ES2114820A1 - Metodo para evaluar el periodo de espera en un decodificador vocal en transmision discontinua, y los correspondientes decodificador vocal y transmisor-receptor para sistemas de comunicacion. - Google Patents
Metodo para evaluar el periodo de espera en un decodificador vocal en transmision discontinua, y los correspondientes decodificador vocal y transmisor-receptor para sistemas de comunicacion.Info
- Publication number
- ES2114820A1 ES2114820A1 ES09601195A ES9601195A ES2114820A1 ES 2114820 A1 ES2114820 A1 ES 2114820A1 ES 09601195 A ES09601195 A ES 09601195A ES 9601195 A ES9601195 A ES 9601195A ES 2114820 A1 ES2114820 A1 ES 2114820A1
- Authority
- ES
- Spain
- Prior art keywords
- period
- periods
- frame
- silence
- information
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Electric Clocks (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
METODO PARA EVALUAR EL PERIODO DE ESPERA EN UN DECODIFICADOR VOCAL EN TRANSMISION DISCONTINUA, Y LOS CORRESPONDIENTES DECODIFICADOR VOCAL Y TRANSMISORRECEPTOR PARA SISTEMAS DE COMUNICACION. LA INVENCION SE REFIERE A UN METODO PARA SINCRONIZACION MUTUA DEL CODIFICADOR VOCAL DEL TRANSMISOR Y DEL DECODIFICADOR VOCAL DEL RECEPTOR EN UN SISTEMA DE COMUNICACION QUE UTILIZA TRANSMISION DISCONTINUA ENTRE EL TRANSMISOR Y EL RECEPTOR. LA TRANSMISION DISCONTINUA COMPRENDE PERIODOS DE BLOQUES SECUENCIADOS TEMPORALMENTE, ALGUNOS DE CUYOS PERIODOS CONTENDRAN BLOQUES TRANSMITIDOS Y ALGUNOS PERIODOS NO CONTENDRAN TRANSMISION; POR LO CUAL EL METODO CONTIENE ETAPAS PARA GENERAR PERIODOS DE TRANSMISION DE INFORMACION (200) QUE COMPRENDEN AL MENOS UN BLOQUE Y QUE CONTIENEN INFORMACION DADA POR UN USUARIO A DICHO DISPOSITIVO TRANSMISOR, Y PERIODOS DE SILENCIO (208, 209) QUE TIENEN UNA DURACION DE AL MENOS EL PERIODO DE UN BLOQUE Y QUE CONTIENEN INFORMACION DISTINTA A LA DADA POR EL USUARIO. LA TRANSMISION DISCONTINUA COMPRENDE ADICIONALMENTE UN PERIODO (T) QUE OCURRE IRREGULARMENTE, QUE COMPRENDE ENTRE EL PERIODO DE TRANSMISION DE INFORMACION (200) Y EL PERIODO DE SILENCIO (208, 209) SIGUIENTE AL MENOS UN BLOQUE, FORMANDO ESTE PERIODO IRREGULAR UN PERIODO DE ESPERA PARA DETERMINAR LA INFORMACION RELATIVA AL PERIODO DE SILENCIO. EN EL METODO DE ACUERDO CON LA INVENCION, EL NUMERO DE PERIODOS DE BLOQUES SE CONTABILIZA EN EL RECEPTOR HASTA UN CIERTO INSTANTE; SE DETECTA EL COMIENZO DE DICHO PERIODO DE SILENCIO (208, 209); Y EN BASE A DICHO NUMERO CONTABILIZADO DE PERIODOS DE BLOQUES Y AL COMIENZO DEL PERIODO DE SILENCIO (208, 209) SE DECIDE SI EXISTE O NO UN PERIODO DE ESPERA (T) DE DICHO TIPO ENTRE DICHO PERIODO DE TRANSMISION DE INFORMACION (200) Y EL PERIODO DE SILENCIO (208) SIGUIENTE AL PERIODO DE TRANSMISION DE INFORMACION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI953252A FI105001B (fi) | 1995-06-30 | 1995-06-30 | Menetelmä odotusajan selvittämiseksi puhedekooderissa epäjatkuvassa lähetyksessä ja puhedekooderi sekä lähetin-vastaanotin |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2114820A1 true ES2114820A1 (es) | 1998-06-01 |
ES2114820B1 ES2114820B1 (es) | 1999-01-16 |
Family
ID=8543714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES09601195A Expired - Fee Related ES2114820B1 (es) | 1995-06-30 | 1996-05-30 | Metodo para evaluar el periodo de espera en un decodificador vocal en transmision discontinua, y los correspondientes decodificador vocal y transmisor-receptor para sistemas de comunicacion. |
Country Status (17)
Country | Link |
---|---|
US (1) | US5835889A (es) |
JP (1) | JP3826185B2 (es) |
CN (1) | CN1135759C (es) |
AT (1) | AT405346B (es) |
AU (1) | AU701220B2 (es) |
BR (1) | BR9608734A (es) |
CA (1) | CA2222501C (es) |
DE (1) | DE19617630B4 (es) |
ES (1) | ES2114820B1 (es) |
FI (1) | FI105001B (es) |
FR (1) | FR2736186B1 (es) |
GB (1) | GB2303034B (es) |
IT (1) | IT1283133B1 (es) |
MX (1) | MX9710357A (es) |
RU (1) | RU2158446C2 (es) |
SE (1) | SE518907C2 (es) |
WO (1) | WO1997002561A1 (es) |
Families Citing this family (57)
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FI99066C (fi) * | 1995-01-31 | 1997-09-25 | Nokia Mobile Phones Ltd | Tiedonsiirtomenetelmä |
FI961568A (fi) * | 1996-04-10 | 1997-10-11 | Nokia Telecommunications Oy | Epäjatkuva lähetys analogisessa matkaviestinjärjestelmässä |
SE507370C2 (sv) * | 1996-09-13 | 1998-05-18 | Ericsson Telefon Ab L M | Metod och anordning för att alstra komfortbrus i linjärprediktiv talavkodare |
US6269331B1 (en) | 1996-11-14 | 2001-07-31 | Nokia Mobile Phones Limited | Transmission of comfort noise parameters during discontinuous transmission |
KR19990082059A (ko) * | 1996-11-29 | 1999-11-15 | 요트.게.아. 롤페즈 | 전기 통신 시스템, 채널 확장 프로토콜, 및 무선 스테이션 |
CN1179534C (zh) * | 1996-11-29 | 2004-12-08 | 皇家菲利浦电子有限公司 | 一种电信系统、一种信道选择方法和一种无线台 |
ES2157854B1 (es) * | 1997-04-10 | 2002-04-01 | Nokia Mobile Phones Ltd | Metodo para disminuir el porcentaje de error de bloque en una transmision de datos en forma de bloques de datos y los correspondientes sistema de transmision de datos y estacion movil. |
EP0925657B1 (en) * | 1997-07-14 | 2011-06-08 | The DIRECTV Group, Inc. | System and method for implementing terminal to terminal connections via a geosynchronous earth orbit satellite |
US6347081B1 (en) * | 1997-08-25 | 2002-02-12 | Telefonaktiebolaget L M Ericsson (Publ) | Method for power reduced transmission of speech inactivity |
US6545989B1 (en) * | 1998-02-19 | 2003-04-08 | Qualcomm Incorporated | Transmit gating in a wireless communication system |
FI105634B (fi) | 1998-04-30 | 2000-09-15 | Nokia Mobile Phones Ltd | Menetelmä videokuvien siirtämiseksi, tiedonsiirtojärjestelmä ja multimediapäätelaite |
FI981508A (fi) | 1998-06-30 | 1999-12-31 | Nokia Mobile Phones Ltd | Menetelmä, laite ja järjestelmä käyttäjän tilan arvioimiseksi |
GB9817292D0 (en) | 1998-08-07 | 1998-10-07 | Nokia Mobile Phones Ltd | Digital video coding |
FI105635B (fi) * | 1998-09-01 | 2000-09-15 | Nokia Mobile Phones Ltd | Menetelmä taustakohinainformaation lähettämiseksi tietokehysmuotoisessa tiedonsiirrossa |
FI106906B (fi) * | 1998-09-09 | 2001-04-30 | Nokia Networks Oy | Lähetysmenetelmä ja radiojärjestelmä |
FI982490A0 (fi) | 1998-11-18 | 1998-11-18 | Nokia Corp | Menetelmä ja järjestelmä viestintää varten |
JP2000172283A (ja) * | 1998-12-01 | 2000-06-23 | Nec Corp | 有音検出方式及び方法 |
US7423983B1 (en) * | 1999-09-20 | 2008-09-09 | Broadcom Corporation | Voice and data exchange over a packet based network |
DE60026021T2 (de) * | 1999-04-16 | 2006-08-03 | Nokia Corp. | Cdma-system mit diskontinuierlicher übertragung |
GB9908805D0 (en) | 1999-04-16 | 1999-06-09 | Nokia Telecommunications Oy | A method of transmitting |
US6381568B1 (en) * | 1999-05-05 | 2002-04-30 | The United States Of America As Represented By The National Security Agency | Method of transmitting speech using discontinuous transmission and comfort noise |
JP3451998B2 (ja) * | 1999-05-31 | 2003-09-29 | 日本電気株式会社 | 無音声符号化を含む音声符号化・復号装置、復号化方法及びプログラムを記録した記録媒体 |
US6370392B1 (en) * | 1999-09-13 | 2002-04-09 | Nortel Networks Limited | Method and system for detecting discontinuous transmission mode |
DE69931783T2 (de) * | 1999-10-18 | 2007-06-14 | Lucent Technologies Inc. | Verbesserung bei digitaler Kommunikationseinrichtung |
US7080009B2 (en) * | 2000-05-01 | 2006-07-18 | Motorola, Inc. | Method and apparatus for reducing rate determination errors and their artifacts |
US7075907B1 (en) | 2000-06-06 | 2006-07-11 | Nokia Corporation | Method for signalling DTX periods and allocation of new channels in a statistical multiplexed radio interface |
US6424637B1 (en) * | 2000-06-23 | 2002-07-23 | Motorola, Inc. | Method for synchronizing a mobile station to UMTS while operating in GSM dedicated mode |
US20020116186A1 (en) * | 2000-09-09 | 2002-08-22 | Adam Strauss | Voice activity detector for integrated telecommunications processing |
US6907030B1 (en) * | 2000-10-02 | 2005-06-14 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for decoding multiplexed, packet-based signals in a telecommunications network |
US8111689B2 (en) | 2001-01-16 | 2012-02-07 | Nokia Corporation | System for uplink scheduling packet based data traffic in wireless system |
US20030120484A1 (en) * | 2001-06-12 | 2003-06-26 | David Wong | Method and system for generating colored comfort noise in the absence of silence insertion description packets |
JP4518714B2 (ja) * | 2001-08-31 | 2010-08-04 | 富士通株式会社 | 音声符号変換方法 |
US7746797B2 (en) * | 2002-10-09 | 2010-06-29 | Nortel Networks Limited | Non-intrusive monitoring of quality levels for voice communications over a packet-based network |
EP1424796A1 (en) * | 2002-11-29 | 2004-06-02 | Siemens Mobile Communications S.p.A. | A method for detecting bursts in a telecommunication system |
US7596488B2 (en) * | 2003-09-15 | 2009-09-29 | Microsoft Corporation | System and method for real-time jitter control and packet-loss concealment in an audio signal |
US7412376B2 (en) * | 2003-09-10 | 2008-08-12 | Microsoft Corporation | System and method for real-time detection and preservation of speech onset in a signal |
WO2006104576A2 (en) * | 2005-03-24 | 2006-10-05 | Mindspeed Technologies, Inc. | Adaptive voice mode extension for a voice activity detector |
US20060217972A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for modifying an encoded signal |
US20060215683A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for voice quality enhancement |
US20060217983A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for injecting comfort noise in a communications system |
US20060217970A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for noise reduction |
US20060217988A1 (en) * | 2005-03-28 | 2006-09-28 | Tellabs Operations, Inc. | Method and apparatus for adaptive level control |
JP4793539B2 (ja) * | 2005-03-29 | 2011-10-12 | 日本電気株式会社 | 符号変換方法及び装置とプログラム並びにその記憶媒体 |
US20080021702A1 (en) * | 2006-06-28 | 2008-01-24 | Shaojie Chen | Wireless communication apparatus including a mechanism for suppressing uplink noise |
CN101207534B (zh) * | 2006-12-20 | 2010-04-14 | 华为技术有限公司 | 一种信号发送方法以及通讯系统 |
GB2447299A (en) * | 2007-03-09 | 2008-09-10 | Nec Corp | Control of discontinuous Rx/Tx in a mobile communication system |
EP2156587A1 (en) | 2007-04-30 | 2010-02-24 | Nokia Siemens Networks OY | Coordinated cyclic shift and sequence hopping for zadoff-chu, modified zadoff-chu, and block-wise spreading sequences |
DE102007025223A1 (de) * | 2007-05-31 | 2008-12-04 | Süd-Chemie AG | Zirkoniumoxid-dotierter VAM-Schalenkatalysator, Verfahren zu dessen Herstellung sowie dessen Verwendung |
DE102008009719A1 (de) * | 2008-02-19 | 2009-08-20 | Siemens Enterprise Communications Gmbh & Co. Kg | Verfahren und Mittel zur Enkodierung von Hintergrundrauschinformationen |
DE102008009720A1 (de) * | 2008-02-19 | 2009-08-20 | Siemens Enterprise Communications Gmbh & Co. Kg | Verfahren und Mittel zur Dekodierung von Hintergrundrauschinformationen |
CN101335000B (zh) * | 2008-03-26 | 2010-04-21 | 华为技术有限公司 | 编码的方法及装置 |
MY154452A (en) | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
ES2741963T3 (es) * | 2008-07-11 | 2020-02-12 | Fraunhofer Ges Forschung | Codificadores de señal de audio, métodos para codificar una señal de audio y programas informáticos |
US8422679B2 (en) | 2008-10-17 | 2013-04-16 | Motorola Solutions, Inc. | Method and device for sending encryption parameters |
SG188327A1 (en) * | 2010-09-02 | 2013-04-30 | Microsoft Corp | Generation and application of a sub-codebook of an error control coding codebook |
US8751223B2 (en) * | 2011-05-24 | 2014-06-10 | Alcatel Lucent | Encoded packet selection from a first voice stream to create a second voice stream |
CN106465349B (zh) * | 2014-05-08 | 2020-06-09 | 瑞典爱立信有限公司 | 用于检测用户设备中的静默时段状态的方法、系统和设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2256351A (en) * | 1991-05-25 | 1992-12-02 | Motorola Inc | Enhancement of echo return loss |
WO1993013516A1 (en) * | 1991-12-23 | 1993-07-08 | Motorola Inc. | Variable hangover time in a voice activity detector |
JPH0653927A (ja) * | 1992-07-31 | 1994-02-25 | Nec Corp | Dsi装置 |
WO1995012879A1 (en) * | 1993-11-02 | 1995-05-11 | Telefonaktiebolaget Lm Ericsson | Discriminating between stationary and non-stationary signals |
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US4897832A (en) * | 1988-01-18 | 1990-01-30 | Oki Electric Industry Co., Ltd. | Digital speech interpolation system and speech detector |
JP2518765B2 (ja) * | 1991-05-31 | 1996-07-31 | 国際電気株式会社 | 音声符号化通信方式及びその装置 |
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JP2897551B2 (ja) * | 1992-10-12 | 1999-05-31 | 日本電気株式会社 | 音声復号化装置 |
JP3182032B2 (ja) * | 1993-12-10 | 2001-07-03 | 株式会社日立国際電気 | 音声符号化通信方式及びその装置 |
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-
1995
- 1995-06-30 FI FI953252A patent/FI105001B/fi not_active IP Right Cessation
-
1996
- 1996-05-02 DE DE19617630A patent/DE19617630B4/de not_active Expired - Lifetime
- 1996-05-29 AT AT0093596A patent/AT405346B/de not_active IP Right Cessation
- 1996-05-30 ES ES09601195A patent/ES2114820B1/es not_active Expired - Fee Related
- 1996-06-05 SE SE9602230A patent/SE518907C2/sv not_active IP Right Cessation
- 1996-06-12 IT IT96MI001200A patent/IT1283133B1/it active IP Right Grant
- 1996-06-19 GB GB9612833A patent/GB2303034B/en not_active Expired - Lifetime
- 1996-06-25 FR FR9607841A patent/FR2736186B1/fr not_active Expired - Lifetime
- 1996-06-26 BR BR9608734A patent/BR9608734A/pt not_active IP Right Cessation
- 1996-06-26 WO PCT/FI1996/000369 patent/WO1997002561A1/en active Application Filing
- 1996-06-26 AU AU62260/96A patent/AU701220B2/en not_active Expired
- 1996-06-26 CN CNB961951761A patent/CN1135759C/zh not_active Expired - Lifetime
- 1996-06-26 JP JP50484897A patent/JP3826185B2/ja not_active Expired - Lifetime
- 1996-06-26 RU RU98101723/09A patent/RU2158446C2/ru active
- 1996-06-26 CA CA002222501A patent/CA2222501C/en not_active Expired - Lifetime
- 1996-06-28 US US08/672,932 patent/US5835889A/en not_active Expired - Lifetime
-
1997
- 1997-12-18 MX MX9710357A patent/MX9710357A/es unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2256351A (en) * | 1991-05-25 | 1992-12-02 | Motorola Inc | Enhancement of echo return loss |
WO1993013516A1 (en) * | 1991-12-23 | 1993-07-08 | Motorola Inc. | Variable hangover time in a voice activity detector |
JPH0653927A (ja) * | 1992-07-31 | 1994-02-25 | Nec Corp | Dsi装置 |
WO1995012879A1 (en) * | 1993-11-02 | 1995-05-11 | Telefonaktiebolaget Lm Ericsson | Discriminating between stationary and non-stationary signals |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN, CD-ROM PAJ, FEB. 1994, [06-022601/06-054599] & JP 6053927 A (NEC CORP et al.) 25.02.94 * |
Also Published As
Publication number | Publication date |
---|---|
CN1135759C (zh) | 2004-01-21 |
CN1189911A (zh) | 1998-08-05 |
AU701220B2 (en) | 1999-01-21 |
IT1283133B1 (it) | 1998-04-07 |
ATA93596A (de) | 1998-11-15 |
FR2736186B1 (fr) | 1999-02-12 |
JP3826185B2 (ja) | 2006-09-27 |
SE518907C2 (sv) | 2002-12-03 |
AU6226096A (en) | 1997-02-05 |
WO1997002561A1 (en) | 1997-01-23 |
BR9608734A (pt) | 1999-07-06 |
GB9612833D0 (en) | 1996-08-21 |
ITMI961200A0 (es) | 1996-06-12 |
FR2736186A1 (fr) | 1997-01-03 |
GB2303034B (en) | 2000-01-26 |
FI105001B (fi) | 2000-05-15 |
ES2114820B1 (es) | 1999-01-16 |
MX9710357A (es) | 1998-07-31 |
GB2303034A (en) | 1997-02-05 |
FI953252A0 (fi) | 1995-06-30 |
JPH11514168A (ja) | 1999-11-30 |
DE19617630A1 (de) | 1997-01-02 |
DE19617630B4 (de) | 2005-12-08 |
CA2222501C (en) | 2002-04-23 |
ITMI961200A1 (it) | 1997-12-12 |
FI953252A (fi) | 1996-12-31 |
RU2158446C2 (ru) | 2000-10-27 |
AT405346B (de) | 1999-07-26 |
SE9602230L (sv) | 1996-12-31 |
CA2222501A1 (en) | 1997-01-23 |
US5835889A (en) | 1998-11-10 |
SE9602230D0 (sv) | 1996-06-05 |
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