SE521600C2 - Lågbittaktskodek - Google Patents
LågbittaktskodekInfo
- Publication number
- SE521600C2 SE521600C2 SE0104059A SE0104059A SE521600C2 SE 521600 C2 SE521600 C2 SE 521600C2 SE 0104059 A SE0104059 A SE 0104059A SE 0104059 A SE0104059 A SE 0104059A SE 521600 C2 SE521600 C2 SE 521600C2
- Authority
- SE
- Sweden
- Prior art keywords
- block
- signal
- coding
- decoding
- state
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 80
- 230000003044 adaptive effect Effects 0.000 claims description 26
- 230000015572 biosynthetic process Effects 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 17
- 238000003786 synthesis reaction Methods 0.000 claims description 17
- 230000005284 excitation Effects 0.000 claims description 7
- 230000005236 sound signal Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 2
- 239000012141 concentrate Substances 0.000 claims 1
- 239000013598 vector Substances 0.000 description 33
- 230000006870 function Effects 0.000 description 29
- 238000013139 quantization Methods 0.000 description 16
- 230000000875 corresponding effect Effects 0.000 description 8
- 230000007704 transition Effects 0.000 description 8
- 239000011800 void material Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010606 normalization Methods 0.000 description 5
- 230000002596 correlated effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000009300 Ehretia acuminata Nutrition 0.000 description 2
- 244000046038 Ehretia acuminata Species 0.000 description 2
- 125000003192 dTMP group Chemical group 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 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
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Dc Digital Transmission (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0104059A SE521600C2 (sv) | 2001-12-04 | 2001-12-04 | Lågbittaktskodek |
| PCT/SE2002/002226 WO2003049081A1 (en) | 2001-12-04 | 2002-12-03 | Low bit rate codec |
| EP02792126A EP1451811B1 (de) | 2001-12-04 | 2002-12-03 | Codec mit niedriger bitrate |
| US10/497,530 US7895046B2 (en) | 2001-12-04 | 2002-12-03 | Low bit rate codec |
| CNB028271866A CN1305024C (zh) | 2001-12-04 | 2002-12-03 | 预测编码/解码设备及其方法 |
| DE60233068T DE60233068D1 (de) | 2001-12-04 | 2002-12-03 | Codec mit niedriger bitrate |
| AT02792126T ATE437431T1 (de) | 2001-12-04 | 2002-12-03 | Codec mit niedriger bitrate |
| AU2002358365A AU2002358365A1 (en) | 2001-12-04 | 2002-12-03 | Low bit rate codec |
| US13/030,929 US8880414B2 (en) | 2001-12-04 | 2011-02-18 | Low bit rate codec |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0104059A SE521600C2 (sv) | 2001-12-04 | 2001-12-04 | Lågbittaktskodek |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0104059D0 SE0104059D0 (sv) | 2001-12-04 |
| SE0104059L SE0104059L (sv) | 2003-07-03 |
| SE521600C2 true SE521600C2 (sv) | 2003-11-18 |
Family
ID=20286184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0104059A SE521600C2 (sv) | 2001-12-04 | 2001-12-04 | Lågbittaktskodek |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US7895046B2 (de) |
| EP (1) | EP1451811B1 (de) |
| CN (1) | CN1305024C (de) |
| AT (1) | ATE437431T1 (de) |
| AU (1) | AU2002358365A1 (de) |
| DE (1) | DE60233068D1 (de) |
| SE (1) | SE521600C2 (de) |
| WO (1) | WO2003049081A1 (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE521600C2 (sv) | 2001-12-04 | 2003-11-18 | Global Ip Sound Ab | Lågbittaktskodek |
| US7379866B2 (en) * | 2003-03-15 | 2008-05-27 | Mindspeed Technologies, Inc. | Simple noise suppression model |
| FR2861491B1 (fr) * | 2003-10-24 | 2006-01-06 | Thales Sa | Procede de selection d'unites de synthese |
| US7602867B2 (en) * | 2004-08-17 | 2009-10-13 | Broadcom Corporation | System and method for linear distortion estimation by way of equalizer coefficients |
| EP1846921B1 (de) | 2005-01-31 | 2017-10-04 | Skype | Verfahren zur verkettung von datenrahmen in einem kommunikationssystem |
| TWI285568B (en) * | 2005-02-02 | 2007-08-21 | Dowa Mining Co | Powder of silver particles and process |
| US7411528B2 (en) | 2005-07-11 | 2008-08-12 | Lg Electronics Co., Ltd. | Apparatus and method of processing an audio signal |
| WO2007124485A2 (en) * | 2006-04-21 | 2007-11-01 | Dilithium Networks Pty Ltd. | Method and apparatus for audio transcoding |
| US8306813B2 (en) * | 2007-03-02 | 2012-11-06 | Panasonic Corporation | Encoding device and encoding method |
| US8280539B2 (en) * | 2007-04-06 | 2012-10-02 | The Echo Nest Corporation | Method and apparatus for automatically segueing between audio tracks |
| US20100274556A1 (en) * | 2008-01-16 | 2010-10-28 | Panasonic Corporation | Vector quantizer, vector inverse quantizer, and methods therefor |
| KR20100134623A (ko) * | 2008-03-04 | 2010-12-23 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
| NO2313887T3 (de) * | 2008-07-10 | 2018-02-10 | ||
| FR2938688A1 (fr) * | 2008-11-18 | 2010-05-21 | France Telecom | Codage avec mise en forme du bruit dans un codeur hierarchique |
| CN101615394B (zh) * | 2008-12-31 | 2011-02-16 | 华为技术有限公司 | 分配子帧的方法和装置 |
| US20100324913A1 (en) * | 2009-06-18 | 2010-12-23 | Jacek Piotr Stachurski | Method and System for Block Adaptive Fractional-Bit Per Sample Encoding |
| US8554746B2 (en) | 2010-08-18 | 2013-10-08 | Hewlett-Packard Development Company, L.P. | Multiple-source data compression |
| KR102259112B1 (ko) | 2012-11-15 | 2021-05-31 | 가부시키가이샤 엔.티.티.도코모 | 음성 부호화 장치, 음성 부호화 방법, 음성 부호화 프로그램, 음성 복호 장치, 음성 복호 방법 및 음성 복호 프로그램 |
| US10523490B2 (en) * | 2013-08-06 | 2019-12-31 | Agilepq, Inc. | Authentication of a subscribed code table user utilizing optimized code table signaling |
| US10056919B2 (en) | 2014-07-02 | 2018-08-21 | Agilepq, Inc. | Data recovery utilizing optimized code table signaling |
| KR102477070B1 (ko) | 2016-06-06 | 2022-12-12 | 아길렙큐 인코포레이티드 | 데이터 변환 시스템 및 방법 |
| US9934785B1 (en) | 2016-11-30 | 2018-04-03 | Spotify Ab | Identification of taste attributes from an audio signal |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE501981C2 (sv) * | 1993-11-02 | 1995-07-03 | Ericsson Telefon Ab L M | Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler |
| US5621852A (en) * | 1993-12-14 | 1997-04-15 | Interdigital Technology Corporation | Efficient codebook structure for code excited linear prediction coding |
| US6101276A (en) * | 1996-06-21 | 2000-08-08 | Compaq Computer Corporation | Method and apparatus for performing two pass quality video compression through pipelining and buffer management |
| FR2762464B1 (fr) * | 1997-04-16 | 1999-06-25 | France Telecom | Procede et dispositif de codage d'un signal audiofrequence par analyse lpc "avant" et "arriere" |
| US7061936B2 (en) * | 2000-03-03 | 2006-06-13 | Ntt Docomo, Inc. | Method and apparatus for packet transmission with header compression |
| SE522261C2 (sv) * | 2000-05-10 | 2004-01-27 | Global Ip Sound Ab | Kodning och avkodning av en digital signal |
| JP2002101417A (ja) * | 2000-09-22 | 2002-04-05 | Oki Electric Ind Co Ltd | 動画像符号化方法および装置 |
| US7020284B2 (en) * | 2000-10-06 | 2006-03-28 | Patrick Oscar Boykin | Perceptual encryption and decryption of movies |
| US7171355B1 (en) * | 2000-10-25 | 2007-01-30 | Broadcom Corporation | Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals |
| JP3957460B2 (ja) * | 2001-01-15 | 2007-08-15 | 沖電気工業株式会社 | 伝送ヘッダ圧縮装置、動画像符号化装置及び動画像伝送システム |
| SE521600C2 (sv) | 2001-12-04 | 2003-11-18 | Global Ip Sound Ab | Lågbittaktskodek |
-
2001
- 2001-12-04 SE SE0104059A patent/SE521600C2/sv not_active IP Right Cessation
-
2002
- 2002-12-03 WO PCT/SE2002/002226 patent/WO2003049081A1/en not_active Ceased
- 2002-12-03 US US10/497,530 patent/US7895046B2/en active Active
- 2002-12-03 AU AU2002358365A patent/AU2002358365A1/en not_active Abandoned
- 2002-12-03 CN CNB028271866A patent/CN1305024C/zh not_active Expired - Lifetime
- 2002-12-03 DE DE60233068T patent/DE60233068D1/de not_active Expired - Lifetime
- 2002-12-03 AT AT02792126T patent/ATE437431T1/de not_active IP Right Cessation
- 2002-12-03 EP EP02792126A patent/EP1451811B1/de not_active Expired - Lifetime
-
2011
- 2011-02-18 US US13/030,929 patent/US8880414B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US8880414B2 (en) | 2014-11-04 |
| DE60233068D1 (de) | 2009-09-03 |
| CN1305024C (zh) | 2007-03-14 |
| SE0104059D0 (sv) | 2001-12-04 |
| EP1451811B1 (de) | 2009-07-22 |
| SE0104059L (sv) | 2003-07-03 |
| US7895046B2 (en) | 2011-02-22 |
| ATE437431T1 (de) | 2009-08-15 |
| US20110142126A1 (en) | 2011-06-16 |
| CN1615509A (zh) | 2005-05-11 |
| US20060153286A1 (en) | 2006-07-13 |
| WO2003049081A1 (en) | 2003-06-12 |
| EP1451811A1 (de) | 2004-09-01 |
| AU2002358365A1 (en) | 2003-06-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |