ATE399361T1 - Verfahren und anordnung zur grundfrequenzverbesserung eines decodierten sprachsignals - Google Patents

Verfahren und anordnung zur grundfrequenzverbesserung eines decodierten sprachsignals

Info

Publication number
ATE399361T1
ATE399361T1 AT03727092T AT03727092T ATE399361T1 AT E399361 T1 ATE399361 T1 AT E399361T1 AT 03727092 T AT03727092 T AT 03727092T AT 03727092 T AT03727092 T AT 03727092T AT E399361 T1 ATE399361 T1 AT E399361T1
Authority
AT
Austria
Prior art keywords
post
sub
processing
improving
arrangement
Prior art date
Application number
AT03727092T
Other languages
English (en)
Inventor
Bruno Bessette
Claude Laflamme
Milan Jelinek
Roch Lefebvre
Original Assignee
Voiceage Corp
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=29589086&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE399361(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voiceage Corp filed Critical Voiceage Corp
Application granted granted Critical
Publication of ATE399361T1 publication Critical patent/ATE399361T1/de

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
    • G10L19/04—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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Inorganic Fibers (AREA)
  • Executing Machine-Instructions (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT03727092T 2002-05-31 2003-05-30 Verfahren und anordnung zur grundfrequenzverbesserung eines decodierten sprachsignals ATE399361T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002388352A CA2388352A1 (en) 2002-05-31 2002-05-31 A method and device for frequency-selective pitch enhancement of synthesized speed

Publications (1)

Publication Number Publication Date
ATE399361T1 true ATE399361T1 (de) 2008-07-15

Family

ID=29589086

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03727092T ATE399361T1 (de) 2002-05-31 2003-05-30 Verfahren und anordnung zur grundfrequenzverbesserung eines decodierten sprachsignals

Country Status (21)

Country Link
US (1) US7529660B2 (de)
EP (1) EP1509906B1 (de)
JP (1) JP4842538B2 (de)
KR (1) KR101039343B1 (de)
CN (1) CN100365706C (de)
AT (1) ATE399361T1 (de)
AU (1) AU2003233722B2 (de)
BR (2) BRPI0311314B1 (de)
CA (2) CA2388352A1 (de)
CY (1) CY1110439T1 (de)
DE (1) DE60321786D1 (de)
DK (1) DK1509906T3 (de)
ES (1) ES2309315T3 (de)
MX (1) MXPA04011845A (de)
MY (1) MY140905A (de)
NO (1) NO332045B1 (de)
NZ (1) NZ536237A (de)
PT (1) PT1509906E (de)
RU (1) RU2327230C2 (de)
WO (1) WO2003102923A2 (de)
ZA (1) ZA200409647B (de)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6315985B1 (en) * 1999-06-18 2001-11-13 3M Innovative Properties Company C-17/21 OH 20-ketosteroid solution aerosol products with enhanced chemical stability
JP4380174B2 (ja) * 2003-02-27 2009-12-09 沖電気工業株式会社 帯域補正装置
US7619995B1 (en) * 2003-07-18 2009-11-17 Nortel Networks Limited Transcoders and mixers for voice-over-IP conferencing
FR2861491B1 (fr) * 2003-10-24 2006-01-06 Thales Sa Procede de selection d'unites de synthese
DE102004007184B3 (de) * 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
DE102004007191B3 (de) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
DE102004007200B3 (de) * 2004-02-13 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
CA2457988A1 (en) 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
EP3336843B1 (de) * 2004-05-14 2021-06-23 Panasonic Intellectual Property Corporation of America Sprachcodierungsverfahren und sprachcodierungsvorrichtung
ATE394774T1 (de) * 2004-05-19 2008-05-15 Matsushita Electric Industrial Co Ltd Kodierungs-, dekodierungsvorrichtung und methode dafür
US7848921B2 (en) * 2004-08-31 2010-12-07 Panasonic Corporation Low-frequency-band component and high-frequency-band audio encoding/decoding apparatus, and communication apparatus thereof
JP4407538B2 (ja) * 2005-03-03 2010-02-03 ヤマハ株式会社 マイクロフォンアレー用信号処理装置およびマイクロフォンアレーシステム
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
US7177804B2 (en) 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7831421B2 (en) * 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
US8620644B2 (en) * 2005-10-26 2013-12-31 Qualcomm Incorporated Encoder-assisted frame loss concealment techniques for audio coding
US8346546B2 (en) * 2006-08-15 2013-01-01 Broadcom Corporation Packet loss concealment based on forced waveform alignment after packet loss
US20100049512A1 (en) * 2006-12-15 2010-02-25 Panasonic Corporation Encoding device and encoding method
US8036886B2 (en) * 2006-12-22 2011-10-11 Digital Voice Systems, Inc. Estimation of pulsed speech model parameters
WO2008081920A1 (ja) * 2007-01-05 2008-07-10 Kyushu University, National University Corporation 音声強調処理装置
JP5046233B2 (ja) * 2007-01-05 2012-10-10 国立大学法人九州大学 音声強調処理装置
US8571852B2 (en) * 2007-03-02 2013-10-29 Telefonaktiebolaget L M Ericsson (Publ) Postfilter for layered codecs
JP5097219B2 (ja) * 2007-03-02 2012-12-12 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） 非因果性ポストフィルタ
EP2535894B1 (de) 2007-03-02 2015-01-07 Telefonaktiebolaget L M Ericsson (PUBL) Verfahren und Anordnungen in einem Telekommunikationsnetzwerk
CN101266797B (zh) * 2007-03-16 2011-06-01 展讯通信（上海）有限公司 语音信号后处理滤波方法
EP2171712B1 (de) * 2007-06-27 2016-08-10 Telefonaktiebolaget LM Ericsson (publ) Verfahren und anordnung zum erweitern von räumlichen audiosignalen
JPWO2009004718A1 (ja) * 2007-07-03 2010-08-26 パイオニア株式会社 楽音強調装置、楽音強調方法、楽音強調プログラムおよび記録媒体
JP2009044268A (ja) * 2007-08-06 2009-02-26 Sharp Corp 音声信号処理装置、音声信号処理方法、音声信号処理プログラム、及び、記録媒体
US8831936B2 (en) * 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
KR101475724B1 (ko) * 2008-06-09 2014-12-30 삼성전자주식회사 오디오 신호 품질 향상 장치 및 방법
US8538749B2 (en) * 2008-07-18 2013-09-17 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for enhanced intelligibility
US8515747B2 (en) * 2008-09-06 2013-08-20 Huawei Technologies Co., Ltd. Spectrum harmonic/noise sharpness control
US8532998B2 (en) * 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Selective bandwidth extension for encoding/decoding audio/speech signal
US8532983B2 (en) * 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Adaptive frequency prediction for encoding or decoding an audio signal
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
GB2466668A (en) * 2009-01-06 2010-07-07 Skype Ltd Speech filtering
US9202456B2 (en) 2009-04-23 2015-12-01 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation
GB2473266A (en) * 2009-09-07 2011-03-09 Nokia Corp An improved filter bank
JP5519230B2 (ja) * 2009-09-30 2014-06-11 パナソニック株式会社 オーディオエンコーダ及び音信号処理システム
PL4152320T3 (pl) * 2009-10-21 2024-02-19 Dolby International Ab Nadpróbkowanie w banku filtrów połączonym z modułem transpozycji
US9031835B2 (en) 2009-11-19 2015-05-12 Telefonaktiebolaget L M Ericsson (Publ) Methods and arrangements for loudness and sharpness compensation in audio codecs
EP3364411B1 (de) * 2009-12-14 2022-06-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vektorquantisierungsvorrichtung, sprachcodierungsvorrichtung, vektorquantisierungsverfahren und sprachcodierungsverfahren
WO2011128723A1 (en) * 2010-04-12 2011-10-20 Freescale Semiconductor, Inc. Audio communication device, method for outputting an audio signal, and communication system
CN103069484B (zh) * 2010-04-14 2014-10-08 华为技术有限公司 时/频二维后处理
US8886523B2 (en) * 2010-04-14 2014-11-11 Huawei Technologies Co., Ltd. Audio decoding based on audio class with control code for post-processing modes
US9053697B2 (en) 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
US8423357B2 (en) * 2010-06-18 2013-04-16 Alon Konchitsky System and method for biometric acoustic noise reduction
EP3079152B1 (de) 2010-07-02 2018-06-06 Dolby International AB Audiodekodierung mit selektiver nachfilterung
AU2012217216B2 (en) 2011-02-14 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
EP2676266B1 (de) 2011-02-14 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auf linearer Prädiktionscodierung basierendes Codierschema unter Verwendung von Spektralbereichsrauschformung
AR085362A1 (es) * 2011-02-14 2013-09-25 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal de audio decodificada en un dominio espectral
AR085218A1 (es) 2011-02-14 2013-09-18 Fraunhofer Ges Forschung Aparato y metodo para ocultamiento de error en voz unificada con bajo retardo y codificacion de audio
PL2676267T3 (pl) 2011-02-14 2017-12-29 Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio
ES2458436T3 (es) 2011-02-14 2014-05-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Representación de señal de información utilizando transformada superpuesta
EP3385950B1 (de) * 2012-05-23 2019-09-25 Nippon Telegraph and Telephone Corporation Audiodekodierungsverfahren, audiodekodierer und entsprechende programm und aufzeichnungsmedium
FR3000328A1 (fr) * 2012-12-21 2014-06-27 France Telecom Attenuation efficace de pre-echos dans un signal audionumerique
US8927847B2 (en) * 2013-06-11 2015-01-06 The Board Of Trustees Of The Leland Stanford Junior University Glitch-free frequency modulation synthesis of sounds
US9418671B2 (en) * 2013-08-15 2016-08-16 Huawei Technologies Co., Ltd. Adaptive high-pass post-filter
JP6220610B2 (ja) * 2013-09-12 2017-10-25 日本電信電話株式会社 信号処理装置、信号処理方法、プログラム、記録媒体
PT3471096T (pt) 2013-10-18 2020-07-06 Ericsson Telefon Ab L M Codificação de posições de picos espectrais
RU2677453C2 (ru) 2014-04-17 2019-01-16 Войсэйдж Корпорейшн Способы, кодер и декодер для линейного прогнозирующего кодирования и декодирования звуковых сигналов после перехода между кадрами, имеющими различные частоты дискретизации
EP2980799A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Verarbeitung eines Audiosignals mit Verwendung einer harmonischen Nachfilterung
EP2980798A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Harmonizitätsabhängige Steuerung eines harmonischen Filterwerkzeugs
CN107210718A (zh) * 2014-11-20 2017-09-26 迪芬尼香港有限公司 使用多速率fir和全通iir滤波器均衡扬声器系统的声学响应的方法和装置
TWI890652B (zh) 2015-03-13 2025-07-11 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
US10109284B2 (en) * 2016-02-12 2018-10-23 Qualcomm Incorporated Inter-channel encoding and decoding of multiple high-band audio signals
CN117316168A (zh) * 2016-04-12 2023-12-29 弗劳恩霍夫应用研究促进协会 用于对音频信号进行编码的音频编码器以及方法
RU2676022C1 (ru) * 2016-07-13 2018-12-25 Общество с ограниченной ответственностью "Речевая аппаратура "Унитон" Способ повышения разборчивости речи
CN111128230B (zh) * 2019-12-31 2022-03-04 广州市百果园信息技术有限公司 语音信号重建方法、装置、设备和存储介质
US11270714B2 (en) 2020-01-08 2022-03-08 Digital Voice Systems, Inc. Speech coding using time-varying interpolation
CN113053353B (zh) * 2021-03-10 2022-10-04 度小满科技(北京)有限公司 一种语音合成模型的训练方法及装置
US12254895B2 (en) 2021-07-02 2025-03-18 Digital Voice Systems, Inc. Detecting and compensating for the presence of a speaker mask in a speech signal
US11990144B2 (en) 2021-07-28 2024-05-21 Digital Voice Systems, Inc. Reducing perceived effects of non-voice data in digital speech
US12451151B2 (en) 2022-04-08 2025-10-21 Digital Voice Systems, Inc. Tone frame detector for digital speech
US20240386899A1 (en) * 2023-05-16 2024-11-21 Apple Inc. Downlink noise suppression
US12462814B2 (en) 2023-10-06 2025-11-04 Digital Voice Systems, Inc. Bit error correction in digital speech
KR102874451B1 (ko) 2024-04-25 2025-10-22 엘아이지넥스원 주식회사 수중 음향 기만용 노이즈 신호 최적화 방법 및 이를 위한 장치
CN119229884B (zh) * 2024-08-20 2025-12-19 北京达佳互联信息技术有限公司 一种语音处理方法、装置、电子设备及存储介质

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU447857A1 (ru) 1971-09-07 1974-10-25 Предприятие П/Я А-3103 Устройство дл записи информации на термопластический носитель
SU447853A1 (ru) 1972-12-01 1974-10-25 Предприятие П/Я А-7306 Устройство передачи и приема речевых сигналов
JPS6041077B2 (ja) * 1976-09-06 1985-09-13 喜徳 喜谷 １，２‐ジアミノシクロヘキサン異性体のシス白金（２）錯体
JP3137805B2 (ja) * 1993-05-21 2001-02-26 三菱電機株式会社 音声符号化装置、音声復号化装置、音声後処理装置及びこれらの方法
JP3321971B2 (ja) * 1994-03-10 2002-09-09 ソニー株式会社 音声信号処理方法
JP3062392B2 (ja) * 1994-04-22 2000-07-10 株式会社河合楽器製作所 波形形成装置およびこの出力波形を用いた電子楽器
DE69519300T2 (de) * 1994-08-08 2001-05-31 Debiopharm S.A., Lausanne Stabiles arzneimittel enthaltend oxaliplatin
US5701390A (en) * 1995-02-22 1997-12-23 Digital Voice Systems, Inc. Synthesis of MBE-based coded speech using regenerated phase information
GB9512284D0 (en) 1995-06-16 1995-08-16 Nokia Mobile Phones Ltd Speech Synthesiser
US5864798A (en) * 1995-09-18 1999-01-26 Kabushiki Kaisha Toshiba Method and apparatus for adjusting a spectrum shape of a speech signal
US5806025A (en) * 1996-08-07 1998-09-08 U S West, Inc. Method and system for adaptive filtering of speech signals using signal-to-noise ratio to choose subband filter bank
SE9700772D0 (sv) * 1997-03-03 1997-03-03 Ericsson Telefon Ab L M A high resolution post processing method for a speech decoder
US6385576B2 (en) * 1997-12-24 2002-05-07 Kabushiki Kaisha Toshiba Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch
GB9804013D0 (en) * 1998-02-25 1998-04-22 Sanofi Sa Formulations
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
WO2001052241A1 (fr) * 2000-01-11 2001-07-19 Matsushita Electric Industrial Co., Ltd. Dispositif de codage vocal multimode et dispositif de decodage
JP3612260B2 (ja) * 2000-02-29 2005-01-19 株式会社東芝 音声符号化方法及び装置並びに及び音声復号方法及び装置
JP2002149200A (ja) * 2000-08-31 2002-05-24 Matsushita Electric Ind Co Ltd 音声処理装置及び音声処理方法
CA2327041A1 (en) * 2000-11-22 2002-05-22 Voiceage Corporation A method for indexing pulse positions and signs in algebraic codebooks for efficient coding of wideband signals
US6889182B2 (en) * 2001-01-12 2005-05-03 Telefonaktiebolaget L M Ericsson (Publ) Speech bandwidth extension
US6937978B2 (en) * 2001-10-30 2005-08-30 Chungwa Telecom Co., Ltd. Suppression system of background noise of speech signals and the method thereof
US6476068B1 (en) * 2001-12-06 2002-11-05 Pharmacia Italia, S.P.A. Platinum derivative pharmaceutical formulations
CN101022790A (zh) * 2003-08-28 2007-08-22 梅恩医药有限公司 含有酸的奥沙利铂制剂

Also Published As

Publication number Publication date
JP4842538B2 (ja) 2011-12-21
CY1110439T1 (el) 2015-04-29
US20050165603A1 (en) 2005-07-28
EP1509906A2 (de) 2005-03-02
MY140905A (en) 2010-01-29
CA2388352A1 (en) 2003-11-30
DK1509906T3 (da) 2008-10-20
PT1509906E (pt) 2008-11-13
CA2483790C (en) 2011-12-20
CN100365706C (zh) 2008-01-30
KR20050004897A (ko) 2005-01-12
RU2004138291A (ru) 2005-05-27
AU2003233722A1 (en) 2003-12-19
WO2003102923A2 (en) 2003-12-11
KR101039343B1 (ko) 2011-06-08
WO2003102923A3 (en) 2004-09-30
CA2483790A1 (en) 2003-12-11
AU2003233722B2 (en) 2009-06-04
BR0311314A (pt) 2005-02-15
EP1509906B1 (de) 2008-06-25
ES2309315T3 (es) 2008-12-16
US7529660B2 (en) 2009-05-05
ZA200409647B (en) 2006-06-28
HK1078978A1 (en) 2006-03-24
NO20045717L (no) 2004-12-30
JP2005528647A (ja) 2005-09-22
BRPI0311314B1 (pt) 2018-02-14
MXPA04011845A (es) 2005-07-26
DE60321786D1 (de) 2008-08-07
NZ536237A (en) 2007-05-31
CN1659626A (zh) 2005-08-24
RU2327230C2 (ru) 2008-06-20
NO332045B1 (no) 2012-06-11

Similar Documents

Publication Publication Date Title
ATE399361T1 (de) Verfahren und anordnung zur grundfrequenzverbesserung eines decodierten sprachsignals
TW200705387A (en) Systems, methods, and apparatus for highband time warping
ATE535904T1 (de) Verbesserte transformationskodierung von sprach- und audiosignalen
SE0004163D0 (sv) Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
ATE253766T1 (de) Vorrichtung und verfahren zur sprachsignalmodifizierung
DE602005008185D1 (de) Verfahren zur Einbettung eines digitalen Wasserzeichens in ein Nutzsignal
DE602005002451D1 (de) Vorrichtung und verfahren zur erzeugung eines pegelparameters und vorrichtung und verfahren zur erzeugung einer mehrkanal-repräsentation
DE502004009294D1 (de) Verfahren zur automatischen Verstärkungseinstellung in einem Hörhilfegerät sowie Hörhilfegerät
ATE550754T1 (de) Verfahren und vorrichtung zur aktiven geräuschsminderung unter anwendung von wahrnehmungsmaskierung
DE602005017831D1 (de) Höhrapparat mit verbesserte hochfrequenzwiedergabe und verfahren zur bearbeitung eines tonsignal
ATE457597T1 (de) Verfahren zur unterdrückung akustischer restechos nach echounterdrückung bei einer freisprecheinrichtung
DE602004025903D1 (de) Verfahren zur differenzierten digitalen Sprach- und Musikbearbeitung, Rauschfilterung, Erzeugung von Spezialeffekten und Einrichtung zum Ausführen des Verfahrens
ATE475108T1 (de) Verfahren und einrichtung zur erkennung von diskontinuitäten in einem medium
DE60107308D1 (de) Verfahren zur Erzeugung eines Wasserzeichens für Audiosignale
DE50212199D1 (de) Verfahren zum Betrieb eines Hörhilfegerätes oder Hörgerätesystem sowie Hörhilfegerät oder Hörgerätesystem
ATE347162T1 (de) Rauschunterdrückung zur robusten spracherkennung
DE602007013303D1 (de) Vorrichtung und Verfahren zur Wellenformsynthese des Ansprechverhaltens
WO2009048239A3 (en) Encoding and decoding method using variable subband analysis and apparatus thereof
WO2007078991A3 (en) System and method of detecting speech intelligibility and of improving intelligibility of audio announcement systems in noisy and reverberant spaces
ATE459216T1 (de) Verfahren zur simulierung eines raumeindrucks und/oder schalleindrucks
EP1343146A3 (de) Verarbeitung eines Audiosignals unter Verwendung eines Hörbarkeitsmodells
DE50114446D1 (de) Vorrichtung und Verfahren zum geräuschabhängigen Anpassen eines akustischen Nutzsignals
ATE438173T1 (de) Verfahren zur messung von durch geräusche in einem audiosignal verursachten beeinträchtigungen
ATE461515T1 (de) Verfahren zur rauschverminderung in einem hörgerät und nach einem solchen verfahren funktionierendes hörgerät
DE60330239D1 (de) Wahrnehmungsbezogene normierung digitaler audiosignale

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1509906

Country of ref document: EP