ATE456128T1 - Qualitätsverbesserung eines audiosignals im kodierbereich - Google Patents

Qualitätsverbesserung eines audiosignals im kodierbereich

Info

Publication number
ATE456128T1
ATE456128T1 AT04029839T AT04029839T ATE456128T1 AT E456128 T1 ATE456128 T1 AT E456128T1 AT 04029839 T AT04029839 T AT 04029839T AT 04029839 T AT04029839 T AT 04029839T AT E456128 T1 ATE456128 T1 AT E456128T1
Authority
AT
Austria
Prior art keywords
audio signal
parameter
parameter value
value
enhanced
Prior art date
Application number
AT04029839T
Other languages
English (en)
Inventor
Paeivi Valve
Antti Pasanen
Original Assignee
Nokia 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
Application filed by Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE456128T1 publication Critical patent/ATE456128T1/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
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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

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)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT04029839T 2003-12-18 2004-12-16 Qualitätsverbesserung eines audiosignals im kodierbereich ATE456128T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03029182 2003-12-18
US10/803,103 US7613607B2 (en) 2003-12-18 2004-03-18 Audio enhancement in coded domain

Publications (1)

Publication Number Publication Date
ATE456128T1 true ATE456128T1 (de) 2010-02-15

Family

ID=34673578

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04029839T ATE456128T1 (de) 2003-12-18 2004-12-16 Qualitätsverbesserung eines audiosignals im kodierbereich

Country Status (4)

Country Link
US (1) US7613607B2 (de)
AT (1) ATE456128T1 (de)
DE (1) DE602004025193D1 (de)
ES (1) ES2337137T3 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2040253B1 (de) * 2000-04-24 2012-04-11 Qualcomm Incorporated Prädikitve Dequantisierung von stimmhaften Sprachsignalen
CN101116321B (zh) * 2004-09-09 2012-06-20 互用技术集团有限公司 用于通信***互通性的***和方法
JP5046654B2 (ja) * 2005-01-14 2012-10-10 パナソニック株式会社 スケーラブル復号装置及びスケーラブル復号方法
US20060215683A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for voice quality enhancement
US20070160154A1 (en) * 2005-03-28 2007-07-12 Sukkar Rafid A Method and apparatus for injecting comfort noise in a communications signal
US20060217988A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for adaptive level control
US20060217970A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for noise reduction
US20060217971A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for modifying an encoded signal
US20060217969A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for echo suppression
US8874437B2 (en) * 2005-03-28 2014-10-28 Tellabs Operations, Inc. Method and apparatus for modifying an encoded signal for voice quality enhancement
US20060217972A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for modifying an encoded signal
US20060217983A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for injecting comfort noise in a communications system
US7596491B1 (en) * 2005-04-19 2009-09-29 Texas Instruments Incorporated Layered CELP system and method
US9058812B2 (en) * 2005-07-27 2015-06-16 Google Technology Holdings LLC Method and system for coding an information signal using pitch delay contour adjustment
WO2007043648A1 (ja) 2005-10-14 2007-04-19 Matsushita Electric Industrial Co., Ltd. 変換符号化装置および変換符号化方法
WO2007064256A2 (en) * 2005-11-30 2007-06-07 Telefonaktiebolaget Lm Ericsson (Publ) Efficient speech stream conversion
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
JPWO2008072701A1 (ja) * 2006-12-13 2010-04-02 パナソニック株式会社 ポストフィルタおよびフィルタリング方法
WO2008086825A1 (en) * 2007-01-18 2008-07-24 Telefonaktiebolaget Lm Ericsson (Publ) Technique for controlling codec selection along a complex call path
US20080181392A1 (en) * 2007-01-31 2008-07-31 Mohammad Reza Zad-Issa Echo cancellation and noise suppression calibration in telephony devices
US20080274705A1 (en) * 2007-05-02 2008-11-06 Mohammad Reza Zad-Issa Automatic tuning of telephony devices
CA2705968C (en) * 2007-11-21 2016-01-26 Lg Electronics Inc. A method and an apparatus for processing a signal
US8554550B2 (en) * 2008-01-28 2013-10-08 Qualcomm Incorporated Systems, methods, and apparatus for context processing using multi resolution analysis
CN101335000B (zh) * 2008-03-26 2010-04-21 华为技术有限公司 编码的方法及装置
US20120029926A1 (en) 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
US9026434B2 (en) * 2011-04-11 2015-05-05 Samsung Electronic Co., Ltd. Frame erasure concealment for a multi rate speech and audio codec
WO2014032738A1 (en) * 2012-09-03 2014-03-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for providing an informed multichannel speech presence probability estimation
KR102120073B1 (ko) * 2013-06-21 2020-06-08 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 개선된 피치 래그 추정을 사용하여 ａｃｅｌｐp-형 은폐 내에서 적응적 코드북의 개선된 은폐를 위한 장치 및 방법
US9384746B2 (en) * 2013-10-14 2016-07-05 Qualcomm Incorporated Systems and methods of energy-scaled signal processing
CN110246510B (zh) * 2019-06-24 2021-04-06 电子科技大学 一种基于RefineNet的端到端语音增强方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI116642B (fi) 1998-02-09 2006-01-13 Nokia Corp Puheparametrien käsittelymenetelmä, puhekoodauksen käsittely-yksikkö ja verkkoelementti
JP2003503760A (ja) 1999-07-02 2003-01-28 テラブス オペレーションズ，インコーポレイティド 圧縮音声の符号領域適応レベル制御
JP4639441B2 (ja) 1999-09-01 2011-02-23 ソニー株式会社 ディジタル信号処理装置および処理方法、並びにディジタル信号記録装置および記録方法
SE521693C3 (sv) * 2001-03-30 2004-02-04 Ericsson Telefon Ab L M En metod och anordning för brusundertryckning
US7272555B2 (en) * 2001-09-13 2007-09-18 Industrial Technology Research Institute Fine granularity scalability speech coding for multi-pulses CELP-based algorithm
CN1653515A (zh) 2002-05-13 2005-08-10 迈恩斯比德技术股份有限公司 在分组网络环境中的语音传输编码
US20040243404A1 (en) * 2003-05-30 2004-12-02 Juergen Cezanne Method and apparatus for improving voice quality of encoded speech signals in a network
US20050071154A1 (en) * 2003-09-30 2005-03-31 Walter Etter Method and apparatus for estimating noise in speech signals

Also Published As

Publication number Publication date
ES2337137T3 (es) 2010-04-21
DE602004025193D1 (de) 2010-03-11
US7613607B2 (en) 2009-11-03
US20050137864A1 (en) 2005-06-23

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