SE0004163D0 - Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering - Google Patents
Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filteringInfo
- Publication number
- SE0004163D0 SE0004163D0 SE0004163A SE0004163A SE0004163D0 SE 0004163 D0 SE0004163 D0 SE 0004163D0 SE 0004163 A SE0004163 A SE 0004163A SE 0004163 A SE0004163 A SE 0004163A SE 0004163 D0 SE0004163 D0 SE 0004163D0
- Authority
- SE
- Sweden
- Prior art keywords
- high frequency
- adaptive filtering
- frequency reconstruction
- coding methods
- perceptual performance
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title abstract 2
- 238000001914 filtration Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 230000002708 enhancing effect Effects 0.000 title 1
- 230000005236 sound signal 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
- G10L19/02—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
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Filters And Equalizers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (17)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0004163A SE0004163D0 (sv) | 2000-11-14 | 2000-11-14 | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
PT01983041T PT1342230E (pt) | 2000-11-14 | 2001-11-13 | Melhoria do desempenho perceptivo dos metodos codificados de reconstrucao de frequencia elevada por filtragem adaptavel |
CN2005101160278A CN1766993B (zh) | 2000-11-14 | 2001-11-13 | 利用自适应滤波改善高频重建编码方法的感知性能 |
JP2002543427A JP3954495B2 (ja) | 2000-11-14 | 2001-11-13 | 適応ろ波による高周波復元符号化方法の知覚性能の強化方法 |
EP01983041A EP1342230B1 (en) | 2000-11-14 | 2001-11-13 | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
DE60102838T DE60102838T2 (de) | 2000-11-14 | 2001-11-13 | Verbessern der wahrnehmungsbezogenen leistungsfähigkeit von hochfrequenz-rekonstruktionscodierungsverfahren durch adaptives filtern |
AT01983041T ATE264533T1 (de) | 2000-11-14 | 2001-11-13 | Verbessern der wahrnehmungsbezogenen leistungsfähigkeit von hochfrequenz- rekonstruktionscodierungsverfahren durch adaptives filtern |
KR10-2003-7006515A KR100517229B1 (ko) | 2000-11-14 | 2001-11-13 | 적응형 필터링에 의해 고주파 복원 코딩 방법의 인식성능을 향상시키기 위한 방법 및 장치 |
DK01983041T DK1342230T3 (da) | 2000-11-14 | 2001-11-13 | Forbedring af den perceptuelle præstation af fremgangsmåder til höjfrekvensrekonstruktionskodning ved adaptiv filtrering |
AU2002214496A AU2002214496A1 (en) | 2000-11-14 | 2001-11-13 | Enhancing perceptual performance of high frequency reconstruction coding methodsby adaptive filtering |
CNB018205763A CN1267890C (zh) | 2000-11-14 | 2001-11-13 | 利用自适应滤波改善高频重建编码的设备和方法 |
PCT/SE2001/002510 WO2002041301A1 (en) | 2000-11-14 | 2001-11-13 | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
ES01983041T ES2215935T3 (es) | 2000-11-14 | 2001-11-13 | Realizacion perceptual mejorada de metodos de codificacion de reconstruccion de altas frecuencias por filtrado adaptativo. |
US09/987,475 US7003451B2 (en) | 2000-11-14 | 2001-11-14 | Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system |
HK03108654A HK1056429A1 (en) | 2000-11-14 | 2003-11-27 | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
JP2005273150A JP2006079106A (ja) | 2000-11-14 | 2005-09-21 | 適応ろ波による高周波復元符号化方法の知覚性能の強化方法 |
US11/247,176 US7433817B2 (en) | 2000-11-14 | 2005-10-12 | Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0004163A SE0004163D0 (sv) | 2000-11-14 | 2000-11-14 | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
Publications (1)
Publication Number | Publication Date |
---|---|
SE0004163D0 true SE0004163D0 (sv) | 2000-11-14 |
Family
ID=20281813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0004163A SE0004163D0 (sv) | 2000-11-14 | 2000-11-14 | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
Country Status (14)
Country | Link |
---|---|
US (2) | US7003451B2 (ja) |
EP (1) | EP1342230B1 (ja) |
JP (2) | JP3954495B2 (ja) |
KR (1) | KR100517229B1 (ja) |
CN (2) | CN1267890C (ja) |
AT (1) | ATE264533T1 (ja) |
AU (1) | AU2002214496A1 (ja) |
DE (1) | DE60102838T2 (ja) |
DK (1) | DK1342230T3 (ja) |
ES (1) | ES2215935T3 (ja) |
HK (1) | HK1056429A1 (ja) |
PT (1) | PT1342230E (ja) |
SE (1) | SE0004163D0 (ja) |
WO (1) | WO2002041301A1 (ja) |
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DE60102838D1 (de) | 2004-05-19 |
JP3954495B2 (ja) | 2007-08-08 |
DK1342230T3 (da) | 2004-08-02 |
JP2004514179A (ja) | 2004-05-13 |
PT1342230E (pt) | 2004-09-30 |
EP1342230A1 (en) | 2003-09-10 |
ES2215935T3 (es) | 2004-10-16 |
US20020087304A1 (en) | 2002-07-04 |
US7433817B2 (en) | 2008-10-07 |
CN1766993A (zh) | 2006-05-03 |
US7003451B2 (en) | 2006-02-21 |
CN1766993B (zh) | 2011-07-27 |
AU2002214496A1 (en) | 2002-05-27 |
DE60102838T2 (de) | 2005-04-21 |
US20060036432A1 (en) | 2006-02-16 |
KR20030062338A (ko) | 2003-07-23 |
CN1267890C (zh) | 2006-08-02 |
ATE264533T1 (de) | 2004-04-15 |
CN1481545A (zh) | 2004-03-10 |
KR100517229B1 (ko) | 2005-09-27 |
HK1056429A1 (en) | 2004-02-13 |
WO2002041301A1 (en) | 2002-05-23 |
JP2006079106A (ja) | 2006-03-23 |
EP1342230B1 (en) | 2004-04-14 |
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