JP5945626B2 - ハーモニックオーディオ信号の帯域幅拡張 - Google Patents

ハーモニックオーディオ信号の帯域幅拡張 Download PDF

Info

Publication number
JP5945626B2
JP5945626B2 JP2015503154A JP2015503154A JP5945626B2 JP 5945626 B2 JP5945626 B2 JP 5945626B2 JP 2015503154 A JP2015503154 A JP 2015503154A JP 2015503154 A JP2015503154 A JP 2015503154A JP 5945626 B2 JP5945626 B2 JP 5945626B2
Authority
JP
Japan
Prior art keywords
gain
value
band
frequency band
peak
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2015503154A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015516593A (ja
JP2015516593A5 (https=
Inventor
セバスチャン ナズランド,
セバスチャン ナズランド,
ヴォロージャ グランチャロブ,
ヴォロージャ グランチャロブ,
トフトガード, トマス ヤンソン,
トフトガード, トマス ヤンソン,
Original Assignee
テレフオンアクチーボラゲット エルエム エリクソン(パブル)
テレフオンアクチーボラゲット エルエム エリクソン(パブル)
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47666458&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP5945626(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by テレフオンアクチーボラゲット エルエム エリクソン(パブル), テレフオンアクチーボラゲット エルエム エリクソン(パブル) filed Critical テレフオンアクチーボラゲット エルエム エリクソン(パブル)
Publication of JP2015516593A publication Critical patent/JP2015516593A/ja
Publication of JP2015516593A5 publication Critical patent/JP2015516593A5/ja
Application granted granted Critical
Publication of JP5945626B2 publication Critical patent/JP5945626B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • 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
    • G10L19/012Comfort noise or silence coding
    • 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
    • G10L19/02Speech 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
    • 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
    • G10L19/02Speech 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
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • 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
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L21/0232Processing in the frequency domain
    • 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
    • G10L21/0316Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • 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
    • G10L21/0316Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • 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
    • G10L21/0388Details of processing therefor
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuits Of Receivers In General (AREA)
JP2015503154A 2012-03-29 2012-12-21 ハーモニックオーディオ信号の帯域幅拡張 Active JP5945626B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261617175P 2012-03-29 2012-03-29
US61/617,175 2012-03-29
PCT/SE2012/051470 WO2013147668A1 (en) 2012-03-29 2012-12-21 Bandwidth extension of harmonic audio signal

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2016107734A Division JP6251773B2 (ja) 2012-03-29 2016-05-30 ハーモニックオーディオ信号の帯域幅拡張

Publications (3)

Publication Number Publication Date
JP2015516593A JP2015516593A (ja) 2015-06-11
JP2015516593A5 JP2015516593A5 (https=) 2016-02-12
JP5945626B2 true JP5945626B2 (ja) 2016-07-05

Family

ID=47666458

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2015503154A Active JP5945626B2 (ja) 2012-03-29 2012-12-21 ハーモニックオーディオ信号の帯域幅拡張
JP2016107734A Active JP6251773B2 (ja) 2012-03-29 2016-05-30 ハーモニックオーディオ信号の帯域幅拡張
JP2017195350A Active JP6474874B2 (ja) 2012-03-29 2017-10-05 ハーモニックオーディオ信号の帯域幅拡張
JP2017227001A Active JP6474877B2 (ja) 2012-03-29 2017-11-27 ハーモニックオーディオ信号の帯域幅拡張

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2016107734A Active JP6251773B2 (ja) 2012-03-29 2016-05-30 ハーモニックオーディオ信号の帯域幅拡張
JP2017195350A Active JP6474874B2 (ja) 2012-03-29 2017-10-05 ハーモニックオーディオ信号の帯域幅拡張
JP2017227001A Active JP6474877B2 (ja) 2012-03-29 2017-11-27 ハーモニックオーディオ信号の帯域幅拡張

Country Status (12)

Country Link
US (3) US9437202B2 (https=)
EP (1) EP2831875B1 (https=)
JP (4) JP5945626B2 (https=)
KR (2) KR101740219B1 (https=)
CN (2) CN106847303B (https=)
ES (1) ES2561603T3 (https=)
HU (1) HUE028238T2 (https=)
MY (2) MY167474A (https=)
PL (1) PL2831875T3 (https=)
RU (2) RU2725416C1 (https=)
WO (1) WO2013147668A1 (https=)
ZA (1) ZA201406340B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016189012A (ja) * 2012-03-29 2016-11-04 テレフオンアクチーボラゲット エルエム エリクソン(パブル) ハーモニックオーディオ信号の帯域幅拡張
TWI791632B (zh) * 2017-10-05 2023-02-11 美商高通公司 用於音訊信號之編碼或解碼之器件、方法、電腦可讀儲存器件以及裝置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2831874B1 (en) 2012-03-29 2017-05-03 Telefonaktiebolaget LM Ericsson (publ) Transform encoding/decoding of harmonic audio signals
IN2014DN07726A (https=) * 2012-03-29 2015-05-15 Ericsson Telefon Ab L M
EP2830054A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
US9666202B2 (en) 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
US10083708B2 (en) 2013-10-11 2018-09-25 Qualcomm Incorporated Estimation of mixing factors to generate high-band excitation signal
US20150149157A1 (en) * 2013-11-22 2015-05-28 Qualcomm Incorporated Frequency domain gain shape estimation
CN105900170B (zh) * 2014-01-07 2020-03-10 哈曼国际工业有限公司 压缩音频信号的以信号质量为基础的增强和补偿
AR099761A1 (es) * 2014-03-14 2016-08-17 ERICSSON TELEFON AB L M (publ) Método y aparato para codificación de audio
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
KR102299193B1 (ko) * 2016-04-12 2021-09-06 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 상부 주파수 대역에서 검출된 피크 스펙트럼 영역을 고려하여 오디오 신호를 부호화하는 오디오 인코더, 오디오 신호를 부호화하는 방법, 및 컴퓨터 프로그램

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5490172A (en) * 1994-07-05 1996-02-06 Airnet Communications Corporation Reducing peak-to-average variance of a composite transmitted signal via out-of-band artifact signaling
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)
US20020128839A1 (en) * 2001-01-12 2002-09-12 Ulf Lindgren Speech bandwidth extension
CN100395817C (zh) * 2001-11-14 2008-06-18 松下电器产业株式会社 编码设备、解码设备和解码方法
DE60202881T2 (de) * 2001-11-29 2006-01-19 Coding Technologies Ab Wiederherstellung von hochfrequenzkomponenten
ATE318405T1 (de) * 2002-09-19 2006-03-15 Matsushita Electric Industrial Co Ltd Audiodecodierungsvorrichtung und -verfahren
EP1611772A1 (en) * 2003-03-04 2006-01-04 Nokia Corporation Support of a multichannel audio extension
JP4899359B2 (ja) * 2005-07-11 2012-03-21 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
CN1960351A (zh) * 2005-10-31 2007-05-09 华为技术有限公司 一种无线通信系统中终端信息发射方法及终端发射机
JP4950210B2 (ja) 2005-11-04 2012-06-13 ノキア コーポレイション オーディオ圧縮
RU2409874C9 (ru) * 2005-11-04 2011-05-20 Нокиа Корпорейшн Сжатие звуковых сигналов
US7546237B2 (en) * 2005-12-23 2009-06-09 Qnx Software Systems (Wavemakers), Inc. Bandwidth extension of narrowband speech
KR20070115637A (ko) * 2006-06-03 2007-12-06 삼성전자주식회사 대역폭 확장 부호화 및 복호화 방법 및 장치
CN101089951B (zh) * 2006-06-16 2011-08-31 北京天籁传音数字技术有限公司 频带扩展编码方法及装置和解码方法及装置
DE102006047197B3 (de) * 2006-07-31 2008-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten
CN101140759B (zh) * 2006-09-08 2010-05-12 华为技术有限公司 语音或音频信号的带宽扩展方法及系统
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 (de) 2008-01-31 2010-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals
US20090201983A1 (en) 2008-02-07 2009-08-13 Motorola, Inc. Method and apparatus for estimating high-band energy in a bandwidth extension system
RU2452042C1 (ru) * 2008-03-04 2012-05-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для обработки аудиосигнала
CN101552005A (zh) * 2008-04-03 2009-10-07 华为技术有限公司 编码方法、解码方法、系统及装置
US8149955B2 (en) * 2008-06-30 2012-04-03 Telefonaktiebolaget L M Ericsson (Publ) Single ended multiband feedback linearized RF amplifier and mixer with DC-offset and IM2 suppression feedback loop
RU2536679C2 (ru) * 2008-07-11 2014-12-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
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
BRPI0910511B1 (pt) * 2008-07-11 2021-06-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Aparelho e método para decodificar e codificar um sinal de áudio
PT2146344T (pt) * 2008-07-17 2016-10-13 Fraunhofer Ges Forschung Esquema de codificação/descodificação de áudio com uma derivação comutável
US8463412B2 (en) * 2008-08-21 2013-06-11 Motorola Mobility Llc Method and apparatus to facilitate determining signal bounding frequencies
JP4818335B2 (ja) 2008-08-29 2011-11-16 株式会社東芝 信号帯域拡張装置
WO2010028297A1 (en) * 2008-09-06 2010-03-11 GH Innovation, Inc. Selective bandwidth extension
WO2010028301A1 (en) * 2008-09-06 2010-03-11 GH Innovation, Inc. Spectrum harmonic/noise sharpness control
US8463599B2 (en) * 2009-02-04 2013-06-11 Motorola Mobility Llc Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder
EP2251984B1 (en) * 2009-05-11 2011-10-05 Harman Becker Automotive Systems GmbH Signal analysis for an improved detection of noise from an adjacent channel
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
CN102648495B (zh) * 2009-10-21 2014-05-28 杜比Ab国际公司 用于利用适应性过取样产生高频音频信号的装置及方法
CN102044250B (zh) * 2009-10-23 2012-06-27 华为技术有限公司 频带扩展方法及装置
WO2011062538A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Bandwidth extension of a low band audio signal
WO2011062536A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Improved excitation signal bandwidth extension
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
BR112012002839B1 (pt) * 2010-06-09 2020-10-13 Panasonic Intellectual Property Corporation Of America método de extensão de largura de banda, aparelho de extensão de largura de banda, circuito integrado e aparelho de decodificação de áudio
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
PL2684190T3 (pl) * 2011-03-10 2016-04-29 Ericsson Telefon Ab L M Wypełnianie niekodowanych podwektorów w sygnałach audio kodowanych transformatowo
DK3067888T3 (en) * 2011-04-15 2017-07-10 ERICSSON TELEFON AB L M (publ) DECODES FOR DIMAGE OF SIGNAL AREAS RECONSTRUCTED WITH LOW ACCURACY
CN102223341B (zh) * 2011-06-21 2013-06-26 西安电子科技大学 无带宽扩展的频域成形ofdm峰均比降低方法
WO2013048171A2 (ko) * 2011-09-28 2013-04-04 엘지전자 주식회사 음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치
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
ES2561603T3 (es) * 2012-03-29 2016-02-29 Telefonaktiebolaget Lm Ericsson (Publ) Extensión del ancho de banda de una señal de audio armónica
EP2682941A1 (de) * 2012-07-02 2014-01-08 Technische Universität Ilmenau Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne
EP2830054A1 (en) * 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016189012A (ja) * 2012-03-29 2016-11-04 テレフオンアクチーボラゲット エルエム エリクソン(パブル) ハーモニックオーディオ信号の帯域幅拡張
US10002617B2 (en) 2012-03-29 2018-06-19 Telefonaktiebolaget Lm Ericsson (Publ) Bandwidth extension of harmonic audio signal
TWI791632B (zh) * 2017-10-05 2023-02-11 美商高通公司 用於音訊信號之編碼或解碼之器件、方法、電腦可讀儲存器件以及裝置

Also Published As

Publication number Publication date
JP6251773B2 (ja) 2017-12-20
US20150088527A1 (en) 2015-03-26
RU2014143463A (ru) 2016-05-20
JP2018041088A (ja) 2018-03-15
JP6474877B2 (ja) 2019-02-27
JP2015516593A (ja) 2015-06-11
ES2561603T3 (es) 2016-02-29
KR20140139582A (ko) 2014-12-05
EP2831875A1 (en) 2015-02-04
JP2018072846A (ja) 2018-05-10
KR101704482B1 (ko) 2017-02-09
KR101740219B1 (ko) 2017-05-25
US9626978B2 (en) 2017-04-18
ZA201406340B (en) 2016-06-29
PL2831875T3 (pl) 2016-05-31
MY167474A (en) 2018-08-29
MY197538A (en) 2023-06-22
CN106847303B (zh) 2020-10-13
JP2016189012A (ja) 2016-11-04
CN106847303A (zh) 2017-06-13
WO2013147668A1 (en) 2013-10-03
HUE028238T2 (en) 2016-12-28
KR20170016033A (ko) 2017-02-10
EP2831875B1 (en) 2015-12-16
US10002617B2 (en) 2018-06-19
RU2725416C1 (ru) 2020-07-02
RU2610293C2 (ru) 2017-02-08
US20160336016A1 (en) 2016-11-17
US9437202B2 (en) 2016-09-06
CN104221082B (zh) 2017-03-08
JP6474874B2 (ja) 2019-02-27
CN104221082A (zh) 2014-12-17
US20170178638A1 (en) 2017-06-22

Similar Documents

Publication Publication Date Title
JP6474877B2 (ja) ハーモニックオーディオ信号の帯域幅拡張
JP6937877B2 (ja) 信号符号化及び復号化方法及び装置
KR101770237B1 (ko) 오디오 데이터 처리 방법, 장치 및 시스템
RU2639952C2 (ru) Гибридное усиление речи с кодированием формы сигнала и параметрическим кодированием
CN114550732B (zh) 一种高频音频信号的编解码方法和相关装置
TW200933608A (en) Systems, methods, and apparatus for context descriptor transmission
WO2015154397A1 (zh) 一种噪声信号的处理和生成方法、编解码器和编解码系统
ES2969736T3 (es) Dispositivo de decodificación y método de decodificación
ES2768719T3 (es) Método para estimar ruido en una señal de audio, estimador de ruido, codificador de audio, decodificador de audio, y sistema para transmitir señales de audio
EP2774148A1 (en) Bandwidth extension of audio signals
HK40070387B (en) Method for encoding and decoding high-frequency audio signal, and related apparatus
HK40070387A (en) Method for encoding and decoding high-frequency audio signal, and related apparatus
ES2737889T3 (es) Codificador, decodificador, procedimiento de codificación, procedimiento de decodificación y programa
CN115428069A (zh) 低音后置滤波器的低成本适配

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20151215

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20151215

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20160414

TRDD Decision of grant or rejection written
A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20160513

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20160520

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20160530

R150 Certificate of patent or registration of utility model

Ref document number: 5945626

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S802 Written request for registration of partial abandonment of right

Free format text: JAPANESE INTERMEDIATE CODE: R311802

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R157 Certificate of patent or utility model (correction)

Free format text: JAPANESE INTERMEDIATE CODE: R157

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250