) 2023-11-08
CA3209829A1 (en) 2012-01-26
JP2015111277A (ja) 2015-06-18
JP7228737B2 (ja) 2023-02-24
AU2021277643A1 (en) 2021-12-23
KR20190034361A (ko) 2019-04-01
AU2014203424B2 (en) 2016-02-11
EP3723089A1 (en) 2020-10-14
EP3723089B1 (en) 2022-01-19
ES2727300T3 (es) 2019-10-15
HK1249653B (zh) 2020-01-03
EP3285258A1 (en) 2018-02-21
SG10202107800UA (en) 2021-09-29
MY177748A (en) 2020-09-23
KR102632248B1 (ko) 2024-02-02
CA3072785C (en) 2020-09-01
KR102026677B1 (ko) 2019-09-30
EP3544009B1 (en) 2020-05-27
EP3544007A1 (en) 2019-09-25
JP2020170186A (ja) 2020-10-15
EP3285258B1 (en) 2018-12-19
CA3087957C (en) 2022-03-22
CA3027803A1 (en) 2012-01-26
KR102095385B1 (ko) 2020-03-31
US20120328124A1 (en) 2012-12-27
KR101803849B1 (ko) 2017-12-04
JP6035356B2 (ja) 2016-11-30
RU2018120544A (ru) 2019-12-04
SG10201505469SA (en) 2015-08-28
US9117459B2 (en) 2015-08-25
CA3146617A1 (en) 2012-01-26
CA2792011A1 (en) 2012-01-26
AU2016202767A1 (en) 2016-05-19
NO2765572T3 (pt) 2018-01-27
EP4210051A1 (en) 2023-07-12
AU2018214048A1 (en) 2018-08-23
WO2012010494A1 (en) 2012-01-26
RU2014127177A (ru) 2016-02-10
EP2596497A1 (en) 2013-05-29

Similar Documents

Publication Publication Date Title
BR112012024360A2 (pt) processamento de sinais de áudio durante uma reconstrução de alta frequência
BR112012017977A2 (pt) aparelhos e sistemas para gerar ondas de choque de alta frequência, e métodos de uso.
BR112013020482A2 (pt) aparelho e método para processar um sinal de áudio decodificado em um domínio espectral
MY178066A (en) Method and apparatus for performing analog-to-digital conversion on multiple input signals
MX2009003564A (es) Aparato y metodo para transformacion de parametro multicanal.
CO6341677A2 (es) Un aparato y un metodo para generar datos de salida por ampliacion de ancho de banda
BR112015020150A2 (pt) aparelho para gerar um sinal de fala, e, método para gerar um sinal de fala
BRPI1007050A2 (pt) transposição harmônica aprimorada para produtos cruzados.
WO2015056003A3 (en) Apparatus and method using ultrasounds for gas conversion
BR112013029850A2 (pt) sistema de áudio e método de operação de um sistema de áudio
MX2022000893A (es) Metodo de obtencion de mitocondrias de celulas y mitocondrias obtenidas.
EA201791047A1 (ru) Система и способ регулирования для систем и способов генерирования мощности
WO2013012441A3 (en) Method, system, and apparatus for cranial anatomy evaluation
JP2017537710A5 (pt)
BR112015011878A2 (pt) sistema, método implementado em processador e artigo
MY172161A (en) Apparatus and method for generating a frequency enhanced signal using shaping of the enhancement signal
BR112014017591A8 (pt) Método e dispositivo para o processamento de sinais de som subaquáticos
GB201213702D0 (en) Data processing method and apparatus
WO2013057659A3 (en) Signal noise attenuation
BR112013027080A2 (pt) método e aparelho para caracterizar integridade de equipamento de controle de processo
GB201012234D0 (en) Dynamic community generator
IN2013MU02222A (pt)
UA106415C2 (ru) Обработка звуковых сигналов в ходе высокочастотной реконструкции
Gu et al. Fault diagnosis of the wind turbine main bearing through multifractal theory
Gamayunov et al. Toward a System-Based Approach to Electromagnetic Ion Cyclotron Waves in Earth's Magnetosphere

Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/07/2011, OBSERVADAS AS CONDICOES LEGAIS.

B25G Requested change of headquarter approved

Owner name: DOLBY INTERNATIONAL AB (IE)