BR9403927A - Processo e aparelho para codificar e/ou decodificar sons de fundo em um condificador e/ou decodificador de voz baseado em quadros digitais - Google Patents

Processo e aparelho para codificar e/ou decodificar sons de fundo em um condificador e/ou decodificador de voz baseado em quadros digitais

Info

Publication number
BR9403927A
BR9403927A BR9403927A BR9403927A BR9403927A BR 9403927 A BR9403927 A BR 9403927A BR 9403927 A BR9403927 A BR 9403927A BR 9403927 A BR9403927 A BR 9403927A BR 9403927 A BR9403927 A BR 9403927A
Authority
BR
Brazil
Prior art keywords
decoder
background sounds
encoding
digital frame
based voice
Prior art date
Application number
BR9403927A
Other languages
English (en)
Inventor
Rolf Anders Bergstrom
Original Assignee
Ericsson Telefon Ab L M
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.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR9403927A publication Critical patent/BR9403927A/pt

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
BR9403927A 1993-01-29 1994-01-17 Processo e aparelho para codificar e/ou decodificar sons de fundo em um condificador e/ou decodificador de voz baseado em quadros digitais BR9403927A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9300290A SE470577B (sv) 1993-01-29 1993-01-29 Förfarande och anordning för kodning och/eller avkodning av bakgrundsljud
PCT/SE1994/000027 WO1994017515A1 (en) 1993-01-29 1994-01-17 Method and apparatus for encoding/decoding of background sounds

Publications (1)

Publication Number Publication Date
BR9403927A true BR9403927A (pt) 1999-06-01

Family

ID=20388714

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9403927A BR9403927A (pt) 1993-01-29 1994-01-17 Processo e aparelho para codificar e/ou decodificar sons de fundo em um condificador e/ou decodificador de voz baseado em quadros digitais

Country Status (22)

Country Link
US (1) US5632004A (pt)
EP (1) EP0634041B1 (pt)
JP (1) JPH07505732A (pt)
KR (1) KR100216018B1 (pt)
CN (1) CN1044293C (pt)
AT (1) ATE168809T1 (pt)
AU (1) AU666612B2 (pt)
BR (1) BR9403927A (pt)
CA (1) CA2133071A1 (pt)
DE (1) DE69411817T2 (pt)
DK (1) DK0634041T3 (pt)
ES (1) ES2121189T3 (pt)
FI (1) FI944494A0 (pt)
HK (1) HK1015183A1 (pt)
MY (1) MY111784A (pt)
NO (1) NO306688B1 (pt)
NZ (1) NZ261180A (pt)
PH (1) PH31235A (pt)
SE (1) SE470577B (pt)
SG (1) SG46992A1 (pt)
TW (1) TW262618B (pt)
WO (1) WO1994017515A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE501305C2 (sv) * 1993-05-26 1995-01-09 Ericsson Telefon Ab L M Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler
KR0183328B1 (ko) * 1994-10-28 1999-04-15 다나까 미노루 부호화 데이터 복호 장치와 그것을 이용한 화상 오디오다중화 데이터 복호 장치
US5642464A (en) * 1995-05-03 1997-06-24 Northern Telecom Limited Methods and apparatus for noise conditioning in digital speech compression systems using linear predictive coding
US5950151A (en) * 1996-02-12 1999-09-07 Lucent Technologies Inc. Methods for implementing non-uniform filters
US6026356A (en) * 1997-07-03 2000-02-15 Nortel Networks Corporation Methods and devices for noise conditioning signals representative of audio information in compressed and digitized form
JP2982147B1 (ja) * 1998-10-08 1999-11-22 コナミ株式会社 背景音切替装置、背景音切替方法、背景音切替プログラムが記録された可読記録媒体及びビデオゲーム装置
JP2000112485A (ja) 1998-10-08 2000-04-21 Konami Co Ltd 背景音制御装置、背景音制御方法、背景音制御プログラムが記録された可読記録媒体及びビデオゲーム装置
US6519260B1 (en) 1999-03-17 2003-02-11 Telefonaktiebolaget Lm Ericsson (Publ) Reduced delay priority for comfort noise
WO2001031636A2 (en) * 1999-10-25 2001-05-03 Lernout & Hauspie Speech Products N.V. Speech recognition on gsm encoded data
JP4095227B2 (ja) 2000-03-13 2008-06-04 株式会社コナミデジタルエンタテインメント ビデオゲーム装置、ビデオゲームにおける背景音出力設定方法及び背景音出力設定プログラムが記録されたコンピュータ読み取り可能な記録媒体
US8100277B1 (en) 2005-07-14 2012-01-24 Rexam Closures And Containers Inc. Peelable seal for an opening in a container neck
WO2008108721A1 (en) 2007-03-05 2008-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for controlling smoothing of stationary background noise
US8457953B2 (en) 2007-03-05 2013-06-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for smoothing of stationary background noise
US8251236B1 (en) 2007-11-02 2012-08-28 Berry Plastics Corporation Closure with lifting mechanism
CN105440018A (zh) * 2015-11-27 2016-03-30 福州闽海药业有限公司 一种锆催化的右旋兰索拉唑的不对称氧化合成方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4363122A (en) * 1980-09-16 1982-12-07 Northern Telecom Limited Mitigation of noise signal contrast in a digital speech interpolation transmission system
GB2137791B (en) * 1982-11-19 1986-02-26 Secr Defence Noise compensating spectral distance processor
US4700361A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation Spectral emphasis and de-emphasis
IE61863B1 (en) * 1988-03-11 1994-11-30 British Telecomm Voice activity detection
US5007094A (en) * 1989-04-07 1991-04-09 Gte Products Corporation Multipulse excited pole-zero filtering approach for noise reduction
JPH02288520A (ja) * 1989-04-28 1990-11-28 Hitachi Ltd 背景音再生機能付き音声符号復号方式
GB2239971B (en) * 1989-12-06 1993-09-29 Ca Nat Research Council System for separating speech from background noise
DE69121312T2 (de) * 1990-05-28 1997-01-02 Matsushita Electric Ind Co Ltd Geräuschsignalvorhersagevorrichtung
US5218619A (en) * 1990-12-17 1993-06-08 Ericsson Ge Mobile Communications Holding, Inc. CDMA subtractive demodulation
US5341456A (en) * 1992-12-02 1994-08-23 Qualcomm Incorporated Method for determining speech encoding rate in a variable rate vocoder

Also Published As

Publication number Publication date
PH31235A (en) 1998-06-16
FI944494A (fi) 1994-09-28
SE9300290D0 (sv) 1993-01-29
NO306688B1 (no) 1999-12-06
NO943584D0 (no) 1994-09-27
WO1994017515A1 (en) 1994-08-04
SG46992A1 (en) 1998-03-20
HK1015183A1 (en) 1999-10-08
SE9300290L (sv) 1994-07-30
AU5981394A (en) 1994-08-15
DE69411817T2 (de) 1998-12-03
US5632004A (en) 1997-05-20
TW262618B (pt) 1995-11-11
CN1044293C (zh) 1999-07-21
KR950701113A (ko) 1995-02-20
JPH07505732A (ja) 1995-06-22
FI944494A0 (fi) 1994-09-28
DE69411817D1 (de) 1998-08-27
EP0634041A1 (en) 1995-01-18
DK0634041T3 (da) 1998-10-26
MY111784A (en) 2000-12-30
AU666612B2 (en) 1996-02-15
ES2121189T3 (es) 1998-11-16
KR100216018B1 (ko) 1999-08-16
ATE168809T1 (de) 1998-08-15
NO943584L (no) 1994-09-27
SE470577B (sv) 1994-09-19
CN1101214A (zh) 1995-04-05
EP0634041B1 (en) 1998-07-22
CA2133071A1 (en) 1994-07-30
NZ261180A (en) 1996-07-26

Similar Documents

Publication Publication Date Title
ATE206252T1 (de) Verfahren und vorrichtung zum codieren von audiosignalen sowie verfahren und vorrichtungen zum decodieren eines bitstroms
BR9403927A (pt) Processo e aparelho para codificar e/ou decodificar sons de fundo em um condificador e/ou decodificador de voz baseado em quadros digitais
NO981532D0 (no) Fremgangsmåte og innretning for koding av lydsignaler
CA2335008A1 (en) Method and apparatus for performing packet loss or frame erasure concealment
CA2194419A1 (en) Perceptual noise shaping in the time domain via lpc prediction in the frequency domain
BR9606800B1 (pt) método e aparelho para detecção e desvio de sintetização de voz tipo "tandem".
DE69926821D1 (de) Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen
CA2306098A1 (en) Multimode speech coding apparatus and decoding apparatus
CA2354396A1 (en) Data framing for adaptive-block-length coding system
DK0954909T3 (da) Fremgangsmåde til kodning af et audiosignal
DE602004023240D1 (de) Kodierung und Dekodierung von Mehrkanaltonsignalen basierend auf einer Haupt- und Nebensignal Darstellung
DE69724126D1 (de) Audiosignalkodier- und dekodierverfahren und audiosignalkodierer und -dekodierer
HK1058096A1 (en) Enhancing the performance of coding systems that use high frequency reconstruction methods.
JP2002542518A5 (pt)
ATE218260T1 (de) Vorrichtung und verfahren zur videosignalkodierung
EP0829875A4 (en) METHOD AND DEVICE FOR CODING AUDIO SIGNALS AND METHOD AND DEVICE FOR DECODING AUDIO SIGNALS
SE9800338D0 (sv) Audio coding method and apparatus
KR960043830A (ko) Mpeg과 ac-3겸용 디지탈 오디오신호의 복호화장치
DE59007278D1 (de) Signalverarbeitungssystem für digitale signale.
TH21579A (th) การกำจัดกรอบที่ถูกส่งกลับ
TH21579EX (th) การกำจัดกรอบที่ถูกส่งกลับ

Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 10A , 11A , 12A , 13A , 14A , 15A E 16A ANUIDADES.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)

Free format text: EXTINCAO DEFINITIVA - ART. 78 INCISO IV DA LPI

B15K Others concerning applications: alteration of classification

Ipc: G10L 25/78 (2013.01)

B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2240 DE 10/12/2013 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 10A, 11A, 12A, 13A, 14A, 15A E 16A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2605 DE 08-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.