AU2003278058A1 - Method for enlarging the bandwidth of a narrow-band filtered speech signal - Google Patents

Method for enlarging the bandwidth of a narrow-band filtered speech signal

Info

Publication number: AU2003278058A1
Authority: AU; Australia
Prior art keywords: enlarging; bandwidth; narrow; speech signal; band filtered
Prior art date: 2002-11-11
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.): Abandoned

Application number

AU2003278058A

Inventor

Stefano Ambrosius Klinke

Frank Lorenz

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.)

Siemens AG

Original Assignee

Siemens AG

Siemens 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.)

2002-11-11

Filing date

2003-10-08

Publication date

2004-06-03

2003-10-08 Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG

2004-06-03 Publication of AU2003278058A1 publication Critical patent/AU2003278058A1/en

Status Abandoned legal-status Critical Current

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
- 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
- G10L15/00—Speech recognition
- G10L15/08—Speech classification or search
- G10L15/14—Speech classification or search using statistical models, e.g. Hidden Markov Models [HMMs]
- 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
- G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive 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)

AU2003278058A 2002-11-11 2003-10-08 Method for enlarging the bandwidth of a narrow-band filtered speech signal Abandoned AU2003278058A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE10252327.4		2002-11-11
DE2002152327 DE10252327A1 (en)	2002-11-11	2002-11-11	Process for widening the bandwidth of a narrow band filtered speech signal especially from a telecommunication device divides into signal spectral structures and recombines
PCT/EP2003/011137 WO2004044894A1 (en)	2002-11-11	2003-10-08	Method for enlarging the bandwidth of a narrow-band filtered speech signal

Publications (1)

Publication Number	Publication Date
AU2003278058A1 true AU2003278058A1 (en)	2004-06-03

Family

ID=32185450

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2003278058A Abandoned AU2003278058A1 (en)	2002-11-11	2003-10-08	Method for enlarging the bandwidth of a narrow-band filtered speech signal

Country Status (4)

Country	Link
EP (1)	EP1561205A1 (en)
AU (1)	AU2003278058A1 (en)
DE (1)	DE10252327A1 (en)
WO (1)	WO2004044894A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
PL2346030T3 (en)	2008-07-11	2015-03-31	Fraunhofer Ges Forschung	Audio encoder, method for encoding an audio signal and computer program
BRPI0910792B1 (en)	2008-07-11	2020-03-24	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	"AUDIO SIGNAL SYNTHESIZER AND AUDIO SIGNAL ENCODER"
CN112770269B (en) *	2019-11-05	2022-05-17	海能达通信股份有限公司	Voice communication method and system in broadband and narrowband intercommunication environment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5455888A (en) *	1992-12-04	1995-10-03	Northern Telecom Limited	Speech bandwidth extension method and apparatus
DE10041512B4 (en) *	2000-08-24	2005-05-04	Infineon Technologies Ag	Method and device for artificially expanding the bandwidth of speech signals
SE0004818D0 (en) *	2000-12-22	2000-12-22	Coding Technologies Sweden Ab	Enhancing source coding systems by adaptive transposition
US20020128839A1 (en) *	2001-01-12	2002-09-12	Ulf Lindgren	Speech bandwidth extension
CN1529882A (en) *	2001-05-11	2004-09-15	西门子公司	Method for extending the bandwidth of a narrowband filtered speech signal, in particular a speech signal transmitted by a communication device

2002
- 2002-11-11 DE DE2002152327 patent/DE10252327A1/en not_active Withdrawn
2003
- 2003-10-08 AU AU2003278058A patent/AU2003278058A1/en not_active Abandoned
- 2003-10-08 WO PCT/EP2003/011137 patent/WO2004044894A1/en not_active Ceased
- 2003-10-08 EP EP03769360A patent/EP1561205A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
EP1561205A1 (en)	2005-08-10
WO2004044894A1 (en)	2004-05-27
DE10252327A1 (en)	2004-05-27

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Legal Events

Date	Code	Title	Description
2005-07-21	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase