DE60224100D1 - Erzeugung von lsf-vektoren - Google Patents
Erzeugung von lsf-vektorenInfo
- Publication number
- DE60224100D1 DE60224100D1 DE60224100T DE60224100T DE60224100D1 DE 60224100 D1 DE60224100 D1 DE 60224100D1 DE 60224100 T DE60224100 T DE 60224100T DE 60224100 T DE60224100 T DE 60224100T DE 60224100 D1 DE60224100 D1 DE 60224100D1
- Authority
- DE
- Germany
- Prior art keywords
- lsf
- vectors
- lpcs
- tracks
- low pass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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)
- Amplifiers (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Control Of Eletrric Generators (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 (2)
Publication Number | Publication Date |
---|---|
DE60224100D1 true DE60224100D1 (de) | 2008-01-24 |
DE60224100T2 DE60224100T2 (de) | 2008-12-04 |
Family
ID=29227359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60224100T Expired - Lifetime DE60224100T2 (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 |
ES2464722T3 (es) * | 2008-03-04 | 2014-06-03 | Lg Electronics Inc. | Método y aparato para procesar una señal de audio |
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 |
RU2606552C2 (ru) | 2011-04-21 | 2017-01-10 | Самсунг Электроникс Ко., Лтд. | Устройство для квантования коэффициентов кодирования с линейным предсказанием, устройство кодирования звука, устройство для деквантования коэффициентов кодирования с линейным предсказанием, устройство декодирования звука и электронное устройство для этого |
EP2700173A4 (de) | 2011-04-21 | 2014-05-28 | Samsung Electronics Co Ltd | Verfahren zur quantifizierung von linearen prädiktiven kodierungskoeffizienten, schallkodierungsverfahren, verfahren zur dequantifizierung von linearen prädiktiven kodierungskoeffizienten und aufzeichnungsmedium |
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 WO PCT/IB2002/001305 patent/WO2003089892A1/en active IP Right Grant
- 2002-04-22 DE DE60224100T patent/DE60224100T2/de not_active Expired - Lifetime
- 2002-04-22 AT AT02807256T patent/ATE381091T1/de not_active IP Right Cessation
- 2002-04-22 EP EP02807256A patent/EP1497631B1/de not_active Expired - Lifetime
- 2002-04-22 CN CNB028288025A patent/CN1312463C/zh not_active Expired - Fee Related
- 2002-04-22 AU AU2002307889A patent/AU2002307889A1/en not_active Abandoned
- 2002-04-22 KR KR1020047016961A patent/KR100914220B1/ko not_active IP Right Cessation
-
2003
- 2003-04-10 US US10/413,435 patent/US7493255B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
ATE381091T1 (de) | 2007-12-15 |
CN1312463C (zh) | 2007-04-25 |
US7493255B2 (en) | 2009-02-17 |
KR20040102152A (ko) | 2004-12-03 |
CN1625681A (zh) | 2005-06-08 |
EP1497631B1 (de) | 2007-12-12 |
EP1497631A1 (de) | 2005-01-19 |
WO2003089892A1 (en) | 2003-10-30 |
AU2002307889A1 (en) | 2003-11-03 |
US20040006463A1 (en) | 2004-01-08 |
DE60224100T2 (de) | 2008-12-04 |
KR100914220B1 (ko) | 2009-08-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108701465A (zh) | 音频信号解码 | |
KR100331166B1 (ko) | 오디오신호를 코딩하기 위한 방법 및 장치와 비트스트림을디코딩하기 위한 방법 및 장치 | |
US7953230B2 (en) | Method and system for physiological signal processing | |
US6982377B2 (en) | Time-scale modification of music signals based on polyphase filterbanks and constrained time-domain processing | |
KR100452955B1 (ko) | 음성부호화방법, 음성복호화방법, 음성부호화장치, 음성복호화장치, 전화장치, 피치변환방법 및 매체 | |
JP6559741B2 (ja) | 低遅延符号化/復号のための音声信号のリサンプリング | |
DE60224100D1 (de) | Erzeugung von lsf-vektoren | |
CN108780648A (zh) | 用于在时间上失配的信号的音频处理 | |
KR20120063514A (ko) | 오디오 신호를 처리하기 위한 방법 및 장치 | |
JPH10124088A (ja) | 音声帯域幅拡張装置及び方法 | |
CN104969291B (zh) | 执行用于增益确定的滤波的***及方法 | |
DE60331535D1 (de) | Kodierung und Dekodierung für mehrkanalige Signale | |
SE9800776L (sv) | Sätt och anordning för audiokodning | |
CN105022316A (zh) | 用于数字音频信号的多频带信号处理器 | |
JPH0365822A (ja) | ベクトル量子化符号器及びベクトル量子化復号器 | |
CA2132006C (en) | Method for generating a spectral noise weighting filter for use in a speech coder | |
JPH10149199A (ja) | 音声符号化方法、音声復号化方法、音声符号化装置、音声復号化装置、電話装置、ピッチ変換方法及び媒体 | |
Cocchi et al. | Subband neural networks prediction for on-line audio signal recovery | |
CN109671422A (zh) | 一种获取纯净语音的录音方法 | |
Yu et al. | Lossless compression of digital audio using cascaded RLS-LMS prediction | |
JPH05281996A (ja) | ピッチ抽出装置 | |
JP2002258897A (ja) | 雑音抑圧装置 | |
Alku et al. | Linear predictive method for improved spectral modeling of lower frequencies of speech with small prediction orders | |
CN109285558A (zh) | 用于处理信号的方法和装置 | |
JP2006505818A (ja) | オーディオ成分を生成する方法および装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |