CN1309521A - 具有增强语音质量的移动站到移动站的数字无线连接 - Google Patents

具有增强语音质量的移动站到移动站的数字无线连接 Download PDF

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Publication number
CN1309521A
CN1309521A CN01102995A CN01102995A CN1309521A CN 1309521 A CN1309521 A CN 1309521A CN 01102995 A CN01102995 A CN 01102995A CN 01102995 A CN01102995 A CN 01102995A CN 1309521 A CN1309521 A CN 1309521A
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CN
China
Prior art keywords
voice signal
voice
sef
adapting filter
decoder
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.)
Pending
Application number
CN01102995A
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English (en)
Chinese (zh)
Inventor
穆罕默德·R·谢利夫
阿莫德·A·特拉夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of CN1309521A publication Critical patent/CN1309521A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
CN01102995A 2000-02-14 2001-02-13 具有增强语音质量的移动站到移动站的数字无线连接 Pending CN1309521A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/503,990 2000-02-14
US09/503,990 US7006787B1 (en) 2000-02-14 2000-02-14 Mobile to mobile digital wireless connection having enhanced voice quality

Publications (1)

Publication Number Publication Date
CN1309521A true CN1309521A (zh) 2001-08-22

Family

ID=24004388

Family Applications (1)

Application Number Title Priority Date Filing Date
CN01102995A Pending CN1309521A (zh) 2000-02-14 2001-02-13 具有增强语音质量的移动站到移动站的数字无线连接

Country Status (9)

Country Link
US (1) US7006787B1 (enExample)
EP (1) EP1126439B1 (enExample)
JP (1) JP2001272998A (enExample)
KR (1) KR100444418B1 (enExample)
CN (1) CN1309521A (enExample)
AU (1) AU1839001A (enExample)
BR (1) BR0100384A (enExample)
CA (1) CA2330985A1 (enExample)
DE (1) DE60001209T2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101322423B (zh) * 2005-11-30 2011-12-14 艾利森电话股份有限公司 用于无级联操作信号传送的系统和方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2839836B1 (fr) 2002-05-16 2004-09-10 Cit Alcatel Terminal de telecommunication permettant de modifier la voix transmise lors d'une communication telephonique
CN100578616C (zh) * 2003-04-08 2010-01-06 日本电气株式会社 代码转换方法和设备
KR20050044837A (ko) * 2004-06-08 2005-05-13 삼성전자주식회사 디지털 방송 데이터 출력 중 통화기능을 처리하는이동통신단말기 및 그 방법
KR100700595B1 (ko) 2005-10-29 2007-03-28 엘지전자 주식회사 청각특성 변경을 지원하는 휴대단말기 및 그 방법
US20070131653A1 (en) * 2005-12-09 2007-06-14 Ettinger Gary C Methods and apparatus for processing a substrate
US20070171816A1 (en) * 2006-01-20 2007-07-26 Lucent Technologies Inc. Method and apparatus for call reroute based upon QoS
US20070291648A1 (en) * 2006-06-15 2007-12-20 Lucent Technologies Inc. VoIP voice quality remote for switch-to-switch connections
US9426569B2 (en) * 2013-06-13 2016-08-23 Blackberry Limited Audio signal bandwidth to codec bandwidth analysis and response
EP3277016B1 (en) * 2016-07-29 2019-09-11 Rohde & Schwarz GmbH & Co. KG Measurement system and a method

Family Cites Families (14)

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FR2569322B1 (fr) * 1984-08-17 1986-12-05 Trt Telecom Radio Electr Annuleur d'echo utilisant la modulation delta
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding
US5694519A (en) 1992-02-18 1997-12-02 Lucent Technologies, Inc. Tunable post-filter for tandem coders
US5790632A (en) * 1994-09-30 1998-08-04 Qualcom Incorporated Method and apparatus for echo canceling accounting for companding induced quantization error
US5903862A (en) * 1995-01-25 1999-05-11 Weaver, Jr.; Lindsay A. Method and apparatus for detection of tandem vocoding to modify vocoder filtering
JPH08202399A (ja) * 1995-01-27 1996-08-09 Kyocera Corp 復号音声の後処理方法
JP3426871B2 (ja) * 1995-09-18 2003-07-14 株式会社東芝 音声信号のスペクトル形状調整方法および装置
JP3157116B2 (ja) * 1996-03-29 2001-04-16 三菱電機株式会社 音声符号化伝送システム
KR100233463B1 (ko) * 1997-03-07 1999-12-01 윤종용 반향제거장치 및 방법
GB9706174D0 (en) 1997-03-25 1997-11-19 Secr Defence Recognition system
US5995923A (en) * 1997-06-26 1999-11-30 Nortel Networks Corporation Method and apparatus for improving the voice quality of tandemed vocoders
CN1134904C (zh) * 1997-09-10 2004-01-14 塞尔隆法国股份有限公司 通信系统和终端
US6347141B1 (en) * 1998-08-03 2002-02-12 Conexant Systems, Inc. Method of and apparatus for adaptation of an echo canceller in a system with multitasking
US6434235B1 (en) * 2000-08-01 2002-08-13 Lucent Technologies Inc. Acoustic echo canceler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101322423B (zh) * 2005-11-30 2011-12-14 艾利森电话股份有限公司 用于无级联操作信号传送的系统和方法

Also Published As

Publication number Publication date
DE60001209D1 (de) 2003-02-20
KR100444418B1 (ko) 2004-08-16
EP1126439A3 (en) 2001-08-29
CA2330985A1 (en) 2001-08-14
US7006787B1 (en) 2006-02-28
DE60001209T2 (de) 2003-11-13
EP1126439B1 (en) 2003-01-15
KR20010082625A (ko) 2001-08-30
BR0100384A (pt) 2001-10-30
JP2001272998A (ja) 2001-10-05
EP1126439A2 (en) 2001-08-22
AU1839001A (en) 2001-08-16

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C02 Deemed withdrawal of patent application after publication (patent law 2001)
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