CN100403401C - 根据窄带语音信号估测宽带语音信号的语音扩展器和方法 - Google Patents
根据窄带语音信号估测宽带语音信号的语音扩展器和方法 Download PDFInfo
- Publication number
- CN100403401C CN100403401C CNB018236731A CN01823673A CN100403401C CN 100403401 C CN100403401 C CN 100403401C CN B018236731 A CNB018236731 A CN B018236731A CN 01823673 A CN01823673 A CN 01823673A CN 100403401 C CN100403401 C CN 100403401C
- Authority
- CN
- China
- Prior art keywords
- speech
- extender
- broadband
- voice
- parameter
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal 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
Abstract
Description
Claims (12)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DE2001/003729 WO2003036623A1 (de) | 2001-09-28 | 2001-09-28 | Sprachextender und verfahren zum schätzen eines breitbandigen sprachsignals anhand eines schmalbandigen sprachsignals |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1630896A CN1630896A (zh) | 2005-06-22 |
CN100403401C true CN100403401C (zh) | 2008-07-16 |
Family
ID=5648296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018236731A Expired - Fee Related CN100403401C (zh) | 2001-09-28 | 2001-09-28 | 根据窄带语音信号估测宽带语音信号的语音扩展器和方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040243400A1 (zh) |
EP (1) | EP1433166B8 (zh) |
CN (1) | CN100403401C (zh) |
DE (1) | DE50113277D1 (zh) |
WO (1) | WO2003036623A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004090870A1 (ja) * | 2003-04-04 | 2004-10-21 | Kabushiki Kaisha Toshiba | 広帯域音声を符号化または復号化するための方法及び装置 |
US8818797B2 (en) * | 2010-12-23 | 2014-08-26 | Microsoft Corporation | Dual-band speech encoding |
KR102244612B1 (ko) * | 2014-04-21 | 2021-04-26 | 삼성전자주식회사 | 무선 통신 시스템에서 음성 데이터를 송신 및 수신하기 위한 장치 및 방법 |
US10847170B2 (en) | 2015-06-18 | 2020-11-24 | Qualcomm Incorporated | Device and method for generating a high-band signal from non-linearly processed sub-ranges |
US9837089B2 (en) * | 2015-06-18 | 2017-12-05 | Qualcomm Incorporated | High-band signal generation |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0945852A1 (en) * | 1998-03-25 | 1999-09-29 | BRITISH TELECOMMUNICATIONS public limited company | Speech synthesis |
GB2357682A (en) * | 1999-12-23 | 2001-06-27 | Motorola Ltd | Audio circuit and method for wideband to narrowband transition in a communication device |
WO2001056021A1 (en) * | 2000-01-28 | 2001-08-02 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for modifying speech signals |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4311877A (en) * | 1979-12-19 | 1982-01-19 | Kahn Leonard R | Method and means for improving the reliability of systems that transmit relatively wideband signals over two or more relatively narrowband transmission circuits |
US4330689A (en) * | 1980-01-28 | 1982-05-18 | The United States Of America As Represented By The Secretary Of The Navy | Multirate digital voice communication processor |
ES2080302T3 (es) * | 1990-03-08 | 1996-02-01 | Ericsson Telefon Ab L M | Asignacion dinamica del sistema de numeros de ruta de deambulantes y antecedentes del metodo de la invencion. |
JP2779886B2 (ja) * | 1992-10-05 | 1998-07-23 | 日本電信電話株式会社 | 広帯域音声信号復元方法 |
US5455888A (en) * | 1992-12-04 | 1995-10-03 | Northern Telecom Limited | Speech bandwidth extension method and apparatus |
WO1995002288A1 (en) * | 1993-07-07 | 1995-01-19 | Picturetel Corporation | Reduction of background noise for speech enhancement |
US5668837A (en) * | 1993-10-14 | 1997-09-16 | Ericsson Inc. | Dual-mode radio receiver for receiving narrowband and wideband signals |
EP0732687B2 (en) * | 1995-03-13 | 2005-10-12 | Matsushita Electric Industrial Co., Ltd. | Apparatus for expanding speech bandwidth |
US5706335A (en) * | 1995-04-10 | 1998-01-06 | Corporate Computer Systems | Method and appartus for transmitting coded audio signals through a transmission channel with limited bandwidth |
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 |
US5901145A (en) * | 1997-02-28 | 1999-05-04 | Telefonaktiebolaget L M Ericsson (Publ) | Mobile station handoff between a spread spectrum communications system and a frequency division communications system |
DE19804581C2 (de) * | 1998-02-05 | 2000-08-17 | Siemens Ag | Verfahren und Funk-Kommunikationssystem zur Übertragung von Sprachinformation |
US7174135B2 (en) * | 2001-06-28 | 2007-02-06 | Koninklijke Philips Electronics N. V. | Wideband signal transmission system |
-
2001
- 2001-09-28 EP EP01978183A patent/EP1433166B8/de not_active Expired - Lifetime
- 2001-09-28 WO PCT/DE2001/003729 patent/WO2003036623A1/de active IP Right Grant
- 2001-09-28 CN CNB018236731A patent/CN100403401C/zh not_active Expired - Fee Related
- 2001-09-28 US US10/491,052 patent/US20040243400A1/en not_active Abandoned
- 2001-09-28 DE DE50113277T patent/DE50113277D1/de not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0945852A1 (en) * | 1998-03-25 | 1999-09-29 | BRITISH TELECOMMUNICATIONS public limited company | Speech synthesis |
GB2357682A (en) * | 1999-12-23 | 2001-06-27 | Motorola Ltd | Audio circuit and method for wideband to narrowband transition in a communication device |
WO2001056021A1 (en) * | 2000-01-28 | 2001-08-02 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for modifying speech signals |
Also Published As
Publication number | Publication date |
---|---|
EP1433166B1 (de) | 2007-11-14 |
WO2003036623A1 (de) | 2003-05-01 |
CN1630896A (zh) | 2005-06-22 |
EP1433166B8 (de) | 2008-01-02 |
DE50113277D1 (de) | 2007-12-27 |
EP1433166A1 (de) | 2004-06-30 |
US20040243400A1 (en) | 2004-12-02 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NOKIA SIEMENS COMMUNICATION CO., LTD. Free format text: FORMER OWNER: SIEMENS AG Effective date: 20071214 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20071214 Address after: Munich, Germany Applicant after: Nokia Siemens Networks GmbH Address before: Munich, Germany Applicant before: Siemens AG |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080716 Termination date: 20091028 |