SE0004163D0 - Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering - Google Patents

Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering

Info

Publication number
SE0004163D0
SE0004163D0 SE0004163A SE0004163A SE0004163D0 SE 0004163 D0 SE0004163 D0 SE 0004163D0 SE 0004163 A SE0004163 A SE 0004163A SE 0004163 A SE0004163 A SE 0004163A SE 0004163 D0 SE0004163 D0 SE 0004163D0
Authority
SE
Sweden
Prior art keywords
high frequency
adaptive filtering
frequency reconstruction
coding methods
perceptual performance
Prior art date
Application number
SE0004163A
Other languages
English (en)
Swedish (sv)
Inventor
Kristofer Kjoerling
Fredrik Henn
Per Ekstrand
Lars Villendes
Original Assignee
Coding Technologies Sweden 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20281813&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE0004163(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Coding Technologies Sweden Ab filed Critical Coding Technologies Sweden Ab
Priority to SE0004163A priority Critical patent/SE0004163D0/xx
Publication of SE0004163D0 publication Critical patent/SE0004163D0/xx
Priority to JP2002543427A priority patent/JP3954495B2/ja
Priority to KR10-2003-7006515A priority patent/KR100517229B1/ko
Priority to AT01983041T priority patent/ATE264533T1/de
Priority to DK01983041T priority patent/DK1342230T3/da
Priority to DE60102838T priority patent/DE60102838T2/de
Priority to PCT/SE2001/002510 priority patent/WO2002041301A1/en
Priority to ES01983041T priority patent/ES2215935T3/es
Priority to EP01983041A priority patent/EP1342230B1/en
Priority to PT01983041T priority patent/PT1342230E/pt
Priority to CNB018205763A priority patent/CN1267890C/zh
Priority to CN2005101160278A priority patent/CN1766993B/zh
Priority to AU2002214496A priority patent/AU2002214496A1/en
Priority to US09/987,475 priority patent/US7003451B2/en
Priority to HK03108654A priority patent/HK1056429A1/xx
Priority to JP2005273150A priority patent/JP2006079106A/ja
Priority to US11/247,176 priority patent/US7433817B2/en

Links

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
SE0004163A 2000-11-14 2000-11-14 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering SE0004163D0 (sv)

Priority Applications (17)

Application Number Priority Date Filing Date Title
SE0004163A SE0004163D0 (sv) 2000-11-14 2000-11-14 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
CN2005101160278A CN1766993B (zh) 2000-11-14 2001-11-13 利用自适应滤波改善高频重建编码方法的感知性能
AU2002214496A AU2002214496A1 (en) 2000-11-14 2001-11-13 Enhancing perceptual performance of high frequency reconstruction coding methodsby adaptive filtering
ES01983041T ES2215935T3 (es) 2000-11-14 2001-11-13 Realizacion perceptual mejorada de metodos de codificacion de reconstruccion de altas frecuencias por filtrado adaptativo.
EP01983041A EP1342230B1 (en) 2000-11-14 2001-11-13 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
AT01983041T ATE264533T1 (de) 2000-11-14 2001-11-13 Verbessern der wahrnehmungsbezogenen leistungsfähigkeit von hochfrequenz- rekonstruktionscodierungsverfahren durch adaptives filtern
DK01983041T DK1342230T3 (da) 2000-11-14 2001-11-13 Forbedring af den perceptuelle præstation af fremgangsmåder til höjfrekvensrekonstruktionskodning ved adaptiv filtrering
DE60102838T DE60102838T2 (de) 2000-11-14 2001-11-13 Verbessern der wahrnehmungsbezogenen leistungsfähigkeit von hochfrequenz-rekonstruktionscodierungsverfahren durch adaptives filtern
PCT/SE2001/002510 WO2002041301A1 (en) 2000-11-14 2001-11-13 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
JP2002543427A JP3954495B2 (ja) 2000-11-14 2001-11-13 適応ろ波による高周波復元符号化方法の知覚性能の強化方法
KR10-2003-7006515A KR100517229B1 (ko) 2000-11-14 2001-11-13 적응형 필터링에 의해 고주파 복원 코딩 방법의 인식성능을 향상시키기 위한 방법 및 장치
PT01983041T PT1342230E (pt) 2000-11-14 2001-11-13 Melhoria do desempenho perceptivo dos metodos codificados de reconstrucao de frequencia elevada por filtragem adaptavel
CNB018205763A CN1267890C (zh) 2000-11-14 2001-11-13 利用自适应滤波改善高频重建编码的设备和方法
US09/987,475 US7003451B2 (en) 2000-11-14 2001-11-14 Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system
HK03108654A HK1056429A1 (en) 2000-11-14 2003-11-27 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
JP2005273150A JP2006079106A (ja) 2000-11-14 2005-09-21 適応ろ波による高周波復元符号化方法の知覚性能の強化方法
US11/247,176 US7433817B2 (en) 2000-11-14 2005-10-12 Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0004163A SE0004163D0 (sv) 2000-11-14 2000-11-14 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering

Publications (1)

Publication Number Publication Date
SE0004163D0 true SE0004163D0 (sv) 2000-11-14

Family

ID=20281813

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0004163A SE0004163D0 (sv) 2000-11-14 2000-11-14 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering

Country Status (14)

Country Link
US (2) US7003451B2 (xx)
EP (1) EP1342230B1 (xx)
JP (2) JP3954495B2 (xx)
KR (1) KR100517229B1 (xx)
CN (2) CN1766993B (xx)
AT (1) ATE264533T1 (xx)
AU (1) AU2002214496A1 (xx)
DE (1) DE60102838T2 (xx)
DK (1) DK1342230T3 (xx)
ES (1) ES2215935T3 (xx)
HK (1) HK1056429A1 (xx)
PT (1) PT1342230E (xx)
SE (1) SE0004163D0 (xx)
WO (1) WO2002041301A1 (xx)

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7742927B2 (en) * 2000-04-18 2010-06-22 France Telecom Spectral enhancing method and device
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US20030108108A1 (en) * 2001-11-15 2003-06-12 Takashi Katayama Decoder, decoding method, and program distribution medium therefor
EP1423847B1 (en) * 2001-11-29 2005-02-02 Coding Technologies AB Reconstruction of high frequency components
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
JP4296752B2 (ja) 2002-05-07 2009-07-15 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
KR100462615B1 (ko) * 2002-07-11 2004-12-20 삼성전자주식회사 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치
DE60327039D1 (de) * 2002-07-19 2009-05-20 Nec Corp Audiodekodierungseinrichtung, dekodierungsverfahren und programm
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
EP1543307B1 (en) 2002-09-19 2006-02-22 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method
KR100917464B1 (ko) * 2003-03-07 2009-09-14 삼성전자주식회사 대역 확장 기법을 이용한 디지털 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치
US7844451B2 (en) * 2003-09-16 2010-11-30 Panasonic Corporation Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums
CN101800049B (zh) * 2003-09-16 2012-05-23 松下电器产业株式会社 编码装置和译码装置
DK1675908T3 (da) * 2003-10-07 2009-04-20 Coloplast As Sammensætning der er nyttig som et adhæsiv samt anvendelse af en sådan sammensætning
US7668711B2 (en) * 2004-04-23 2010-02-23 Panasonic Corporation Coding equipment
KR100608062B1 (ko) * 2004-08-04 2006-08-02 삼성전자주식회사 오디오 데이터의 고주파수 복원 방법 및 그 장치
EP1860649B8 (en) * 2005-02-24 2011-10-05 Panasonic Corporation Data reproduction device
JP5129117B2 (ja) * 2005-04-01 2013-01-23 クゥアルコム・インコーポレイテッド 音声信号の高帯域部分を符号化及び復号する方法及び装置
WO2006116025A1 (en) 2005-04-22 2006-11-02 Qualcomm Incorporated Systems, methods, and apparatus for gain factor smoothing
US7548853B2 (en) * 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
DK1742509T3 (da) * 2005-07-08 2013-11-04 Oticon As Et system og en fremgangsmåde til eliminering af feedback og støj i et høreapparat
US7966190B2 (en) * 2005-07-11 2011-06-21 Lg Electronics Inc. Apparatus and method for processing an audio signal using linear prediction
US8396717B2 (en) 2005-09-30 2013-03-12 Panasonic Corporation Speech encoding apparatus and speech encoding method
WO2007083931A1 (en) * 2006-01-18 2007-07-26 Lg Electronics Inc. Apparatus and method for encoding and decoding signal
EP1827002A1 (en) * 2006-02-22 2007-08-29 Alcatel Lucent Method of controlling an adaptation of a filter
US7590523B2 (en) * 2006-03-20 2009-09-15 Mindspeed Technologies, Inc. Speech post-processing using MDCT coefficients
EP1852848A1 (en) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt GmbH Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
EP1852849A1 (en) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
KR101390188B1 (ko) * 2006-06-21 2014-04-30 삼성전자주식회사 적응적 고주파수영역 부호화 및 복호화 방법 및 장치
US8010352B2 (en) 2006-06-21 2011-08-30 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
US20080109215A1 (en) * 2006-06-26 2008-05-08 Chi-Min Liu High frequency reconstruction by linear extrapolation
US8077821B2 (en) * 2006-09-25 2011-12-13 Zoran Corporation Optimized timing recovery device and method using linear predictor
WO2008053970A1 (fr) * 2006-11-02 2008-05-08 Panasonic Corporation Dispositif de codage de la voix, dispositif de décodage de la voix et leurs procédés
FR2911020B1 (fr) 2006-12-28 2009-05-01 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
FR2911031B1 (fr) * 2006-12-28 2009-04-10 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
DE102007003187A1 (de) 2007-01-22 2008-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines zu sendenden Signals oder eines decodierten Signals
KR101355376B1 (ko) * 2007-04-30 2014-01-23 삼성전자주식회사 고주파수 영역 부호화 및 복호화 방법 및 장치
DK2571024T3 (en) * 2007-08-27 2015-01-05 Ericsson Telefon Ab L M Adaptive transition frequency between the noise filling and bandwidth extension
US9177569B2 (en) 2007-10-30 2015-11-03 Samsung Electronics Co., Ltd. Apparatus, medium and method to encode and decode high frequency signal
KR101373004B1 (ko) * 2007-10-30 2014-03-26 삼성전자주식회사 고주파수 신호 부호화 및 복호화 장치 및 방법
KR100970446B1 (ko) * 2007-11-21 2010-07-16 한국전자통신연구원 주파수 확장을 위한 가변 잡음레벨 결정 장치 및 그 방법
EP2077550B8 (en) * 2008-01-04 2012-03-14 Dolby International AB Audio encoder and decoder
CN101911183A (zh) * 2008-01-11 2010-12-08 日本电气株式会社 信号分析控制、信号分析、信号控制系统、装置以及程序
CN101960514A (zh) 2008-03-14 2011-01-26 日本电气株式会社 信号分析控制系统及其方法、信号控制装置及其方法和程序
US8374854B2 (en) * 2008-03-28 2013-02-12 Southern Methodist University Spatio-temporal speech enhancement technique based on generalized eigenvalue decomposition
JP5773124B2 (ja) * 2008-04-21 2015-09-02 日本電気株式会社 信号分析制御及び信号制御のシステム、装置、方法及びプログラム
US8880410B2 (en) * 2008-07-11 2014-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating a bandwidth extended signal
USRE47180E1 (en) 2008-07-11 2018-12-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating a bandwidth extended signal
KR101239812B1 (ko) * 2008-07-11 2013-03-06 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 대역폭 확장 신호를 생성하기 위한 장치 및 방법
KR101225556B1 (ko) * 2008-08-25 2013-01-23 돌비 레버러토리즈 라이쎈싱 코오포레이션 프리-화이트닝을 사용한 ｌｍｓ 알고리즘에 의해 적응된 적응형 필터의 갱신된 필터 계수를 결정하기 위한 방법
US8532983B2 (en) * 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Adaptive frequency prediction for encoding or decoding an audio signal
US8532998B2 (en) 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Selective bandwidth extension for encoding/decoding audio/speech signal
US8515747B2 (en) * 2008-09-06 2013-08-20 Huawei Technologies Co., Ltd. Spectrum harmonic/noise sharpness control
US8407046B2 (en) * 2008-09-06 2013-03-26 Huawei Technologies Co., Ltd. Noise-feedback for spectral envelope quantization
WO2010031003A1 (en) 2008-09-15 2010-03-18 Huawei Technologies Co., Ltd. Adding second enhancement layer to celp based core layer
US8577673B2 (en) * 2008-09-15 2013-11-05 Huawei Technologies Co., Ltd. CELP post-processing for music signals
GB2466201B (en) * 2008-12-10 2012-07-11 Skype Ltd Regeneration of wideband speech
US9947340B2 (en) * 2008-12-10 2018-04-17 Skype Regeneration of wideband speech
GB0822537D0 (en) 2008-12-10 2009-01-14 Skype Ltd Regeneration of wideband speech
JP5423684B2 (ja) * 2008-12-19 2014-02-19 富士通株式会社 音声帯域拡張装置及び音声帯域拡張方法
UA99878C2 (ru) 2009-01-16 2012-10-10 Долби Интернешнл Аб Гармоническое преобразование, усовершенствованное перекрестным произведением
KR101433701B1 (ko) 2009-03-17 2014-08-28 돌비 인터네셔널 에이비 적응형으로 선택가능한 좌／우 또는 미드／사이드 스테레오 코딩과 파라메트릭 스테레오 코딩의 조합에 기초한 진보된 스테레오 코딩
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI556227B (zh) 2009-05-27 2016-11-01 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
WO2011001578A1 (ja) * 2009-06-29 2011-01-06 パナソニック株式会社 通信装置
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
JP5771618B2 (ja) 2009-10-19 2015-09-02 ドルビー・インターナショナル・アーベー 音声オブジェクトの区分を示すメタデータ時間標識情報
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
CN103155033B (zh) * 2010-07-19 2014-10-22 杜比国际公司 高频重建期间的音频信号处理
US9047875B2 (en) 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
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
CA3191597C (en) 2010-09-16 2024-01-02 Dolby International Ab Cross product enhanced subband block based harmonic transposition
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
US9117440B2 (en) 2011-05-19 2015-08-25 Dolby International Ab Method, apparatus, and medium for detecting frequency extension coding in the coding history of an audio signal
EP3544006A1 (en) 2011-11-11 2019-09-25 Dolby International AB Upsampling using oversampled sbr
CN103366751B (zh) * 2012-03-28 2015-10-14 北京天籁传音数字技术有限公司 一种声音编解码装置及其方法
CN103366749B (zh) * 2012-03-28 2016-01-27 北京天籁传音数字技术有限公司 一种声音编解码装置及其方法
EP2682941A1 (de) * 2012-07-02 2014-01-08 Technische Universität Ilmenau Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne
MX346945B (es) 2013-01-29 2017-04-06 Fraunhofer Ges Forschung Aparato y metodo para generar una señal de refuerzo de frecuencia mediante una operacion de limitacion de energia.
US9881624B2 (en) 2013-05-15 2018-01-30 Samsung Electronics Co., Ltd. Method and device for encoding and decoding audio signal
EP2830061A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
KR101406748B1 (ko) * 2013-08-13 2014-06-17 한국광성전자 주식회사 디지털 오디오 음질 개선 장치
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
KR102064890B1 (ko) * 2013-10-22 2020-02-11 삼성전자 주식회사 내부 및 외부 메모리를 선택적으로 사용하는 harq 데이터 처리 장치 및 그 처리 방법
US9293143B2 (en) * 2013-12-11 2016-03-22 Qualcomm Incorporated Bandwidth extension mode selection
JP6593173B2 (ja) 2013-12-27 2019-10-23 ソニー株式会社 復号化装置および方法、並びにプログラム
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
CN111312278B (zh) 2014-03-03 2023-08-15 三星电子株式会社 用于带宽扩展的高频解码的方法及设备
KR20240046298A (ko) 2014-03-24 2024-04-08 삼성전자주식회사 고대역 부호화방법 및 장치와 고대역 복호화 방법 및 장치
CN107851442B (zh) * 2015-04-13 2021-07-20 日本电信电话株式会社 匹配装置、判定装置、它们的方法、程序及记录介质
JP6611042B2 (ja) * 2015-12-02 2019-11-27 パナソニックＩｐマネジメント株式会社 音声信号復号装置及び音声信号復号方法
US10825467B2 (en) * 2017-04-21 2020-11-03 Qualcomm Incorporated Non-harmonic speech detection and bandwidth extension in a multi-source environment
WO2019081070A1 (en) * 2017-10-27 2019-05-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. APPARATUS, METHOD, OR COMPUTER PROGRAM PRODUCT FOR GENERATING ENHANCED BANDWIDTH AUDIO SIGNAL USING NEURAL NETWORK PROCESSOR
TWI702594B (zh) * 2018-01-26 2020-08-21 瑞典商都比國際公司 用於音訊信號之高頻重建技術之回溯相容整合
CN108630212B (zh) * 2018-04-03 2021-05-07 湖南商学院 非盲带宽扩展中高频激励信号的感知重建方法与装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361875A (en) * 1980-06-23 1982-11-30 Bell Telephone Laboratories, Incorporated Multiple tone detector and locator
EP0208712B1 (en) * 1984-12-20 1993-04-07 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
US4776014A (en) * 1986-09-02 1988-10-04 General Electric Company Method for pitch-aligned high-frequency regeneration in RELP vocoders
US5127054A (en) * 1988-04-29 1992-06-30 Motorola, Inc. Speech quality improvement for voice coders and synthesizers
EP0805564A3 (en) * 1991-08-02 1999-10-13 Sony Corporation Digital encoder with dynamic quantization bit allocation
JP3144009B2 (ja) * 1991-12-24 2001-03-07 日本電気株式会社 音声符号復号化装置
US5347611A (en) * 1992-01-17 1994-09-13 Telogy Networks Inc. Apparatus and method for transparent tone passing over narrowband digital channels
GB2281680B (en) * 1993-08-27 1998-08-26 Motorola Inc A voice activity detector for an echo suppressor and an echo suppressor
US5915235A (en) * 1995-04-28 1999-06-22 Dejaco; Andrew P. Adaptive equalizer preprocessor for mobile telephone speech coder to modify nonideal frequency response of acoustic transducer
US5822360A (en) * 1995-09-06 1998-10-13 Solana Technology Development Corporation Method and apparatus for transporting auxiliary data in audio signals
US6035177A (en) * 1996-02-26 2000-03-07 Donald W. Moses Simultaneous transmission of ancillary and audio signals by means of perceptual coding
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US5995561A (en) * 1996-04-10 1999-11-30 Silicon Systems, Inc. Method and apparatus for reducing noise correlation in a partial response channel
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)
US6249762B1 (en) * 1999-04-01 2001-06-19 The United States Of America As Represented By The Secretary Of The Navy Method for separation of data into narrowband and broadband time series components
US6574593B1 (en) * 1999-09-22 2003-06-03 Conexant Systems, Inc. Codebook tables for encoding and decoding
DE60019268T2 (de) * 1999-11-16 2006-02-02 Koninklijke Philips Electronics N.V. Breitbandiges audio-übertragungssystem
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
JP4067762B2 (ja) * 2000-12-28 2008-03-26 ヤマハ株式会社 歌唱合成装置

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