ATE381091T1 - Erzeugung von lsf-vektoren - Google Patents
Erzeugung von lsf-vektorenInfo
- Publication number
- ATE381091T1 ATE381091T1 AT02807256T AT02807256T ATE381091T1 AT E381091 T1 ATE381091 T1 AT E381091T1 AT 02807256 T AT02807256 T AT 02807256T AT 02807256 T AT02807256 T AT 02807256T AT E381091 T1 ATE381091 T1 AT E381091T1
- Authority
- AT
- Austria
- Prior art keywords
- lsf
- vectors
- lpcs
- tracks
- low pass
- Prior art date
Links
- 239000013598 vector Substances 0.000 title abstract 6
- 238000004590 computer program Methods 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- G10L19/07—Line spectrum pair [LSP] vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Control Of Eletrric Generators (AREA)
- Amplifiers (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2002/001305 WO2003089892A1 (en) | 2002-04-22 | 2002-04-22 | Generating lsf vectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE381091T1 true ATE381091T1 (de) | 2007-12-15 |
Family
ID=29227359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02807256T ATE381091T1 (de) | 2002-04-22 | 2002-04-22 | Erzeugung von lsf-vektoren |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7493255B2 (de) |
| EP (1) | EP1497631B1 (de) |
| KR (1) | KR100914220B1 (de) |
| CN (1) | CN1312463C (de) |
| AT (1) | ATE381091T1 (de) |
| AU (1) | AU2002307889A1 (de) |
| DE (1) | DE60224100T2 (de) |
| WO (1) | WO2003089892A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3947969B2 (ja) * | 2002-05-15 | 2007-07-25 | ソニー株式会社 | 画像処理装置、および画像処理方法、記録媒体、並びにプログラム |
| US7831420B2 (en) * | 2006-04-04 | 2010-11-09 | Qualcomm Incorporated | Voice modifier for speech processing systems |
| CN101145345B (zh) * | 2006-09-13 | 2011-02-09 | 华为技术有限公司 | 音频分类方法 |
| CN101149927B (zh) * | 2006-09-18 | 2011-05-04 | 展讯通信(上海)有限公司 | 在线性预测分析中确定isf参数的方法 |
| US8886612B2 (en) * | 2007-10-04 | 2014-11-11 | Core Wireless Licensing S.A.R.L. | Method, apparatus and computer program product for providing improved data compression |
| KR20100134623A (ko) * | 2008-03-04 | 2010-12-23 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
| KR101747917B1 (ko) | 2010-10-18 | 2017-06-15 | 삼성전자주식회사 | 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법 |
| CN102072789B (zh) * | 2010-11-03 | 2012-05-23 | 西南交通大学 | 一种地面测试铁道车辆轮轨力的连续化处理方法 |
| CN103620676B (zh) | 2011-04-21 | 2016-03-09 | 三星电子株式会社 | 对线性预测编码系数进行量化的方法、声音编码方法、对线性预测编码系数进行反量化的方法、声音解码方法以及记录介质 |
| CN103620675B (zh) * | 2011-04-21 | 2015-12-23 | 三星电子株式会社 | 对线性预测编码系数进行量化的设备、声音编码设备、对线性预测编码系数进行反量化的设备、声音解码设备及其电子装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US5675701A (en) * | 1995-04-28 | 1997-10-07 | Lucent Technologies Inc. | Speech coding parameter smoothing method |
| KR100198476B1 (ko) | 1997-04-23 | 1999-06-15 | 윤종용 | 노이즈에 견고한 스펙트럼 포락선 양자화기 및 양자화 방법 |
| US6081776A (en) * | 1998-07-13 | 2000-06-27 | Lockheed Martin Corp. | Speech coding system and method including adaptive finite impulse response filter |
| WO2000011649A1 (en) | 1998-08-24 | 2000-03-02 | Conexant Systems, Inc. | Speech encoder using a classifier for smoothing noise coding |
| FI118242B (fi) * | 2000-09-19 | 2007-08-31 | Nokia Corp | Puhekehyksen käsitteleminen radiojärjestelmässä |
-
2002
- 2002-04-22 AT AT02807256T patent/ATE381091T1/de not_active IP Right Cessation
- 2002-04-22 KR KR1020047016961A patent/KR100914220B1/ko not_active Expired - Fee Related
- 2002-04-22 DE DE60224100T patent/DE60224100T2/de not_active Expired - Lifetime
- 2002-04-22 WO PCT/IB2002/001305 patent/WO2003089892A1/en not_active Ceased
- 2002-04-22 EP EP02807256A patent/EP1497631B1/de not_active Expired - Lifetime
- 2002-04-22 AU AU2002307889A patent/AU2002307889A1/en not_active Abandoned
- 2002-04-22 CN CNB028288025A patent/CN1312463C/zh not_active Expired - Fee Related
-
2003
- 2003-04-10 US US10/413,435 patent/US7493255B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20040006463A1 (en) | 2004-01-08 |
| DE60224100T2 (de) | 2008-12-04 |
| DE60224100D1 (de) | 2008-01-24 |
| US7493255B2 (en) | 2009-02-17 |
| EP1497631B1 (de) | 2007-12-12 |
| CN1625681A (zh) | 2005-06-08 |
| AU2002307889A1 (en) | 2003-11-03 |
| CN1312463C (zh) | 2007-04-25 |
| EP1497631A1 (de) | 2005-01-19 |
| KR100914220B1 (ko) | 2009-08-26 |
| KR20040102152A (ko) | 2004-12-03 |
| WO2003089892A1 (en) | 2003-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2255380C2 (ru) | Способ и устройство воспроизведения речевых сигналов и способ их передачи | |
| Kroon et al. | Regular-pulse excitation--a novel approach to effective and efficient multipulse coding of speech | |
| KR101461774B1 (ko) | 대역폭 확장기 | |
| US7953230B2 (en) | Method and system for physiological signal processing | |
| KR100331166B1 (ko) | 오디오신호를 코딩하기 위한 방법 및 장치와 비트스트림을디코딩하기 위한 방법 및 장치 | |
| US6982377B2 (en) | Time-scale modification of music signals based on polyphase filterbanks and constrained time-domain processing | |
| RU2756042C2 (ru) | Передискретизация звукового сигнала для кодирования/декодирования с малой задержкой | |
| KR101668401B1 (ko) | 오디오 신호를 인코딩하기 위한 방법 및 장치 | |
| ATE381091T1 (de) | Erzeugung von lsf-vektoren | |
| CA2399159A1 (en) | Convergence improvement for oversampled subband adaptive filters | |
| DE60331535D1 (de) | Kodierung und Dekodierung für mehrkanalige Signale | |
| KR20180125964A (ko) | 오디오 신호 디코딩 | |
| EP0843302B1 (de) | Sprachkodierer mit Sinusanalyse und Grundfrequenzsteuerung | |
| WO2007086365A1 (ja) | 変換装置 | |
| CA2132006C (en) | Method for generating a spectral noise weighting filter for use in a speech coder | |
| KR20070070174A (ko) | 스케일러블 부호화 장치, 스케일러블 복호 장치 및스케일러블 부호화 방법 | |
| Cocchi et al. | Subband neural networks prediction for on-line audio signal recovery | |
| CN109285558A (zh) | 用于处理信号的方法和装置 | |
| JPH10124089A (ja) | 音声信号処理装置及び方法、並びに、音声帯域幅拡張装置及び方法 | |
| Alku et al. | Linear predictive method for improved spectral modeling of lower frequencies of speech with small prediction orders | |
| US8473286B2 (en) | Noise feedback coding system and method for providing generalized noise shaping within a simple filter structure | |
| Polotti et al. | Fractal additive synthesis via harmonic-band wavelets | |
| CN120915271B (zh) | 数字滤波器的阻带残留补偿方法、设备、存储介质及计算机程序产品 | |
| Rodbro et al. | Time-scaling of sinusoids for intelligent jitter buffer in packet based telephony | |
| JP2842106B2 (ja) | 音響信号の伝送方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |