DE69823458D1 - Mehrband-Sprachdecoder - Google Patents

Mehrband-Sprachdecoder

Info

Publication number: DE69823458D1
Authority: DE; Germany
Prior art keywords: multiband; speech decoder; speech; decoder; multiband speech
Prior art date: 1997-11-05
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

Application number

DE69823458T

Other languages

English (en)

Other versions

DE69823458T2 (de

Inventor

Satoshi Hasegawa

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.)

Crescent Moon LLC

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.)

1997-11-05

Filing date

1998-11-05

Publication date

2004-06-03

1998-11-05 Application filed by NEC Corp filed Critical NEC Corp

2004-06-03 Publication of DE69823458D1 publication Critical patent/DE69823458D1/de

2005-04-14 Application granted granted Critical

2005-04-14 Publication of DE69823458T2 publication Critical patent/DE69823458T2/de

2018-11-06 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- G10L13/00—Speech synthesis; Text to speech systems
- 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
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
- G10L19/0208—Subband vocoders
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/005—Tone control or bandwidth control in amplifiers of digital signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Computational Linguistics (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Spectroscopy & Molecular Physics (AREA)
Computer Networks & Wireless Communication (AREA)
Quality & Reliability (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

DE69823458T 1997-11-05 1998-11-05 Mehrband-Sprachdecoder Expired - Lifetime DE69823458T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP30228997A JP3164038B2 (ja)	1997-11-05	1997-11-05	音声帯域分割復号装置
JP30228997		1997-11-05

Publications (2)

Publication Number	Publication Date
DE69823458D1 true DE69823458D1 (de)	2004-06-03
DE69823458T2 DE69823458T2 (de)	2005-04-14

Family

ID=17907210

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69823458T Expired - Lifetime DE69823458T2 (de)	1997-11-05	1998-11-05	Mehrband-Sprachdecoder

Country Status (5)

Country	Link
US (1)	US6718295B2 (de)
EP (1)	EP0920127B1 (de)
JP (1)	JP3164038B2 (de)
KR (1)	KR100313204B1 (de)
DE (1)	DE69823458T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3620787B2 (ja) *	2000-02-28	2005-02-16	カナース・データー株式会社	音声データの符号化方法
KR100348628B1 (ko) *	2000-10-31	2002-08-13	엘지전자주식회사	디지털 오디오 플레이어의 음량 보정방법
SE0101175D0 (sv)	2001-04-02	2001-04-02	Coding Technologies Sweden Ab	Aliasing reduction using complex-exponential-modulated filterbanks
GB0410454D0 (en) *	2004-05-11	2004-06-16	Radioscape Ltd	Automatic selection of audio-equaliser parameters dependent on broadcast programme type information
US20080059201A1 (en) *	2006-09-03	2008-03-06	Chih-Hsiang Hsiao	Method and Related Device for Improving the Processing of MP3 Decoding and Encoding
KR20080073926A (ko) *	2007-02-07	2008-08-12	삼성전자주식회사	오디오 신호를 복호화하는 장치에서 이퀄라이저를 구현하는방법 및 이를 위한 장치
JP5045295B2 (ja) *	2007-07-30	2012-10-10	ソニー株式会社	信号処理装置及び方法、並びにプログラム
JP5098492B2 (ja) *	2007-07-30	2012-12-12	ソニー株式会社	信号処理装置及び信号処理方法、並びにプログラム
WO2011047887A1 (en)	2009-10-21	2011-04-28	Dolby International Ab	Oversampling in a combined transposer filter bank
JPWO2016088582A1 (ja) *	2014-12-04	2017-09-21	ソニー株式会社	データ処理装置、データ処理方法、及び、プログラム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59178808A (ja)	1983-03-30	1984-10-11	Oki Electric Ind Co Ltd	オ−デイオ用デジタルイコライザアンプ
ES2087522T3 (es) *	1991-01-08	1996-07-16	Dolby Lab Licensing Corp	Descodificacion/codificacion para campos sonoros multidimensionales.
US5729556A (en) *	1993-02-22	1998-03-17	Texas Instruments	System decoder circuit with temporary bit storage and method of operation
JP3263484B2 (ja)	1993-06-07	2002-03-04	三洋電機株式会社	音声帯域分割復号化装置
JP3653826B2 (ja) *	1995-10-26	2005-06-02	ソニー株式会社	音声復号化方法及び装置
GB9606680D0 (en) *	1996-03-29	1996-06-05	Philips Electronics Nv	Compressed audio signal processing

1997
- 1997-11-05 JP JP30228997A patent/JP3164038B2/ja not_active Expired - Fee Related
1998
- 1998-11-05 US US09/186,439 patent/US6718295B2/en not_active Expired - Lifetime
- 1998-11-05 KR KR1019980047383A patent/KR100313204B1/ko not_active IP Right Cessation
- 1998-11-05 DE DE69823458T patent/DE69823458T2/de not_active Expired - Lifetime
- 1998-11-05 EP EP98120983A patent/EP0920127B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US6718295B2 (en)	2004-04-06
KR100313204B1 (ko)	2001-12-12
JP3164038B2 (ja)	2001-05-08
EP0920127A2 (de)	1999-06-02
US20020069051A1 (en)	2002-06-06
KR19990045053A (ko)	1999-06-25
JPH11145842A (ja)	1999-05-28
DE69823458T2 (de)	2005-04-14
EP0920127B1 (de)	2004-04-28
EP0920127A3 (de)	2002-04-03

Publication	Publication Date	Title
DE69814517D1 (de)	2003-06-18	Sprachkodierung
DE69721349D1 (de)	2003-06-05	Sprachkodierung
DE69815650D1 (de)	2003-07-24	Sprachkodierer
DE69809155D1 (de)	2002-12-12	Viterbi-Dekoder
DE69932460D1 (de)	2006-08-31	Sprachkodierer/dekodierer
DE69718234D1 (de)	2003-02-13	Sprachkodierer
DE69917961D1 (de)	2004-07-22	Phonembasierte Sprachsynthese
DE69629667D1 (de)	2003-10-02	Sprachsegmentierung
FR2722041B1 (fr)	1998-01-02	Decodeur de huffman
DE69836432D1 (de)	2006-12-28	Bildcoder und -decoder
FI980532A (fi)	1999-09-10	Puhekoodaus
FI973873A (fi)	1999-04-03	Puhekoodaus
DE69728945D1 (de)	2004-06-09	Reed-Solomon Dekoder
BR9603743A (pt)	1998-06-02	Decodificador convolucional
DE69524321D1 (de)	2002-01-17	Spracherkenner
DE59700041D1 (de)	1999-01-14	Reflektor
HK1117629A1 (en)	2009-01-16	Speech decoding
EP1126438A4 (de)	2005-04-06	Spracherkenner
DE60028500D1 (de)	2006-07-20	Sprachdekodierung
DE69917960D1 (de)	2004-07-22	Phonembasierte Sprachsynthese
DE69420682D1 (de)	1999-10-21	Sprachdekodierer
DE60032068D1 (de)	2007-01-11	Sprachdekodierung
DK0832553T3 (da)	2002-05-06	Mejetærsker
DE69823458D1 (de)	2004-06-03	Mehrband-Sprachdecoder
DE69524002D1 (de)	2002-01-03	Sprachkodierer

Legal Events

Date	Code	Title	Description
2005-05-25	8364	No opposition during term of opposition
2010-02-18	8327	Change in the person/name/address of the patent owner	Owner name: CRESCENT MOON, LLC, SAN DIEGO, CALIF., CA
2010-02-18	8328	Change in the person/name/address of the agent	Representative=s name: VOSSIUS & PARTNER, 81675 MUENCHEN