FI117949B - Menetelmä ja laite digitaalisen tiedon koodaamisessa - Google Patents
Menetelmä ja laite digitaalisen tiedon koodaamisessa Download PDFInfo
- Publication number
- FI117949B FI117949B FI973270A FI973270A FI117949B FI 117949 B FI117949 B FI 117949B FI 973270 A FI973270 A FI 973270A FI 973270 A FI973270 A FI 973270A FI 117949 B FI117949 B FI 117949B
- Authority
- FI
- Finland
- Prior art keywords
- predictor
- encoder
- gain
- values
- coefficients
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 74
- 239000013598 vector Substances 0.000 claims description 80
- 230000015572 biosynthetic process Effects 0.000 claims description 59
- 230000005284 excitation Effects 0.000 claims description 59
- 238000003786 synthesis reaction Methods 0.000 claims description 59
- 230000004044 response Effects 0.000 claims description 38
- 239000000872 buffer Substances 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000003044 adaptive effect Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 13
- 238000007792 addition Methods 0.000 claims description 2
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- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims 10
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000002243 precursor Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 claims 1
- 238000004422 calculation algorithm Methods 0.000 description 19
- 230000006978 adaptation Effects 0.000 description 17
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- 108010076504 Protein Sorting Signals Proteins 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
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- 238000012384 transportation and delivery Methods 0.000 description 3
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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
- G10L13/00—Speech synthesis; Text to speech systems
-
- 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
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0003—Backward prediction of gain
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9500452A SE504010C2 (sv) | 1995-02-08 | 1995-02-08 | Förfarande och anordning för prediktiv kodning av tal- och datasignaler |
| SE9500452 | 1995-02-08 | ||
| PCT/SE1996/000128 WO1996024926A2 (en) | 1995-02-08 | 1996-02-02 | Method and apparatus in coding digital information |
| SE9600128 | 1996-02-02 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI973270A FI973270A (fi) | 1997-08-08 |
| FI973270A0 FI973270A0 (fi) | 1997-08-08 |
| FI117949B true FI117949B (fi) | 2007-04-30 |
Family
ID=20397130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI973270A FI117949B (fi) | 1995-02-08 | 1997-08-08 | Menetelmä ja laite digitaalisen tiedon koodaamisessa |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6012024A (es) |
| EP (1) | EP0976126B1 (es) |
| JP (1) | JP4111538B2 (es) |
| KR (1) | KR100383051B1 (es) |
| CN (1) | CN1110791C (es) |
| AU (1) | AU720430B2 (es) |
| BR (1) | BR9607033A (es) |
| CA (1) | CA2211347C (es) |
| DE (1) | DE69633944T2 (es) |
| FI (1) | FI117949B (es) |
| MX (1) | MX9705890A (es) |
| SE (1) | SE504010C2 (es) |
| WO (1) | WO1996024926A2 (es) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL125310A (en) * | 1998-07-12 | 2002-02-10 | Eci Telecom Ltd | Method and system for managing varying traffic load in telecommunication network |
| US7457415B2 (en) | 1998-08-20 | 2008-11-25 | Akikaze Technologies, Llc | Secure information distribution system utilizing information segment scrambling |
| US6865229B1 (en) * | 1999-12-14 | 2005-03-08 | Koninklijke Philips Electronics N.V. | Method and apparatus for reducing the “blocky picture” effect in MPEG decoded images |
| US6961320B1 (en) * | 2000-04-03 | 2005-11-01 | Hughes Electronics Corporation | In-band transmission of TTY/TTD signals for systems employing low bit-rate voice compression |
| JP3881157B2 (ja) * | 2000-05-23 | 2007-02-14 | 株式会社エヌ・ティ・ティ・ドコモ | 音声処理方法及び音声処理装置 |
| WO2002013183A1 (fr) * | 2000-08-09 | 2002-02-14 | Sony Corporation | Procede et dispositif de traitement de donnees vocales |
| EP1336253B1 (en) * | 2000-11-21 | 2009-03-18 | Telefonaktiebolaget LM Ericsson (publ) | A portable communication device |
| US7855966B2 (en) * | 2001-07-16 | 2010-12-21 | International Business Machines Corporation | Network congestion detection and automatic fallback: methods, systems and program products |
| US7068601B2 (en) * | 2001-07-16 | 2006-06-27 | International Business Machines Corporation | Codec with network congestion detection and automatic fallback: methods, systems & program products |
| KR100794424B1 (ko) * | 2001-11-01 | 2008-01-16 | 엘지노텔 주식회사 | 오디오 패킷 스위칭 시스템 및 방법 |
| US20030101407A1 (en) * | 2001-11-09 | 2003-05-29 | Cute Ltd. | Selectable complexity turbo coding system |
| US7206740B2 (en) * | 2002-01-04 | 2007-04-17 | Broadcom Corporation | Efficient excitation quantization in noise feedback coding with general noise shaping |
| US7054807B2 (en) * | 2002-11-08 | 2006-05-30 | Motorola, Inc. | Optimizing encoder for efficiently determining analysis-by-synthesis codebook-related parameters |
| US7263481B2 (en) * | 2003-01-09 | 2007-08-28 | Dilithium Networks Pty Limited | Method and apparatus for improved quality voice transcoding |
| WO2005020210A2 (en) * | 2003-08-26 | 2005-03-03 | Sarnoff Corporation | Method and apparatus for adaptive variable bit rate audio encoding |
| JP2005202262A (ja) * | 2004-01-19 | 2005-07-28 | Matsushita Electric Ind Co Ltd | 音声信号符号化方法、音声信号復号化方法、送信機、受信機、及びワイヤレスマイクシステム |
| CN100592389C (zh) * | 2008-01-18 | 2010-02-24 | 华为技术有限公司 | 合成滤波器状态更新方法及装置 |
| US7177804B2 (en) * | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
| JP5159318B2 (ja) * | 2005-12-09 | 2013-03-06 | パナソニック株式会社 | 固定符号帳探索装置および固定符号帳探索方法 |
| US8781842B2 (en) * | 2006-03-07 | 2014-07-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Scalable coding with non-casual predictive information in an enhancement layer |
| CN101145345B (zh) * | 2006-09-13 | 2011-02-09 | 华为技术有限公司 | 音频分类方法 |
| KR20100006492A (ko) | 2008-07-09 | 2010-01-19 | 삼성전자주식회사 | 부호화 방식 결정 방법 및 장치 |
| KR101261677B1 (ko) * | 2008-07-14 | 2013-05-06 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| JP4977157B2 (ja) * | 2009-03-06 | 2012-07-18 | 株式会社エヌ・ティ・ティ・ドコモ | 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム |
| JP6132288B2 (ja) * | 2014-03-14 | 2017-05-24 | インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ | 生成装置、選択装置、生成方法、選択方法、及び、プログラム |
| US9685164B2 (en) | 2014-03-31 | 2017-06-20 | Qualcomm Incorporated | Systems and methods of switching coding technologies at a device |
| RU2643434C2 (ru) * | 2014-09-12 | 2018-02-01 | Общество С Ограниченной Ответственностью "Яндекс" | Способ предоставления пользователю сообщения посредством вычислительного устройства и машиночитаемый носитель информации |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100377A (en) * | 1977-04-28 | 1978-07-11 | Bell Telephone Laboratories, Incorporated | Packet transmission of speech |
| IL74965A (en) * | 1985-04-17 | 1990-07-12 | Israel Electronics Corp | Combination tasi and adpcm apparatus |
| AU7464687A (en) * | 1986-07-02 | 1988-01-07 | Eci Telecom Ltd. | Telephone line multiplication apparatus |
| IL80103A0 (en) * | 1986-09-21 | 1987-01-30 | Eci Telecom Limited | Adaptive differential pulse code modulation(adpcm)system |
| US4969192A (en) * | 1987-04-06 | 1990-11-06 | Voicecraft, Inc. | Vector adaptive predictive coder for speech and audio |
| US4899385A (en) * | 1987-06-26 | 1990-02-06 | American Telephone And Telegraph Company | Code excited linear predictive vocoder |
| US4910781A (en) * | 1987-06-26 | 1990-03-20 | At&T Bell Laboratories | Code excited linear predictive vocoder using virtual searching |
| CA2005115C (en) * | 1989-01-17 | 1997-04-22 | Juin-Hwey Chen | Low-delay code-excited linear predictive coder for speech or audio |
| IL89461A (en) * | 1989-03-02 | 1994-06-24 | Eci Telecom Limited | Telephone communication compression system |
| US5228076A (en) * | 1989-06-12 | 1993-07-13 | Emil Hopner | High fidelity speech encoding for telecommunications systems |
| US5235669A (en) * | 1990-06-29 | 1993-08-10 | At&T Laboratories | Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec |
| FR2668288B1 (fr) * | 1990-10-19 | 1993-01-15 | Di Francesco Renaud | Procede de transmission, a bas debit, par codage celp d'un signal de parole et systeme correspondant. |
| 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 |
| DE69228215T2 (de) * | 1991-08-30 | 1999-07-08 | Canon Kk | Gerät zur Bildübertragung |
| US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
| US5339384A (en) * | 1992-02-18 | 1994-08-16 | At&T Bell Laboratories | Code-excited linear predictive coding with low delay for speech or audio signals |
| US5327520A (en) * | 1992-06-04 | 1994-07-05 | At&T Bell Laboratories | Method of use of voice message coder/decoder |
| US5313554A (en) * | 1992-06-16 | 1994-05-17 | At&T Bell Laboratories | Backward gain adaptation method in code excited linear prediction coders |
| 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 |
-
1995
- 1995-02-08 SE SE9500452A patent/SE504010C2/sv not_active IP Right Cessation
-
1996
- 1996-02-02 US US08/875,730 patent/US6012024A/en not_active Expired - Lifetime
- 1996-02-02 JP JP52419196A patent/JP4111538B2/ja not_active Expired - Lifetime
- 1996-02-02 DE DE69633944T patent/DE69633944T2/de not_active Expired - Lifetime
- 1996-02-02 AU AU46823/96A patent/AU720430B2/en not_active Expired
- 1996-02-02 BR BR9607033A patent/BR9607033A/pt not_active IP Right Cessation
- 1996-02-02 MX MX9705890A patent/MX9705890A/es unknown
- 1996-02-02 CA CA002211347A patent/CA2211347C/en not_active Expired - Lifetime
- 1996-02-02 EP EP96902559A patent/EP0976126B1/en not_active Expired - Lifetime
- 1996-02-02 CN CN96192847A patent/CN1110791C/zh not_active Expired - Lifetime
- 1996-02-02 KR KR1019970705439A patent/KR100383051B1/ko not_active IP Right Cessation
- 1996-02-02 WO PCT/SE1996/000128 patent/WO1996024926A2/en active IP Right Grant
-
1997
- 1997-08-08 FI FI973270A patent/FI117949B/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE9500452D0 (sv) | 1995-02-08 |
| WO1996024926A2 (en) | 1996-08-15 |
| DE69633944D1 (de) | 2004-12-30 |
| JP4111538B2 (ja) | 2008-07-02 |
| CN1110791C (zh) | 2003-06-04 |
| BR9607033A (pt) | 1997-11-04 |
| EP0976126A2 (en) | 2000-02-02 |
| CA2211347C (en) | 2007-04-24 |
| SE504010C2 (sv) | 1996-10-14 |
| KR100383051B1 (ko) | 2003-07-16 |
| US6012024A (en) | 2000-01-04 |
| FI973270A (fi) | 1997-08-08 |
| CA2211347A1 (en) | 1996-08-15 |
| FI973270A0 (fi) | 1997-08-08 |
| JPH10513277A (ja) | 1998-12-15 |
| EP0976126B1 (en) | 2004-11-24 |
| KR19980702044A (ko) | 1998-07-15 |
| WO1996024926A3 (en) | 1996-10-03 |
| DE69633944T2 (de) | 2005-12-08 |
| MX9705890A (es) | 1997-10-31 |
| CN1179848A (zh) | 1998-04-22 |
| SE9500452L (sv) | 1996-08-09 |
| AU4682396A (en) | 1996-08-27 |
| AU720430B2 (en) | 2000-06-01 |
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