GR3029729T3 - Rejected frame concealment. - Google Patents
Rejected frame concealment.Info
- Publication number
- GR3029729T3 GR3029729T3 GR990400814T GR990400814T GR3029729T3 GR 3029729 T3 GR3029729 T3 GR 3029729T3 GR 990400814 T GR990400814 T GR 990400814T GR 990400814 T GR990400814 T GR 990400814T GR 3029729 T3 GR3029729 T3 GR 3029729T3
- Authority
- GR
- Greece
- Prior art keywords
- frame concealment
- rejected frame
- rejected
- concealment
- frame
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
- G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9302025A SE501340C2 (sv) | 1993-06-11 | 1993-06-11 | Döljande av transmissionsfel i en talavkodare |
SE9304058A SE503547C2 (sv) | 1993-06-11 | 1993-12-06 | Anordning och förfarande för döljande av förlorade ramar |
SE9401462A SE502244C2 (sv) | 1993-06-11 | 1994-04-28 | Sätt och anordning för avkodning av ljudsignaler i ett system för mobilradiokommunikation |
PCT/SE1994/000531 WO1994029849A1 (en) | 1993-06-11 | 1994-06-02 | Rejected frame concealment |
Publications (1)
Publication Number | Publication Date |
---|---|
GR3029729T3 true GR3029729T3 (en) | 1999-06-30 |
Family
ID=27355718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR990400814T GR3029729T3 (en) | 1993-06-11 | 1999-03-19 | Rejected frame concealment. |
Country Status (20)
Country | Link |
---|---|
US (1) | US5572622A (el) |
EP (1) | EP0655159B1 (el) |
JP (1) | JPH08500233A (el) |
KR (1) | KR100220380B1 (el) |
CN (1) | CN1064769C (el) |
AU (1) | AU670514B2 (el) |
CA (1) | CA2140364A1 (el) |
DE (1) | DE69416493T2 (el) |
DK (1) | DK0655159T3 (el) |
ES (1) | ES2129646T3 (el) |
FI (1) | FI950590A0 (el) |
GR (1) | GR3029729T3 (el) |
HK (1) | HK1012749A1 (el) |
MX (1) | MX9404252A (el) |
NZ (1) | NZ267733A (el) |
RU (1) | RU2120667C1 (el) |
SE (1) | SE502244C2 (el) |
SG (1) | SG45176A1 (el) |
TW (1) | TW350172B (el) |
WO (1) | WO1994029849A1 (el) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4427351C1 (de) * | 1994-08-02 | 1996-03-28 | Siemens Ag | Signalverarbeitungsverfahren und -anordnung für blockweise codierte Sprachsignale eines Nachrichtensystems |
US5768291A (en) * | 1994-12-29 | 1998-06-16 | Motorola, Inc. | Method and apparatus for error mitigating a received communication signal |
SE9500858L (sv) * | 1995-03-10 | 1996-09-11 | Ericsson Telefon Ab L M | Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning |
US5732389A (en) * | 1995-06-07 | 1998-03-24 | Lucent Technologies Inc. | Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures |
FR2737948B1 (fr) * | 1995-08-16 | 1997-10-17 | Alcatel Mobile Comm France | Dispositif de commande de volume sonore pour recepteur de signaux de parole codes par blocs |
US5774856A (en) * | 1995-10-02 | 1998-06-30 | Motorola, Inc. | User-Customized, low bit-rate speech vocoding method and communication unit for use therewith |
JPH09312620A (ja) * | 1996-05-23 | 1997-12-02 | Nec Corp | 音声データ補間処理装置 |
JPH1091194A (ja) * | 1996-09-18 | 1998-04-10 | Sony Corp | 音声復号化方法及び装置 |
EP0928521A1 (en) * | 1996-09-25 | 1999-07-14 | Qualcomm Incorporated | Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters |
US6205130B1 (en) | 1996-09-25 | 2001-03-20 | Qualcomm Incorporated | Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters |
US7788092B2 (en) | 1996-09-25 | 2010-08-31 | Qualcomm Incorporated | Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters |
DE19716147A1 (de) * | 1997-04-17 | 1998-10-22 | Alsthom Cge Alcatel | Verfahren und Vorrichtung zur Fehlerverdeckung in digitalen Übertragungssystemen |
JPH10327089A (ja) * | 1997-05-23 | 1998-12-08 | Matsushita Electric Ind Co Ltd | 携帯電話装置 |
SE513520C2 (sv) * | 1998-05-14 | 2000-09-25 | Ericsson Telefon Ab L M | Förfarande och anordning för maskering av fördröjda paket |
US6810377B1 (en) | 1998-06-19 | 2004-10-26 | Comsat Corporation | Lost frame recovery techniques for parametric, LPC-based speech coding systems |
US6597961B1 (en) | 1999-04-27 | 2003-07-22 | Realnetworks, Inc. | System and method for concealing errors in an audio transmission |
FI118242B (fi) * | 2000-09-19 | 2007-08-31 | Nokia Corp | Puhekehyksen käsitteleminen radiojärjestelmässä |
WO2002071389A1 (fr) * | 2001-03-06 | 2002-09-12 | Ntt Docomo, Inc. | Procede et dispositif d'interpolation de donnees sonores, procede et dispositif de creation d'informations relatives aux donnees sonores, procede et dispositif de transmission des informations d'interpolation des donnees sonores, et programme et support d'enregistrement correspondants |
US20050044471A1 (en) * | 2001-11-15 | 2005-02-24 | Chia Pei Yen | Error concealment apparatus and method |
WO2005086138A1 (ja) * | 2004-03-05 | 2005-09-15 | Matsushita Electric Industrial Co., Ltd. | エラー隠蔽装置およびエラー隠蔽方法 |
US7409338B1 (en) * | 2004-11-10 | 2008-08-05 | Mediatek Incorporation | Softbit speech decoder and related method for performing speech loss concealment |
CN1929355B (zh) * | 2005-09-09 | 2010-05-05 | 联想(北京)有限公司 | 语音包丢失恢复系统以及方法 |
JP2007150655A (ja) * | 2005-11-28 | 2007-06-14 | Hitachi Kokusai Electric Inc | デジタル無線機 |
JP5142727B2 (ja) * | 2005-12-27 | 2013-02-13 | パナソニック株式会社 | 音声復号装置および音声復号方法 |
DE102007018484B4 (de) | 2007-03-20 | 2009-06-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Senden einer Folge von Datenpaketen und Decodierer und Vorrichtung zum Decodieren einer Folge von Datenpaketen |
US20090055171A1 (en) * | 2007-08-20 | 2009-02-26 | Broadcom Corporation | Buzz reduction for low-complexity frame erasure concealment |
US8560307B2 (en) | 2008-01-28 | 2013-10-15 | Qualcomm Incorporated | Systems, methods, and apparatus for context suppression using receivers |
CN100550133C (zh) * | 2008-03-20 | 2009-10-14 | 华为技术有限公司 | 一种语音信号处理方法及装置 |
CN101931507B (zh) | 2009-06-18 | 2012-09-05 | 华为技术有限公司 | 码本生成方法、数据传输方法及装置 |
US8428959B2 (en) * | 2010-01-29 | 2013-04-23 | Polycom, Inc. | Audio packet loss concealment by transform interpolation |
US8600325B2 (en) * | 2010-04-09 | 2013-12-03 | Harris Corporation | Simulated degradation of SNR in decoded digital audio correlated to wireless link bit-error rate |
TWI484479B (zh) * | 2011-02-14 | 2015-05-11 | Fraunhofer Ges Forschung | 用於低延遲聯合語音及音訊編碼中之錯誤隱藏之裝置和方法 |
FR3008533A1 (fr) * | 2013-07-12 | 2015-01-16 | Orange | Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4281218A (en) * | 1979-10-26 | 1981-07-28 | Bell Telephone Laboratories, Incorporated | Speech-nonspeech detector-classifier |
US4357491A (en) * | 1980-09-16 | 1982-11-02 | Northern Telecom Limited | Method of and apparatus for detecting speech in a voice channel signal |
GB2239971B (en) * | 1989-12-06 | 1993-09-29 | Ca Nat Research Council | System for separating speech from background noise |
US5271011A (en) * | 1992-03-16 | 1993-12-14 | Scientific-Atlanta, Inc. | Digital audio data muting system and method |
US5309443A (en) * | 1992-06-04 | 1994-05-03 | Motorola, Inc. | Dynamic muting method for ADPCM coded speech |
-
1994
- 1994-04-28 SE SE9401462A patent/SE502244C2/sv not_active IP Right Cessation
- 1994-06-02 NZ NZ267733A patent/NZ267733A/en unknown
- 1994-06-02 RU RU95108220A patent/RU2120667C1/ru active
- 1994-06-02 EP EP94919039A patent/EP0655159B1/en not_active Expired - Lifetime
- 1994-06-02 ES ES94919039T patent/ES2129646T3/es not_active Expired - Lifetime
- 1994-06-02 CN CN94190363A patent/CN1064769C/zh not_active Expired - Lifetime
- 1994-06-02 SG SG1996000949A patent/SG45176A1/en unknown
- 1994-06-02 DE DE69416493T patent/DE69416493T2/de not_active Expired - Lifetime
- 1994-06-02 CA CA002140364A patent/CA2140364A1/en not_active Abandoned
- 1994-06-02 JP JP7501661A patent/JPH08500233A/ja not_active Abandoned
- 1994-06-02 DK DK94919039T patent/DK0655159T3/da active
- 1994-06-02 WO PCT/SE1994/000531 patent/WO1994029849A1/en active IP Right Grant
- 1994-06-02 KR KR1019950700529A patent/KR100220380B1/ko not_active IP Right Cessation
- 1994-06-02 AU AU70114/94A patent/AU670514B2/en not_active Expired
- 1994-06-06 MX MX9404252A patent/MX9404252A/es not_active IP Right Cessation
- 1994-06-10 US US08/258,578 patent/US5572622A/en not_active Expired - Lifetime
- 1994-06-16 TW TW083105447A patent/TW350172B/zh active
-
1995
- 1995-02-10 FI FI950590A patent/FI950590A0/fi unknown
-
1998
- 1998-12-16 HK HK98113791A patent/HK1012749A1/xx not_active IP Right Cessation
-
1999
- 1999-03-19 GR GR990400814T patent/GR3029729T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
WO1994029849A1 (en) | 1994-12-22 |
ES2129646T3 (es) | 1999-06-16 |
SE9401462L (sv) | 1994-12-12 |
AU7011494A (en) | 1995-01-03 |
KR100220380B1 (ko) | 1999-09-15 |
CN1064769C (zh) | 2001-04-18 |
JPH08500233A (ja) | 1996-01-09 |
RU2120667C1 (ru) | 1998-10-20 |
KR950703193A (ko) | 1995-08-23 |
DE69416493D1 (de) | 1999-03-25 |
DK0655159T3 (da) | 1999-09-20 |
MX9404252A (es) | 1995-01-31 |
FI950590A (fi) | 1995-02-10 |
US5572622A (en) | 1996-11-05 |
NZ267733A (en) | 1996-08-27 |
SG45176A1 (en) | 1998-01-16 |
TW350172B (en) | 1999-01-11 |
DE69416493T2 (de) | 1999-06-24 |
AU670514B2 (en) | 1996-07-18 |
CN1110883A (zh) | 1995-10-25 |
CA2140364A1 (en) | 1994-12-22 |
FI950590A0 (fi) | 1995-02-10 |
HK1012749A1 (en) | 1999-08-06 |
SE9401462D0 (sv) | 1994-04-28 |
SE502244C2 (sv) | 1995-09-25 |
EP0655159A1 (en) | 1995-05-31 |
EP0655159B1 (en) | 1999-02-10 |
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