SE0004187D0 - Enhancing the performance of coding systems that use high frequency reconstruction methods - Google Patents

Enhancing the performance of coding systems that use high frequency reconstruction methods

Info

Publication number
SE0004187D0
SE0004187D0 SE0004187A SE0004187A SE0004187D0 SE 0004187 D0 SE0004187 D0 SE 0004187D0 SE 0004187 A SE0004187 A SE 0004187A SE 0004187 A SE0004187 A SE 0004187A SE 0004187 D0 SE0004187 D0 SE 0004187D0
Authority
SE
Sweden
Prior art keywords
frequency
audio signal
high frequency
crossover frequency
core encoder
Prior art date
Application number
SE0004187A
Other languages
English (en)
Inventor
Fredrik Henn
Andreas Ehret
Michael Schug
Original Assignee
Coding Technologies Sweden Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Coding Technologies Sweden Ab filed Critical Coding Technologies Sweden Ab
Priority to SE0004187A priority Critical patent/SE0004187D0/sv
Publication of SE0004187D0 publication Critical patent/SE0004187D0/sv
Priority to CNB018189725A priority patent/CN1232950C/zh
Priority to AU2002215282A priority patent/AU2002215282A1/en
Priority to EP01983888A priority patent/EP1334484B1/en
Priority to PCT/SE2001/002533 priority patent/WO2002041302A1/en
Priority to AT01983888T priority patent/ATE267445T1/de
Priority to KR1020037006583A priority patent/KR100551862B1/ko
Priority to ES01983888T priority patent/ES2218462T3/es
Priority to PT01983888T priority patent/PT1334484E/pt
Priority to JP2002543428A priority patent/JP3983668B2/ja
Priority to DK01983888T priority patent/DK1334484T3/da
Priority to TR2004/01631T priority patent/TR200401631T4/xx
Priority to DE60103424T priority patent/DE60103424T2/de
Priority to US09/987,657 priority patent/US7050972B2/en
Priority to HK03108655A priority patent/HK1058096A1/xx
Priority to JP2007142978A priority patent/JP4991397B2/ja
Priority to JP2011269144A priority patent/JP5933965B2/ja
Priority to JP2014002174A priority patent/JP6207404B2/ja
Priority to JP2016114496A priority patent/JP6368740B2/ja
Priority to JP2018129571A priority patent/JP6592148B2/ja

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
SE0004187A 2000-11-15 2000-11-15 Enhancing the performance of coding systems that use high frequency reconstruction methods SE0004187D0 (sv)

Priority Applications (20)

Application Number Priority Date Filing Date Title
SE0004187A SE0004187D0 (sv) 2000-11-15 2000-11-15 Enhancing the performance of coding systems that use high frequency reconstruction methods
DE60103424T DE60103424T2 (de) 2000-11-15 2001-11-14 Verbessern der leistung von kodierungssystemen, die hochfrequenz-rekonstruktionsverfahren verwenden
PT01983888T PT1334484E (pt) 2000-11-15 2001-11-14 Melhorar o desempenho de sistemas de codificacao que utilizam metodos de reconstrucao a altas frequencias
DK01983888T DK1334484T3 (da) 2000-11-15 2001-11-14 Forbedring af ydeevnen for kodesystemer, der anvender höjfrekvensrekonstruktionsfremgangsmåder
EP01983888A EP1334484B1 (en) 2000-11-15 2001-11-14 Enhancing the performance of coding systems that use high frequency reconstruction methods
PCT/SE2001/002533 WO2002041302A1 (en) 2000-11-15 2001-11-14 Enhancing the performance of coding systems that use high frequency reconstruction methods
AT01983888T ATE267445T1 (de) 2000-11-15 2001-11-14 Verbessern der leistung von kodierungssystemen, die hochfrequenz-rekonstruktionsverfahren verwenden
KR1020037006583A KR100551862B1 (ko) 2000-11-15 2001-11-14 고주파 복원 방법을 이용하는 코딩 시스템의 성능 향상방법 및 시스템
ES01983888T ES2218462T3 (es) 2000-11-15 2001-11-14 Mejora del rendimiento de sistemas de cifrado que usan metodos de reconstruccion de alta frecuencia.
CNB018189725A CN1232950C (zh) 2000-11-15 2001-11-14 性能增强的使用高频重建方法的编码系统和方法
JP2002543428A JP3983668B2 (ja) 2000-11-15 2001-11-14 高周波数の再構成方法を使用するコーディング・システムの性能拡大方法
AU2002215282A AU2002215282A1 (en) 2000-11-15 2001-11-14 Enhancing the performance of coding systems that use high frequency reconstruction methods
TR2004/01631T TR200401631T4 (tr) 2000-11-15 2001-11-14 Yüksek frekanslı yeniden yapılandırma yöntemlerini kullanan kodlama sistemlerinin performansının artırılması.
US09/987,657 US7050972B2 (en) 2000-11-15 2001-11-15 Enhancing the performance of coding systems that use high frequency reconstruction methods
HK03108655A HK1058096A1 (en) 2000-11-15 2003-11-27 Enhancing the performance of coding systems that use high frequency reconstruction methods.
JP2007142978A JP4991397B2 (ja) 2000-11-15 2007-05-30 高周波数の再構成方法を使用するコーディング・システムの性能拡大方法
JP2011269144A JP5933965B2 (ja) 2000-11-15 2011-12-08 高周波数の再構成方法を使用するコーディング・システムの性能拡大方法
JP2014002174A JP6207404B2 (ja) 2000-11-15 2014-01-09 高周波数の再構成方法を使用するコーディング・システムの性能拡大方法
JP2016114496A JP6368740B2 (ja) 2000-11-15 2016-06-08 高周波数の再構成方法を使用するコーディング・システムの性能拡大方法
JP2018129571A JP6592148B2 (ja) 2000-11-15 2018-07-09 高周波数の再構成方法を使用するコーディング・システムの性能拡大方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0004187A SE0004187D0 (sv) 2000-11-15 2000-11-15 Enhancing the performance of coding systems that use high frequency reconstruction methods

Publications (1)

Publication Number Publication Date
SE0004187D0 true SE0004187D0 (sv) 2000-11-15

Family

ID=20281835

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0004187A SE0004187D0 (sv) 2000-11-15 2000-11-15 Enhancing the performance of coding systems that use high frequency reconstruction methods

Country Status (15)

Country Link
US (1) US7050972B2 (sv)
EP (1) EP1334484B1 (sv)
JP (6) JP3983668B2 (sv)
KR (1) KR100551862B1 (sv)
CN (1) CN1232950C (sv)
AT (1) ATE267445T1 (sv)
AU (1) AU2002215282A1 (sv)
DE (1) DE60103424T2 (sv)
DK (1) DK1334484T3 (sv)
ES (1) ES2218462T3 (sv)
HK (1) HK1058096A1 (sv)
PT (1) PT1334484E (sv)
SE (1) SE0004187D0 (sv)
TR (1) TR200401631T4 (sv)
WO (1) WO2002041302A1 (sv)

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Also Published As

Publication number Publication date
JP2007293354A (ja) 2007-11-08
JP2014089472A (ja) 2014-05-15
JP2004514180A (ja) 2004-05-13
PT1334484E (pt) 2004-09-30
ATE267445T1 (de) 2004-06-15
JP6592148B2 (ja) 2019-10-16
CN1232950C (zh) 2005-12-21
JP6368740B2 (ja) 2018-08-01
DE60103424D1 (de) 2004-06-24
TR200401631T4 (tr) 2004-09-21
EP1334484A1 (en) 2003-08-13
JP2016189015A (ja) 2016-11-04
JP5933965B2 (ja) 2016-06-15
JP2018185530A (ja) 2018-11-22
WO2002041302A1 (en) 2002-05-23
KR20030076576A (ko) 2003-09-26
JP2012093774A (ja) 2012-05-17
US7050972B2 (en) 2006-05-23
JP3983668B2 (ja) 2007-09-26
DK1334484T3 (da) 2004-08-09
DE60103424T2 (de) 2005-06-16
CN1475010A (zh) 2004-02-11
AU2002215282A1 (en) 2002-05-27
JP4991397B2 (ja) 2012-08-01
JP6207404B2 (ja) 2017-10-04
EP1334484B1 (en) 2004-05-19
US20020103637A1 (en) 2002-08-01
KR100551862B1 (ko) 2006-02-13
ES2218462T3 (es) 2004-11-16
HK1058096A1 (en) 2004-04-30

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