RU2725416C1 - Расширение полосы частот гармонического аудиосигнала - Google Patents

Расширение полосы частот гармонического аудиосигнала Download PDF

Info

Publication number
RU2725416C1
RU2725416C1 RU2017103506A RU2017103506A RU2725416C1 RU 2725416 C1 RU2725416 C1 RU 2725416C1 RU 2017103506 A RU2017103506 A RU 2017103506A RU 2017103506 A RU2017103506 A RU 2017103506A RU 2725416 C1 RU2725416 C1 RU 2725416C1
Authority
RU
Russia
Prior art keywords
value
gain
frequency band
band
reconstructed
Prior art date
Application number
RU2017103506A
Other languages
English (en)
Russian (ru)
Inventor
Себастьян НАСЛУНД
Володя ГРАНЧАРОВ
ТОФТГАРД Томас ЯНСОН
Original Assignee
Телефонактиеболагет Лм Эрикссон (Пабл)
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=RU2725416(C1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Телефонактиеболагет Лм Эрикссон (Пабл) filed Critical Телефонактиеболагет Лм Эрикссон (Пабл)
Application granted granted Critical
Publication of RU2725416C1 publication Critical patent/RU2725416C1/ru

Links

Images

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
    • G10L19/02—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
    • G10L19/02—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
    • 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
    • G10L21/0388—Details of processing therefor
    • 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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • 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
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech 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)
RU2017103506A 2012-03-29 2012-12-21 Расширение полосы частот гармонического аудиосигнала RU2725416C1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261617175P 2012-03-29 2012-03-29
US61/617,175 2012-03-29

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
RU2014143463A Division RU2610293C2 (ru) 2012-03-29 2012-12-21 Расширение полосы частот гармонического аудиосигнала

Publications (1)

Publication Number Publication Date
RU2725416C1 true RU2725416C1 (ru) 2020-07-02

Family

ID=47666458

Family Applications (2)

Application Number Title Priority Date Filing Date
RU2014143463A RU2610293C2 (ru) 2012-03-29 2012-12-21 Расширение полосы частот гармонического аудиосигнала
RU2017103506A RU2725416C1 (ru) 2012-03-29 2012-12-21 Расширение полосы частот гармонического аудиосигнала

Family Applications Before (1)

Application Number Title Priority Date Filing Date
RU2014143463A RU2610293C2 (ru) 2012-03-29 2012-12-21 Расширение полосы частот гармонического аудиосигнала

Country Status (12)

Country Link
US (3) US9437202B2 (enExample)
EP (1) EP2831875B1 (enExample)
JP (4) JP5945626B2 (enExample)
KR (2) KR101740219B1 (enExample)
CN (2) CN104221082B (enExample)
ES (1) ES2561603T3 (enExample)
HU (1) HUE028238T2 (enExample)
MY (2) MY197538A (enExample)
PL (1) PL2831875T3 (enExample)
RU (2) RU2610293C2 (enExample)
WO (1) WO2013147668A1 (enExample)
ZA (1) ZA201406340B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104221287B (zh) * 2012-03-29 2017-05-31 瑞典爱立信有限公司 矢量量化器
US9437204B2 (en) * 2012-03-29 2016-09-06 Telefonaktiebolaget Lm Ericsson (Publ) Transform encoding/decoding of harmonic audio signals
MY197538A (en) 2012-03-29 2023-06-22 Ericsson Telefon Ab L M Bandwidth extension of harmonic audio signal
EP2830056A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
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
WO2015105775A1 (en) * 2014-01-07 2015-07-16 Harman International Industries, Incorporated Signal quality-based enhancement and compensation of compressed audio signals
EP3518237B1 (en) 2014-03-14 2022-09-07 Telefonaktiebolaget LM Ericsson (publ) Audio coding method and apparatus
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
ES2808997T3 (es) * 2016-04-12 2021-03-02 Fraunhofer Ges Forschung Codificador de audio para codificar una señal de audio, método para codificar una señal de audio y programa informático en consideración de una región espectral del pico detectada en una banda de frecuencia superior
US10839814B2 (en) * 2017-10-05 2020-11-17 Qualcomm Incorporated Encoding or decoding of audio signals

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000045379A2 (en) * 1999-01-27 2000-08-03 Coding Technologies Sweden Ab Enhancing perceptual performance of sbr and related hfr coding methods by adaptive noise-floor addition and noise substitution limiting
WO2011000780A1 (en) * 2009-06-29 2011-01-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Bandwidth extension encoder, bandwidth extension decoder and phase vocoder
RU2409874C9 (ru) * 2005-11-04 2011-05-20 Нокиа Корпорейшн Сжатие звуковых сигналов
WO2011062538A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Bandwidth extension of a low band audio signal
WO2011129305A1 (ja) * 2010-04-13 2011-10-20 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
RU2010126497A (ru) * 2007-11-29 2012-01-10 Моторола, Инк. (US) Способ и устройство для расширения ширины полосы аудиосигнала
WO2012017621A1 (en) * 2010-08-03 2012-02-09 Sony Corporation Signal processing apparatus and method, and program
RU2010137104A (ru) * 2008-02-07 2012-03-20 Моторола, Инк. (US) Способ и устройство для оценивания энергии полосы высоких частот в системе расширения полосы частот

Family Cites Families (40)

* 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
US20020128839A1 (en) * 2001-01-12 2002-09-12 Ulf Lindgren Speech bandwidth extension
EP1701340B1 (en) * 2001-11-14 2012-08-29 Panasonic Corporation Decoding device, method and program
ATE288617T1 (de) * 2001-11-29 2005-02-15 Coding Tech Ab Wiederherstellung von hochfrequenzkomponenten
WO2004027368A1 (en) * 2002-09-19 2004-04-01 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method
EP2665294A2 (en) * 2003-03-04 2013-11-20 Core Wireless Licensing S.a.r.l. 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
BRPI0520729B1 (pt) 2005-11-04 2019-04-02 Nokia Technologies Oy Método para a codificação e decodificação de sinais de áudio, codificador para codificação e decodificador para decodificar sinais de áudio e sistema para compressão de áudio digital.
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
DE102008015702B4 (de) 2008-01-31 2010-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals
CA2717584C (en) * 2008-03-04 2015-05-12 Lg Electronics Inc. Method and apparatus for processing an audio signal
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
ES2396927T3 (es) * 2008-07-11 2013-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y procedimiento para decodificar una señal de audio codificada
EP2410519B1 (en) * 2008-07-11 2019-09-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for encoding and decoding an audio signal and computer programs
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
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
ATE527759T1 (de) * 2009-05-11 2011-10-15 Harman Becker Automotive Sys Signalanalyse zur verbesserten erkennung von geräuschen aus einem benachbarten kanal
ES2461172T3 (es) * 2009-10-21 2014-05-19 Dolby International Ab Aparato y procedimiento para generar una señal de audio de alta frecuencia usando sobremuestreo adaptativo
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
CN102714041B (zh) * 2009-11-19 2014-04-16 瑞典爱立信有限公司 改进的激励信号带宽扩展
MX2012001696A (es) * 2010-06-09 2012-02-22 Panasonic Corp Metodo de extension de ancho de banda, aparato de extension de ancho de banda, programa, circuito integrado, y aparato de descodificacion de audio.
HUE026874T2 (en) * 2011-03-10 2016-07-28 ERICSSON TELEFON AB L M (publ) Filling of non-coded sub-vectors in transform coded audio signals
EP2697796B1 (en) * 2011-04-15 2015-05-06 Telefonaktiebolaget LM Ericsson (PUBL) Method and a decoder for attenuation of signal regions 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
EP2763137B1 (en) * 2011-09-28 2016-09-14 LG Electronics Inc. Voice signal encoding method and voice signal decoding method
ES2582475T3 (es) * 2011-11-02 2016-09-13 Telefonaktiebolaget Lm Ericsson (Publ) Generación de una extensión de banda ancha de una señal de audio de ancho de banda extendido
MY197538A (en) 2012-03-29 2023-06-22 Ericsson Telefon Ab L M Bandwidth extension of harmonic audio signal
EP2682941A1 (de) * 2012-07-02 2014-01-08 Technische Universität Ilmenau Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne
EP2830056A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000045379A2 (en) * 1999-01-27 2000-08-03 Coding Technologies Sweden Ab Enhancing perceptual performance of sbr and related hfr coding methods by adaptive noise-floor addition and noise substitution limiting
RU2409874C9 (ru) * 2005-11-04 2011-05-20 Нокиа Корпорейшн Сжатие звуковых сигналов
RU2010126497A (ru) * 2007-11-29 2012-01-10 Моторола, Инк. (US) Способ и устройство для расширения ширины полосы аудиосигнала
RU2010137104A (ru) * 2008-02-07 2012-03-20 Моторола, Инк. (US) Способ и устройство для оценивания энергии полосы высоких частот в системе расширения полосы частот
WO2011000780A1 (en) * 2009-06-29 2011-01-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Bandwidth extension encoder, bandwidth extension decoder and phase vocoder
WO2011062538A1 (en) * 2009-11-19 2011-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Bandwidth extension of a low band audio signal
WO2011129305A1 (ja) * 2010-04-13 2011-10-20 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
WO2012017621A1 (en) * 2010-08-03 2012-02-09 Sony Corporation Signal processing apparatus and method, and program

Also Published As

Publication number Publication date
PL2831875T3 (pl) 2016-05-31
RU2610293C2 (ru) 2017-02-08
EP2831875B1 (en) 2015-12-16
US20150088527A1 (en) 2015-03-26
CN104221082B (zh) 2017-03-08
CN104221082A (zh) 2014-12-17
CN106847303B (zh) 2020-10-13
JP6474874B2 (ja) 2019-02-27
EP2831875A1 (en) 2015-02-04
KR101740219B1 (ko) 2017-05-25
RU2014143463A (ru) 2016-05-20
KR20170016033A (ko) 2017-02-10
JP6251773B2 (ja) 2017-12-20
KR101704482B1 (ko) 2017-02-09
US9626978B2 (en) 2017-04-18
ZA201406340B (en) 2016-06-29
JP6474877B2 (ja) 2019-02-27
US9437202B2 (en) 2016-09-06
MY197538A (en) 2023-06-22
ES2561603T3 (es) 2016-02-29
US20160336016A1 (en) 2016-11-17
JP5945626B2 (ja) 2016-07-05
WO2013147668A1 (en) 2013-10-03
US10002617B2 (en) 2018-06-19
HUE028238T2 (en) 2016-12-28
JP2016189012A (ja) 2016-11-04
CN106847303A (zh) 2017-06-13
JP2018041088A (ja) 2018-03-15
JP2018072846A (ja) 2018-05-10
MY167474A (en) 2018-08-29
JP2015516593A (ja) 2015-06-11
KR20140139582A (ko) 2014-12-05
US20170178638A1 (en) 2017-06-22

Similar Documents

Publication Publication Date Title
RU2725416C1 (ru) Расширение полосы частот гармонического аудиосигнала
KR102248252B1 (ko) 대역폭 확장을 위한 고주파수 부호화/복호화 방법 및 장치
TWI321315B (en) Methods of generating a highband excitation signal and apparatus for anti-sparseness filtering
RU2651218C2 (ru) Гармоническое расширение полосы аудиосигналов
TW200820219A (en) Systems, methods, and apparatus for gain factor limiting
CN105264597A (zh) 感知转换音频编码中的噪声填充
US9230551B2 (en) Audio encoder or decoder apparatus
US20190251979A1 (en) Encoding device, decoding device, encoding method, decoding method, and non-transitory computer-readable recording medium
UA114233C2 (uk) Системи та способи для визначення набору коефіцієнтів інтерполяції
HK40108425A (en) Encoder, decoder, encoding method, decoding method, and program