EP1433166B8 - Sprachextender und verfahren zum schätzen eines breitbandigen sprachsignals anhand eines schmalbandigen sprachsignals - Google Patents
Sprachextender und verfahren zum schätzen eines breitbandigen sprachsignals anhand eines schmalbandigen sprachsignals Download PDFInfo
- Publication number
- EP1433166B8 EP1433166B8 EP01978183A EP01978183A EP1433166B8 EP 1433166 B8 EP1433166 B8 EP 1433166B8 EP 01978183 A EP01978183 A EP 01978183A EP 01978183 A EP01978183 A EP 01978183A EP 1433166 B8 EP1433166 B8 EP 1433166B8
- Authority
- EP
- European Patent Office
- Prior art keywords
- speech signal
- speech
- estimating
- extender
- broadband
- 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 - Lifetime
Links
- 239000004606 Fillers/Extenders Substances 0.000 title 1
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
- 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)
- Computational Linguistics (AREA)
- Quality & Reliability (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Mobile Radio Communication Systems (AREA)
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 (3)
Publication Number | Publication Date |
---|---|
EP1433166A1 EP1433166A1 (de) | 2004-06-30 |
EP1433166B1 EP1433166B1 (de) | 2007-11-14 |
EP1433166B8 true EP1433166B8 (de) | 2008-01-02 |
Family
ID=5648296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01978183A Expired - Lifetime EP1433166B8 (de) | 2001-09-28 | 2001-09-28 | Sprachextender und verfahren zum schätzen eines breitbandigen sprachsignals anhand eines schmalbandigen sprachsignals |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040243400A1 (de) |
EP (1) | EP1433166B8 (de) |
CN (1) | CN100403401C (de) |
DE (1) | DE50113277D1 (de) |
WO (1) | WO2003036623A1 (de) |
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 |
Family Cites Families (16)
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 |
DK0474812T3 (da) * | 1990-03-08 | 1995-11-06 | Ericsson Telefon Ab L M | System og fremgangsmåde til dynamisk allokering af søgedirigeringsnumre |
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 (de) * | 1995-03-13 | 2005-10-12 | Matsushita Electric Industrial Co., Ltd. | Vorrichtung zur Erweiterung der Sprachbandbreite |
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 |
EP0945852A1 (de) * | 1998-03-25 | 1999-09-29 | BRITISH TELECOMMUNICATIONS public limited company | Sprachsynthese |
GB2357682B (en) * | 1999-12-23 | 2004-09-08 | Motorola Ltd | Audio circuit and method for wideband to narrowband transition in a communication device |
US6704711B2 (en) * | 2000-01-28 | 2004-03-09 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for modifying speech signals |
WO2003003350A1 (en) * | 2001-06-28 | 2003-01-09 | 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 CN CNB018236731A patent/CN100403401C/zh not_active Expired - Fee Related
- 2001-09-28 WO PCT/DE2001/003729 patent/WO2003036623A1/de active IP Right Grant
- 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
Also Published As
Publication number | Publication date |
---|---|
WO2003036623A1 (de) | 2003-05-01 |
CN1630896A (zh) | 2005-06-22 |
EP1433166A1 (de) | 2004-06-30 |
DE50113277D1 (de) | 2007-12-27 |
US20040243400A1 (en) | 2004-12-02 |
EP1433166B1 (de) | 2007-11-14 |
CN100403401C (zh) | 2008-07-16 |
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