SE521341C2 - Metod och system för kodning för att minska avkodningsfel i en mottagare - Google Patents
Metod och system för kodning för att minska avkodningsfel i en mottagareInfo
- Publication number
- SE521341C2 SE521341C2 SE0103616A SE0103616A SE521341C2 SE 521341 C2 SE521341 C2 SE 521341C2 SE 0103616 A SE0103616 A SE 0103616A SE 0103616 A SE0103616 A SE 0103616A SE 521341 C2 SE521341 C2 SE 521341C2
- Authority
- SE
- Sweden
- Prior art keywords
- excluded
- codeword
- excluded codeword
- output
- selected bit
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 32
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 8
- 239000013598 vector Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
-
- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/18—Vocoders using multiple modes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Theoretical Computer Science (AREA)
- Probability & Statistics with Applications (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Error Detection And Correction (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18681900P | 2000-03-03 | 2000-03-03 | |
US09/795,584 US6570509B2 (en) | 2000-03-03 | 2001-02-28 | Method and system for encoding to mitigate decoding errors in a receiver |
PCT/US2001/006850 WO2001067699A1 (en) | 2000-03-03 | 2001-03-02 | Method and system for encoding to mitigate decoding errors in a receiver |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0103616L SE0103616L (sv) | 2001-10-31 |
SE0103616D0 SE0103616D0 (sv) | 2001-10-31 |
SE521341C2 true SE521341C2 (sv) | 2003-10-21 |
Family
ID=26882448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0103616A SE521341C2 (sv) | 2000-03-03 | 2001-10-31 | Metod och system för kodning för att minska avkodningsfel i en mottagare |
Country Status (9)
Country | Link |
---|---|
US (1) | US6570509B2 (ja) |
JP (1) | JP4841789B2 (ja) |
KR (1) | KR100453303B1 (ja) |
CN (1) | CN1171425C (ja) |
AU (1) | AU2001243397A1 (ja) |
CA (1) | CA2371996C (ja) |
FI (1) | FI116994B (ja) |
SE (1) | SE521341C2 (ja) |
WO (1) | WO2001067699A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6804218B2 (en) | 2000-12-04 | 2004-10-12 | Qualcomm Incorporated | Method and apparatus for improved detection of rate errors in variable rate receivers |
KR100487182B1 (ko) * | 2001-12-01 | 2005-05-03 | 삼성전자주식회사 | 통신시스템의 부호화/복호화 장치 및 방법 |
JP4016709B2 (ja) * | 2002-04-26 | 2007-12-05 | 日本電気株式会社 | オーディオデータの符号変換伝送方法と符号変換受信方法及び装置とシステムならびにプログラム |
US8090577B2 (en) * | 2002-08-08 | 2012-01-03 | Qualcomm Incorported | Bandwidth-adaptive quantization |
JP2008529168A (ja) * | 2005-01-28 | 2008-07-31 | ユナイテッド パーセル サービス オブ アメリカ インコーポレイテッド | 地域内の各サービス地点の住所データの登録および維持 |
KR100704848B1 (ko) * | 2005-12-06 | 2007-04-09 | 에스케이 텔레콤주식회사 | 착신 대기음 구간에서의 코덱 변경 및 적응 방법 |
GB0703795D0 (en) * | 2007-02-27 | 2007-04-04 | Sepura Ltd | Speech encoding and decoding in communications systems |
CN108461087B (zh) * | 2018-02-07 | 2020-06-30 | 河南芯盾网安科技发展有限公司 | 数字信号穿过声码器的装置及方法 |
WO2020164753A1 (en) | 2019-02-13 | 2020-08-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and decoding method selecting an error concealment mode, and encoder and encoding method |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5003539A (en) * | 1986-04-11 | 1991-03-26 | Ampex Corporation | Apparatus and method for encoding and decoding attribute data into error checking symbols of main data |
JP2712502B2 (ja) * | 1989-03-09 | 1998-02-16 | 三菱電機株式会社 | 伝送路符号化/復号化方式 |
JPH06292165A (ja) * | 1993-03-31 | 1994-10-18 | Sony Corp | デジタルデータ伝送方法 |
JP3227901B2 (ja) * | 1993-05-21 | 2001-11-12 | ソニー株式会社 | 変調方法及び復調装置 |
GB9314480D0 (en) * | 1993-07-09 | 1993-08-25 | Hewlett Packard Co | Encoding data |
US5491700A (en) | 1993-10-01 | 1996-02-13 | Pacific Communication Sciences, Inc. | Method and apparatus for code error correction using an ordered syndrome and error correction lookup table |
US5550543A (en) * | 1994-10-14 | 1996-08-27 | Lucent Technologies Inc. | Frame erasure or packet loss compensation method |
EP0842577B1 (en) * | 1995-08-03 | 2003-05-14 | Seagate Technology LLC | Method of encoding an input value for transmission through partial response channels |
US6170073B1 (en) * | 1996-03-29 | 2001-01-02 | Nokia Mobile Phones (Uk) Limited | Method and apparatus for error detection in digital communications |
CA2265640A1 (en) * | 1996-09-25 | 1998-04-02 | Qualcomm Incorporated | Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters |
US6040879A (en) * | 1997-04-21 | 2000-03-21 | Samsung Electronics Co., Ltd. | Method for decoding video data corrupted by channel noise |
US6286122B1 (en) * | 1997-07-03 | 2001-09-04 | Nokia Mobile Phones Limited | Method and apparatus for transmitting DTX—low state information from mobile station to base station |
-
2001
- 2001-02-28 US US09/795,584 patent/US6570509B2/en not_active Expired - Lifetime
- 2001-03-02 CA CA002371996A patent/CA2371996C/en not_active Expired - Lifetime
- 2001-03-02 CN CNB018003834A patent/CN1171425C/zh not_active Expired - Lifetime
- 2001-03-02 AU AU2001243397A patent/AU2001243397A1/en not_active Abandoned
- 2001-03-02 WO PCT/US2001/006850 patent/WO2001067699A1/en active IP Right Grant
- 2001-03-02 KR KR10-2001-7014024A patent/KR100453303B1/ko active IP Right Grant
- 2001-03-02 JP JP2001565602A patent/JP4841789B2/ja not_active Expired - Lifetime
- 2001-10-24 FI FI20012064A patent/FI116994B/fi not_active IP Right Cessation
- 2001-10-31 SE SE0103616A patent/SE521341C2/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100453303B1 (ko) | 2004-10-20 |
CN1363167A (zh) | 2002-08-07 |
CA2371996A1 (en) | 2001-09-13 |
SE0103616L (sv) | 2001-10-31 |
SE0103616D0 (sv) | 2001-10-31 |
FI116994B (fi) | 2006-04-28 |
CN1171425C (zh) | 2004-10-13 |
JP4841789B2 (ja) | 2011-12-21 |
US6570509B2 (en) | 2003-05-27 |
AU2001243397A1 (en) | 2001-09-17 |
WO2001067699A1 (en) | 2001-09-13 |
US20020030612A1 (en) | 2002-03-14 |
FI20012064A (fi) | 2001-10-24 |
JP2003526280A (ja) | 2003-09-02 |
CA2371996C (en) | 2004-07-06 |
KR20020013863A (ko) | 2002-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |