NO321398B1 - Transkoder med forebyggelse av tandem-koding av tale - Google Patents
Transkoder med forebyggelse av tandem-koding av tale Download PDFInfo
- Publication number
- NO321398B1 NO321398B1 NO19974705A NO974705A NO321398B1 NO 321398 B1 NO321398 B1 NO 321398B1 NO 19974705 A NO19974705 A NO 19974705A NO 974705 A NO974705 A NO 974705A NO 321398 B1 NO321398 B1 NO 321398B1
- Authority
- NO
- Norway
- Prior art keywords
- speech
- transcoder
- frame
- frames
- mobile
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 38
- 238000010295 mobile communication Methods 0.000 claims abstract description 36
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 230000011664 signaling Effects 0.000 abstract description 11
- 239000002585 base Substances 0.000 description 54
- 238000012545 processing Methods 0.000 description 20
- 230000002265 prevention Effects 0.000 description 18
- 101150117600 msc1 gene Proteins 0.000 description 15
- 238000012546 transfer Methods 0.000 description 12
- 101150080339 BTS1 gene Proteins 0.000 description 10
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 101100078001 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) MSC2 gene Proteins 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000003637 basic solution Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/18—Service support devices; Network management devices
- H04W88/181—Transcoding devices; Rate adaptation devices
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Dc Digital Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Camera Data Copying Or Recording (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI951807A FI101439B1 (sv) | 1995-04-13 | 1995-04-13 | Transkoder med spärrning av tandemkodning |
| PCT/FI1996/000192 WO1996032823A1 (en) | 1995-04-13 | 1996-04-11 | Transcoder with prevention of tandem coding of speech |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO974705D0 NO974705D0 (no) | 1997-10-10 |
| NO974705L NO974705L (no) | 1997-12-11 |
| NO321398B1 true NO321398B1 (no) | 2006-05-08 |
Family
ID=8543252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19974705A NO321398B1 (no) | 1995-04-13 | 1997-10-10 | Transkoder med forebyggelse av tandem-koding av tale |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5991716A (sv) |
| EP (2) | EP0820685B1 (sv) |
| JP (1) | JPH11503582A (sv) |
| CN (1) | CN1109459C (sv) |
| AT (1) | ATE289738T1 (sv) |
| AU (1) | AU705619B2 (sv) |
| DE (1) | DE69634381T2 (sv) |
| ES (2) | ES2491890T3 (sv) |
| FI (1) | FI101439B1 (sv) |
| NO (1) | NO321398B1 (sv) |
| WO (1) | WO1996032823A1 (sv) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5943376A (en) * | 1995-04-06 | 1999-08-24 | Motorola, Inc. | Method and system for time aligning a frame in a communication system |
| DE19516078B4 (de) * | 1995-05-05 | 2006-06-08 | Robert Bosch Gmbh | Verfahren zur Übertragung von Daten, insbesondere GSM-Daten |
| DE19544367A1 (de) | 1995-11-29 | 1997-06-05 | Bosch Gmbh Robert | Verfahren zum Übertragen von Daten, insbesondere von GSM-Daten |
| FI102445B1 (sv) * | 1996-02-08 | 1998-11-30 | Nokia Telecommunications Oy | Transmissionsanordning för förbindelse mellan stationer |
| DK0847210T3 (da) * | 1996-12-04 | 2006-05-22 | Bosch Gmbh Robert | Fremgangsmåde ved dataoverföring, især af GSM-data |
| FI106082B (sv) | 1996-12-05 | 2000-11-15 | Nokia Networks Oy | Förfarande för detektering av återkoppling av en talkanal och talbehandlingsanordning |
| GB2320166A (en) * | 1996-12-09 | 1998-06-10 | Motorola Ltd | method of reverting to tandem operation between transcoders of a communication system |
| FI105864B (sv) * | 1997-04-18 | 2000-10-13 | Nokia Networks Oy | Mekanism för att avlägsna eko |
| FI971959A (sv) * | 1997-05-07 | 1998-11-08 | Nokia Telecommunications Oy | Förfarande för eliminering av synkroniseringsfel samt radiosystem |
| FI105372B (sv) * | 1997-07-22 | 2000-07-31 | Nokia Networks Oy | Identifiering av en TRAU-ram i ett mobilkommunikationssystem |
| WO1999035875A1 (en) * | 1997-12-31 | 1999-07-15 | Nokia Networks Oy | Method for performing discontinous transmission in an asynchronous transfer mode |
| DE19804581C2 (de) * | 1998-02-05 | 2000-08-17 | Siemens Ag | Verfahren und Funk-Kommunikationssystem zur Übertragung von Sprachinformation |
| US6850883B1 (en) * | 1998-02-09 | 2005-02-01 | Nokia Networks Oy | Decoding method, speech coding processing unit and a network element |
| FR2781110B1 (fr) * | 1998-07-13 | 2000-08-11 | Alsthom Cge Alcatel | Procede et dispositif de transmission de donnees sur un canal de paroles |
| FI982796A (sv) | 1998-12-23 | 2000-06-24 | Nokia Networks Oy | Effektivering av dataöverföring |
| WO2000046789A1 (fr) * | 1999-02-05 | 2000-08-10 | Fujitsu Limited | Detecteur de la presence d'un son et procede de detection de la presence et/ou de l'absence d'un son |
| JP2000244384A (ja) * | 1999-02-18 | 2000-09-08 | Mitsubishi Electric Corp | 移動通信端末装置及び移動通信端末装置における音声符号化レート決定方法 |
| US6657996B1 (en) * | 1999-04-21 | 2003-12-02 | Telogy Networks, Inc. | Apparatus and method for improving voice quality by removing tandem codecs in a voice communication link |
| GB2350532B (en) * | 1999-05-28 | 2001-08-08 | Mitel Corp | Method to generate telephone comfort noise during silence in a packetized voice communication system |
| US6292781B1 (en) * | 1999-05-28 | 2001-09-18 | Motorola | Method and apparatus for facilitating distributed speech processing in a communication system |
| SE522356C2 (sv) * | 1999-07-09 | 2004-02-03 | Ericsson Telefon Ab L M | Transmission av komprimerad information med realtidskrav i ett paketorienterat informationsnät |
| FI991605A (sv) * | 1999-07-14 | 2001-01-15 | Nokia Networks Oy | Förfarande för att förminska beräkningskapacitetet som behövs i talkod ning och i talavkodning och ett nätverkelement |
| EP1069738A1 (en) * | 1999-07-16 | 2001-01-17 | Alcatel | A gateway comprising transcoding means |
| GB2353192B (en) * | 1999-08-11 | 2004-02-25 | Ericsson Telefon Ab L M | Transcoder rate controller |
| FI109508B (sv) * | 1999-09-28 | 2002-08-15 | Nokia Corp | Förfarande för att allokera transmissionskanaler i ett Abis-gränssnitt i ett paketcellulärt radionät och nätdel av ett paketcellulärt radionät |
| AU7615700A (en) * | 1999-09-30 | 2001-04-30 | Nokia Corporation | Voice over pcm technique providing compatibility between pcm data and lower ratevocoder data |
| US6542546B1 (en) | 2000-02-02 | 2003-04-01 | Mitsubishi Electric Research Laboratories, Inc. | Adaptable compressed bitstream transcoder |
| WO2002017672A1 (fr) * | 2000-08-21 | 2002-02-28 | Fujitsu Limited | Systeme de communication |
| US6721538B1 (en) * | 2000-10-05 | 2004-04-13 | Hughes Electronics Corporation | Time-offset distribution to ensure constant satellite power |
| US7012901B2 (en) * | 2001-02-28 | 2006-03-14 | Cisco Systems, Inc. | Devices, software and methods for generating aggregate comfort noise in teleconferencing over VoIP networks |
| US6708147B2 (en) * | 2001-02-28 | 2004-03-16 | Telefonaktiebolaget Lm Ericsson(Publ) | Method and apparatus for providing comfort noise in communication system with discontinuous transmission |
| JP4518714B2 (ja) * | 2001-08-31 | 2010-08-04 | 富士通株式会社 | 音声符号変換方法 |
| KR100460109B1 (ko) * | 2001-09-19 | 2004-12-03 | 엘지전자 주식회사 | 음성패킷 변환을 위한 ｌｓｐ 파라미터 변환장치 및 방법 |
| GB2381702B (en) * | 2001-11-02 | 2004-01-07 | Motorola Inc | Communication system, user equipment and method of performing a conference call therefor |
| DE10297792D2 (de) * | 2002-05-31 | 2005-05-25 | Siemens Ag | Abfrage der aktuell gültigen Bitraten bei Unterbrechung eines TrFo-Calls (Anrufs) |
| JP2004061646A (ja) * | 2002-07-25 | 2004-02-26 | Fujitsu Ltd | Ｔｆｏ機能を有する音声符号化器および方法 |
| JP2004069963A (ja) * | 2002-08-06 | 2004-03-04 | Fujitsu Ltd | 音声符号変換装置及び音声符号化装置 |
| US7808920B2 (en) * | 2002-10-28 | 2010-10-05 | Qualcomm Incorporated | Tandem-free vocoder operations between non-compatible communication systems |
| KR100451622B1 (ko) * | 2002-11-11 | 2004-10-08 | 한국전자통신연구원 | 통신용 보코더 및 이를 이용한 통신 방법 |
| JP2006522949A (ja) * | 2003-04-08 | 2006-10-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 埋め込みデータ・チャンネルの更新 |
| JP4370802B2 (ja) * | 2003-04-22 | 2009-11-25 | 富士通株式会社 | データ処理方法およびデータ処理装置 |
| GB0408856D0 (en) * | 2004-04-21 | 2004-05-26 | Nokia Corp | Signal encoding |
| FR2881867A1 (fr) * | 2005-02-04 | 2006-08-11 | France Telecom | Procede de transmission de marques de fin de parole dans un systeme de reconnaissance de la parole |
| 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 |
| ATE476834T1 (de) * | 2006-10-13 | 2010-08-15 | Galaxy Studios Nv | Verfahren und codierer zum kombinieren von digitalen datensätzen, decodierungsverfahren und decodierer für solche kombinierte digitale datensätze und aufzeichnungsträger zum speichern eines solchen kombinierten digitalen datensatzes |
| US20090227299A1 (en) * | 2008-03-10 | 2009-09-10 | Samsung Electronics Co., Ltd. | System and method for providing interchangeable modules for a mobile station |
| US8422679B2 (en) * | 2008-10-17 | 2013-04-16 | Motorola Solutions, Inc. | Method and device for sending encryption parameters |
| CN101783142B (zh) | 2009-01-21 | 2012-08-15 | 北京工业大学 | 转码方法、装置和通信设备 |
| CN102668411B (zh) * | 2009-02-09 | 2014-07-09 | 华为技术有限公司 | Dtx比特的映射方法和设备 |
| CA2948015C (en) | 2012-12-21 | 2018-03-20 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Comfort noise addition for modeling background noise at low bit-rates |
| KR101690899B1 (ko) * | 2012-12-21 | 2016-12-28 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 신호의 불연속 전송에서 높은 스펙트럼-시간 해상도를 가진 편안한 잡음의 생성 |
| CN107424622B (zh) | 2014-06-24 | 2020-12-25 | 华为技术有限公司 | 音频编码方法和装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4924480A (en) * | 1988-03-11 | 1990-05-08 | American Telephone And Telegraph Company | Codecs with suppression of multiple encoding/decodings across a connection |
| US5491719A (en) * | 1993-07-02 | 1996-02-13 | Telefonaktiebolaget Lm Ericsson | System for handling data errors on a cellular communications system PCM link |
| US5430724A (en) * | 1993-07-02 | 1995-07-04 | Telefonaktiebolaget L M Ericsson | TDMA on a cellular communications system PCM link |
| FI93915C (sv) * | 1993-09-20 | 1995-06-12 | Nokia Telecommunications Oy | Transkoder- och transdekoderenhet för ett digitalt radiotelefonsystem samt förfarande för reglering av transkoder- och transdekoderenhets utgång |
| US6134521A (en) * | 1994-02-17 | 2000-10-17 | Motorola, Inc. | Method and apparatus for mitigating audio degradation in a communication system |
| FI941125A (sv) * | 1994-03-09 | 1995-09-10 | Nokia Telecommunications Oy | Mobiltelefonsystem samt samtalsstyrförfarande |
-
1995
- 1995-04-13 FI FI951807A patent/FI101439B1/sv not_active IP Right Cessation
-
1996
- 1996-04-11 EP EP96910043A patent/EP0820685B1/en not_active Expired - Lifetime
- 1996-04-11 CN CN96193866A patent/CN1109459C/zh not_active Expired - Lifetime
- 1996-04-11 ES ES05100949.6T patent/ES2491890T3/es not_active Expired - Lifetime
- 1996-04-11 EP EP05100949.6A patent/EP1533790B1/en not_active Expired - Lifetime
- 1996-04-11 ES ES96910043T patent/ES2237765T3/es not_active Expired - Lifetime
- 1996-04-11 JP JP8530745A patent/JPH11503582A/ja not_active Abandoned
- 1996-04-11 WO PCT/FI1996/000192 patent/WO1996032823A1/en active IP Right Grant
- 1996-04-11 US US08/930,988 patent/US5991716A/en not_active Expired - Lifetime
- 1996-04-11 AT AT96910043T patent/ATE289738T1/de active
- 1996-04-11 DE DE69634381T patent/DE69634381T2/de not_active Expired - Lifetime
- 1996-04-11 AU AU53363/96A patent/AU705619B2/en not_active Expired
-
1997
- 1997-10-10 NO NO19974705A patent/NO321398B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US5991716A (en) | 1999-11-23 |
| EP0820685A1 (en) | 1998-01-28 |
| EP1533790A1 (en) | 2005-05-25 |
| FI101439B (sv) | 1998-06-15 |
| ATE289738T1 (de) | 2005-03-15 |
| NO974705D0 (no) | 1997-10-10 |
| CN1185262A (zh) | 1998-06-17 |
| NO974705L (no) | 1997-12-11 |
| ES2237765T3 (es) | 2005-08-01 |
| JPH11503582A (ja) | 1999-03-26 |
| FI951807A (sv) | 1996-10-14 |
| FI101439B1 (sv) | 1998-06-15 |
| EP1533790B1 (en) | 2014-06-18 |
| DE69634381T2 (de) | 2006-01-12 |
| AU5336396A (en) | 1996-10-30 |
| DE69634381D1 (de) | 2005-03-31 |
| ES2491890T3 (es) | 2014-09-08 |
| EP0820685B1 (en) | 2005-02-23 |
| FI951807A0 (fi) | 1995-04-13 |
| AU705619B2 (en) | 1999-05-27 |
| CN1109459C (zh) | 2003-05-21 |
| WO1996032823A1 (en) | 1996-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK1K | Patent expired |