TW224191B - - Google Patents
Info
- Publication number
- TW224191B TW224191B TW081101187A TW81101187A TW224191B TW 224191 B TW224191 B TW 224191B TW 081101187 A TW081101187 A TW 081101187A TW 81101187 A TW81101187 A TW 81101187A TW 224191 B TW224191 B TW 224191B
- Authority
- TW
- Taiwan
- Prior art keywords
- data packet
- significant bits
- perceptually significant
- data
- beginning
- 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
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- G10L19/07—Line spectrum pair [LSP] vocoders
-
- 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
- H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
-
- 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
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
-
- 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
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0086—Unequal error protection
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82670192A | 1992-01-28 | 1992-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW224191B true TW224191B (US20020098797A1-20020725-M00004.png) | 1994-05-21 |
Family
ID=25247288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW081101187A TW224191B (US20020098797A1-20020725-M00004.png) | 1992-01-28 | 1992-02-18 |
Country Status (22)
Families Citing this family (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3003839B2 (ja) * | 1993-11-08 | 2000-01-31 | エヌ・ティ・ティ移動通信網株式会社 | Ｃｄｍａ通信方法および装置 |
| US5784532A (en) * | 1994-02-16 | 1998-07-21 | Qualcomm Incorporated | Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system |
| US5751739A (en) * | 1994-04-29 | 1998-05-12 | Lucent Technologies, Inc. | Methods of and devices for enhancing communications that use spread spectrum technology |
| GB2290201B (en) * | 1994-06-09 | 1998-03-04 | Motorola Ltd | Communications system |
| US5704001A (en) * | 1994-08-04 | 1997-12-30 | Qualcomm Incorporated | Sensitivity weighted vector quantization of line spectral pair frequencies |
| US6334219B1 (en) * | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
| FR2729247A1 (fr) * | 1995-01-06 | 1996-07-12 | Matra Communication | Procede de codage de parole a analyse par synthese |
| FR2729246A1 (fr) * | 1995-01-06 | 1996-07-12 | Matra Communication | Procede de codage de parole a analyse par synthese |
| FR2729244B1 (fr) * | 1995-01-06 | 1997-03-28 | Matra Communication | Procede de codage de parole a analyse par synthese |
| US7280564B1 (en) | 1995-02-06 | 2007-10-09 | Adc Telecommunications, Inc. | Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing |
| USRE42236E1 (en) | 1995-02-06 | 2011-03-22 | Adc Telecommunications, Inc. | Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing |
| FI950917A (fi) * | 1995-02-28 | 1996-08-29 | Nokia Telecommunications Oy | Puhekoodausparametrien käsittely tietoliikennejärjestelmässä |
| ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
| US5754734A (en) * | 1995-10-31 | 1998-05-19 | Motorola, Inc. | Method of transmitting voice coding information using cyclic redundancy check bits |
| FI103456B (fi) * | 1996-03-29 | 1999-06-30 | Nokia Telecommunications Oy | Puheen siirto pakettiverkossa |
| US5920581A (en) * | 1996-05-31 | 1999-07-06 | Vtech Communications, Ltd. | Error detection method and apparatus for digital communication data packets |
| US6014622A (en) | 1996-09-26 | 2000-01-11 | Rockwell Semiconductor Systems, Inc. | Low bit rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quantization |
| KR100199959B1 (ko) * | 1996-10-14 | 1999-06-15 | 김영환 | 시디엠에이 이동통신 시스템의 패리티 검사장치 및 그 방법 |
| KR100198476B1 (ko) * | 1997-04-23 | 1999-06-15 | 윤종용 | 노이즈에 견고한 스펙트럼 포락선 양자화기 및 양자화 방법 |
| IL120788A (en) * | 1997-05-06 | 2000-07-16 | Audiocodes Ltd | Systems and methods for encoding and decoding speech for lossy transmission networks |
| AU7655298A (en) * | 1997-07-02 | 1999-01-25 | Alcatel Alsthom Compagnie Generale D'electricite | Device for transmitting a coded adpcm voice signal |
| GB2328125B (en) | 1997-08-08 | 2002-04-10 | Ericsson Telefon Ab L M | Network control system |
| US5872774A (en) * | 1997-09-19 | 1999-02-16 | Qualcomm Incorporated | Mobile station assisted timing synchronization in a CDMA communication system |
| US6188980B1 (en) * | 1998-08-24 | 2001-02-13 | Conexant Systems, Inc. | Synchronized encoder-decoder frame concealment using speech coding parameters including line spectral frequencies and filter coefficients |
| US6169759B1 (en) * | 1999-03-22 | 2001-01-02 | Golden Bridge Technology | Common packet channel |
| US6606341B1 (en) | 1999-03-22 | 2003-08-12 | Golden Bridge Technology, Inc. | Common packet channel with firm handoff |
| JP2000305599A (ja) | 1999-04-22 | 2000-11-02 | Sony Corp | 音声合成装置及び方法、電話装置並びにプログラム提供媒体 |
| GB9910002D0 (en) * | 1999-05-01 | 1999-06-30 | King S College London | Audio signal encoders and decoders |
| US6226283B1 (en) * | 1999-05-13 | 2001-05-01 | Motorola, Inc. | Method and selector for performing selection in a communication system |
| US6259744B1 (en) * | 1999-06-01 | 2001-07-10 | Motorola, Inc. | Method and apparatus for mapping bits to an information burst |
| JP3613448B2 (ja) * | 1999-06-21 | 2005-01-26 | 株式会社エヌ・ティ・ティ・ドコモ | データ伝送方法、データ伝送システム、送信装置および受信装置 |
| US6658112B1 (en) | 1999-08-06 | 2003-12-02 | General Dynamics Decision Systems, Inc. | Voice decoder and method for detecting channel errors using spectral energy evolution |
| EP1089439A1 (en) * | 1999-09-28 | 2001-04-04 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Interleaver and method for interleaving an input data bit sequence using a coded storing of symbol and additional information |
| US6745024B1 (en) | 2000-01-10 | 2004-06-01 | Qualcomm Incorporated | System and method for preparing and sending an electronic mail communication using a wireless communications device |
| CN100426717C (zh) | 2000-01-20 | 2008-10-15 | 北方电讯网络有限公司 | 可变速率分组数据应用中带有软组合的混合arq方案 |
| DE10031803C2 (de) * | 2000-07-04 | 2002-09-19 | Bosch Gmbh Robert | Verfahren zur Übertragung von digitalen Daten mittels Rundfunksignalen im orthogonalen Frequenzmultiplex(OFDM) |
| US6807312B2 (en) * | 2001-07-13 | 2004-10-19 | Sharp Laboratories Of America, Inc. | Robust codebooks for vector quantization |
| JP3463752B2 (ja) | 2001-07-25 | 2003-11-05 | 三菱電機株式会社 | 音響符号化装置、音響復号化装置、音響符号化方法および音響復号化方法 |
| JP3469567B2 (ja) * | 2001-09-03 | 2003-11-25 | 三菱電機株式会社 | 音響符号化装置、音響復号化装置、音響符号化方法及び音響復号化方法 |
| US6671518B2 (en) * | 2001-11-19 | 2003-12-30 | Motorola, Inc. | Method and apparatus for transmitting voice information |
| US7164672B1 (en) * | 2002-03-29 | 2007-01-16 | At&T Corp. | Method and apparatus for QoS improvement with packet voice transmission over wireless LANs |
| US20040225500A1 (en) * | 2002-09-25 | 2004-11-11 | William Gardner | Data communication through acoustic channels and compression |
| EP1881487B1 (en) * | 2005-05-13 | 2009-11-25 | Panasonic Corporation | Audio encoding apparatus and spectrum modifying method |
| US7395202B2 (en) * | 2005-06-09 | 2008-07-01 | Motorola, Inc. | Method and apparatus to facilitate vocoder erasure processing |
| WO2007040361A1 (en) * | 2005-10-05 | 2007-04-12 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
| BR112015031180B1 (pt) | 2013-06-21 | 2022-04-05 | Fraunhofer- Gesellschaft Zur Förderung Der Angewandten Forschung E.V | Aparelho e método para gerar um formato espectral adaptativo de ruído de conforto |
| US9542955B2 (en) * | 2014-03-31 | 2017-01-10 | Qualcomm Incorporated | High-band signal coding using multiple sub-bands |
| CN105225670B (zh) | 2014-06-27 | 2016-12-28 | 华为技术有限公司 | 一种音频编码方法和装置 |
| EP2980799A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing an audio signal using a harmonic post-filter |
| US10756795B2 (en) | 2018-12-18 | 2020-08-25 | XCOM Labs, Inc. | User equipment with cellular link and peer-to-peer link |
| US11063645B2 (en) | 2018-12-18 | 2021-07-13 | XCOM Labs, Inc. | Methods of wirelessly communicating with a group of devices |
| US11330649B2 (en) | 2019-01-25 | 2022-05-10 | XCOM Labs, Inc. | Methods and systems of multi-link peer-to-peer communications |
| US10756767B1 (en) | 2019-02-05 | 2020-08-25 | XCOM Labs, Inc. | User equipment for wirelessly communicating cellular signal with another user equipment |
| CN110136735B (zh) * | 2019-05-13 | 2021-09-28 | 腾讯音乐娱乐科技（深圳）有限公司 | 一种音频修复方法、设备及可读存储介质 |
| WO2020250371A1 (ja) * | 2019-06-13 | 2020-12-17 | 日本電信電話株式会社 | 音信号符号化送信方法、音信号符号化方法、音信号送信側装置、符号化装置、プログラム及び記録媒体 |
| WO2020250369A1 (ja) * | 2019-06-13 | 2020-12-17 | 日本電信電話株式会社 | 音信号受信復号方法、音信号復号方法、音信号受信側装置、復号装置、プログラム及び記録媒体 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100377A (en) * | 1977-04-28 | 1978-07-11 | Bell Telephone Laboratories, Incorporated | Packet transmission of speech |
| US4617676A (en) * | 1984-09-04 | 1986-10-14 | At&T Bell Laboratories | Predictive communication system filtering arrangement |
| CA1220282A (en) * | 1985-04-03 | 1987-04-07 | Northern Telecom Limited | Transmission of wideband speech signals |
| US4665514A (en) * | 1985-08-02 | 1987-05-12 | American Telephone And Telegraph Company, At&T Bell Laboratories | Integrated voice/data network |
| US4726037A (en) * | 1986-03-26 | 1988-02-16 | American Telephone And Telegraph Company, At&T Bell Laboratories | Predictive communication system filtering arrangement |
| US4903301A (en) * | 1987-02-27 | 1990-02-20 | Hitachi, Ltd. | Method and system for transmitting variable rate speech signal |
| US4922537A (en) * | 1987-06-02 | 1990-05-01 | Frederiksen & Shu Laboratories, Inc. | Method and apparatus employing audio frequency offset extraction and floating-point conversion for digitally encoding and decoding high-fidelity audio signals |
| FR2621436B1 (fr) * | 1987-10-02 | 1990-01-19 | Matra Communication | Procede et installation de transmission numerique de parole entre mobiles |
| US4852179A (en) * | 1987-10-05 | 1989-07-25 | Motorola, Inc. | Variable frame rate, fixed bit rate vocoding method |
| JP3102015B2 (ja) * | 1990-05-28 | 2000-10-23 | 日本電気株式会社 | 音声復号化方法 |
| DE69233794D1 (de) * | 1991-06-11 | 2010-09-23 | Qualcomm Inc | Vocoder mit veränderlicher Bitrate |
-
1992
- 1992-02-18 TW TW081101187A patent/TW224191B/zh active
-
1993
- 1993-01-21 ZA ZA93450A patent/ZA93450B/xx unknown
- 1993-01-25 IL IL10450093A patent/IL104500A/en not_active IP Right Cessation
- 1993-01-26 DE DE69324906T patent/DE69324906T3/de not_active Expired - Lifetime
- 1993-01-26 EP EP93904649A patent/EP0624275B2/en not_active Expired - Lifetime
- 1993-01-26 CA CA002128708A patent/CA2128708C/en not_active Expired - Lifetime
- 1993-01-26 PL PL93305984A patent/PL172397B1/pl unknown
- 1993-01-26 AU AU35939/93A patent/AU678962B2/en not_active Expired
- 1993-01-26 KR KR1019940702605A patent/KR0168900B1/ko not_active IP Right Cessation
- 1993-01-26 JP JP51339593A patent/JP3604689B2/ja not_active Expired - Lifetime
- 1993-01-26 AT AT93904649T patent/ATE180091T1/de active
- 1993-01-26 WO PCT/US1993/000703 patent/WO1993015502A1/en active IP Right Grant
- 1993-01-26 ES ES93904649T patent/ES2131576T5/es not_active Expired - Lifetime
- 1993-01-26 BR BR9305808A patent/BR9305808A/pt not_active IP Right Cessation
- 1993-01-26 DK DK93904649T patent/DK0624275T4/da active
- 1993-01-27 CN CN93102375A patent/CN1072867C/zh not_active Expired - Lifetime
- 1993-01-27 MX MX9300442A patent/MX9300442A/es unknown
- 1993-01-27 CN CNB001241869A patent/CN100382479C/zh not_active Expired - Lifetime
-
1994
- 1994-02-14 US US08/194,824 patent/US5600754A/en not_active Expired - Lifetime
- 1994-07-22 NO NO942751A patent/NO942751D0/no unknown
- 1994-07-27 FI FI943538A patent/FI118103B/fi not_active IP Right Cessation
-
1998
- 1998-08-21 HK HK98110102A patent/HK1011110A1/xx not_active IP Right Cessation
-
1999
- 1999-08-02 GR GR990401991T patent/GR3030910T3/el unknown
-
2001
- 2001-09-13 HK HK01106463A patent/HK1035976A1/xx not_active IP Right Cessation
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW224191B (US20020098797A1-20020725-M00004.png) | ||
| NZ302029A (en) | Arranging vocoder and non vocoder data into frames for transmission | |
| MX9602145A (es) | Modificacion del retraso de paso durante borrado de cuadros. | |
| SG43012A1 (en) | Cyclical redundancy check method and apparatus | |
| ATE237197T1 (de) | Identifikations/beglaubigungskodierungsverfahre und -vorrichtung | |
| JPS5745100U (US20020098797A1-20020725-M00004.png) | ||
| AU5880594A (en) | Method and system for performing transmission of digital data by coding bit information into the shape of a pulse and decoding the bit information from the shape of the pulse | |
| AU5302896A (en) | Method and apparatus to improve pstn access to wireless subscribers using a low bit rate system | |
| PH31436A (en) | Self-dispersing curable epoxy esins, dispensions made therewith and coating compositions made therefrom. | |
| HK1000189A1 (en) | Error protection in a subband coder | |
| TW355764B (en) | Method and apparatus for deinterleaving an interleaved data stream | |
| CA2136058A1 (en) | Error Correction Circuit | |
| EP0741469A3 (en) | Apparatus and methods for decoding a communication signal | |
| TW326600B (en) | Method and apparatus of error control coding for rank three mask ROM | |
| CA2633629A1 (en) | Apparatus and method for providing an information broadcast using compressed codes | |
| IES940930A2 (en) | "An inter-computer communications apparatus" | |
| CA2367446A1 (en) | Data compression method and apparatus with embedded run-length encoding | |
| JPS57193158A (en) | Transmission system | |
| KR970009675B1 (en) | Method for improving decoder using eraser method | |
| AU6540094A (en) | A method for including auxiliary data in a data signal encoded with a bipolar in-line code | |
| JPS5731243A (en) | Coder | |
| AU581202B2 (en) | Method and apparatus for decoding error correction code | |
| FR2705595B1 (fr) | Dispositif, procédé de galbage de coulisses, et coulisse obtenue par ledit procédé. | |
| AU2905695A (en) | Method and system for encoding and decoding signals using a fast algebraic error correcting code | |
| TW344929B (en) | Compression method with optimized data loss coding by bit processing |
