EP1204095A4 - Sound switching device - Google Patents

Sound switching device

Info

Publication number: EP1204095A4
Authority: EP; European Patent Office
Prior art keywords: switching device; sound switching; sound; switching
Prior art date: 1999-06-11
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Other versions

Inventor

Toshiyuki Nomura

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.)

NEC Corp

Original Assignee

NEC 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.)

1999-06-11

Filing date

2000-05-19

Publication date

2005-08-17

2000-05-19Application filed by NEC CorpfiledCriticalNEC Corp

2002-05-08Publication of EP1204095A1publicationCriticalpatent/EP1204095A1/en

2005-08-17Publication of EP1204095A4publicationCriticalpatent/EP1204095A4/en

StatusWithdrawnlegal-statusCriticalCurrent

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
- G10L19/18—Vocoders using multiple modes
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Analogue/Digital Conversion (AREA)

EP00929812A1999-06-112000-05-19Sound switching deviceWithdrawnEP1204095A4 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP16466599		1999-06-11
JP11164665AJP2000352999A (en)	1999-06-11	1999-06-11	Audio switching device
PCT/JP2000/003230WO2000077775A1 (en)	1999-06-11	2000-05-19	Sound switching device

Publications (2)

Publication Number	Publication Date
EP1204095A1 EP1204095A1 (en)	2002-05-08
EP1204095A4true EP1204095A4 (en)	2005-08-17

Family

ID=15797504

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP00929812AWithdrawnEP1204095A4 (en)	1999-06-11	2000-05-19	Sound switching device

Country Status (5)

Country	Link
EP (1)	EP1204095A4 (en)
JP (1)	JP2000352999A (en)
AU (1)	AU773996B2 (en)
CA (1)	CA2376816A1 (en)
WO (1)	WO2000077775A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2000352999A (en)*	1999-06-11	2000-12-19	Nec Corp	Audio switching device
JP4733939B2 (en)*	2004-01-08	2011-07-27	パナソニック株式会社	Signal decoding apparatus and signal decoding method
US8010353B2 (en)	2005-01-14	2011-08-30	Panasonic Corporation	Audio switching device and audio switching method that vary a degree of change in mixing ratio of mixing narrow-band speech signal and wide-band speech signal
JP5100380B2 (en)	2005-06-29	2012-12-19	パナソニック株式会社	Scalable decoding apparatus and lost data interpolation method
JP4560015B2 (en)*	2005-07-29	2010-10-13	パナソニック株式会社	Decryption device
US7742913B2 (en)	2005-10-24	2010-06-22	Lg Electronics Inc.	Removing time delays in signal paths
JP2008244775A (en)*	2007-03-27	2008-10-09	Rohm Co Ltd	Audio circuit, and electronic apparatus having the same
AU2011311659B2 (en)*	2010-10-06	2015-07-30	Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.	Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (USAC)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2592810B2 (en)*	1986-09-30	1997-03-19	株式会社東芝	Sample rate conversion circuit
JP2600237B2 (en)*	1987-12-29	1997-04-16	ソニー株式会社	Sampling frequency conversion circuit
JPH0675586A (en)*	1992-07-08	1994-03-18	Seikosha Co Ltd	Acoustic signal generating circuit
JPH0758709A (en)*	1993-08-09	1995-03-03	Canon Inc	Acoustic communication device
JP3134817B2 (en)*	1997-07-11	2001-02-13	日本電気株式会社	Audio encoding / decoding device
JP2000352999A (en)*	1999-06-11	2000-12-19	Nec Corp	Audio switching device

1999
- 1999-06-11JPJP11164665Apatent/JP2000352999A/enactivePending
2000
- 2000-05-19CACA002376816Apatent/CA2376816A1/ennot_activeAbandoned
- 2000-05-19AUAU47789/00Apatent/AU773996B2/ennot_activeCeased
- 2000-05-19EPEP00929812Apatent/EP1204095A4/ennot_activeWithdrawn
- 2000-05-19WOPCT/JP2000/003230patent/WO2000077775A1/ennot_activeApplication Discontinuation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed*

Also Published As

Publication number	Publication date
AU773996B2 (en)	2004-06-10
CA2376816A1 (en)	2000-12-21
AU4778900A (en)	2001-01-02
JP2000352999A (en)	2000-12-19
WO2000077775A1 (en)	2000-12-21
EP1204095A1 (en)	2002-05-08

Publication	Publication Date	Title
GB2357214B (en)	2003-07-02	Loudspeaker device
EP1170532A4 (en)	2009-04-22	Range switching device
GB2349510B (en)	2001-07-18	Keybutton-equipped device
GB2356212B (en)	2003-10-01	Glass-breaking device
GB2355590B (en)	2003-07-16	Switching device
GB2347269B (en)	2002-08-14	Water-resistant switching device
GB2335820B (en)	2000-11-01	Speaker device
GB9904906D0 (en)	1999-04-28	Device
EP1204095A4 (en)	2005-08-17	Sound switching device
GB9915361D0 (en)	1999-09-01	Acoustic device
GB9911271D0 (en)	1999-07-14	Acoustic device
GB9915686D0 (en)	1999-09-01	Device
GB9913465D0 (en)	1999-08-11	Acoustic device
HUP0104781A3 (en)	2002-04-29	Speaker device
SG78408A1 (en)	2001-02-20	Switching device
GB2352511B (en)	2004-05-12	Colourimetry device
SG83765A1 (en)	2001-10-16	Switching device
GB0006110D0 (en)	2000-05-03	Wear-warning device
GB9904763D0 (en)	1999-04-28	Device
GB9929731D0 (en)	2000-02-09	Acoustic device
GB9909903D0 (en)	1999-06-30	Device
GB0128566D0 (en)	2002-01-23	Acoustic device
GB9930451D0 (en)	2000-02-16	Acoustic device
TW507933U (en)	2002-10-21	Switch device
TW507932U (en)	2002-10-21	Switch device

Legal Events

Date	Code	Title	Description
2002-03-22	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text:ORIGINAL CODE: 0009012
2002-05-08	17P	Request for examination filed	Effective date:20020111
2002-05-08	AK	Designated contracting states	Kind code of ref document:A1 Designated state(s):AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2004-05-19	RBV	Designated contracting states (corrected)	Designated state(s):DE FR GB IT NL SE
2005-08-17	A4	Supplementary search report drawn up and despatched	Effective date:20050706
2005-08-17	RIC1	Information provided on ipc code assigned before grant	Ipc:7G 10L 101/12 B Ipc:7G 10L 19/12 A Ipc:7H 04B 14/04 B
2006-12-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text:STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2007-01-24	18D	Application deemed to be withdrawn	Effective date:20060731

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