DK0818037T3 - Fremgangsmåde og apparat til effektiv implementering af enkelt sidebåndsfilterbanker, der tilvejebringer nøjagtige mål for - Google Patents
Fremgangsmåde og apparat til effektiv implementering af enkelt sidebåndsfilterbanker, der tilvejebringer nøjagtige mål forInfo
- Publication number
- DK0818037T3 DK0818037T3 DK96910493T DK96910493T DK0818037T3 DK 0818037 T3 DK0818037 T3 DK 0818037T3 DK 96910493 T DK96910493 T DK 96910493T DK 96910493 T DK96910493 T DK 96910493T DK 0818037 T3 DK0818037 T3 DK 0818037T3
- Authority
- DK
- Denmark
- Prior art keywords
- samples
- filter banks
- spectral
- complex
- valued
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Networks Using Active Elements (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/412,377 US5727119A (en) | 1995-03-27 | 1995-03-27 | Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase |
PCT/US1996/003820 WO1996030894A1 (en) | 1995-03-27 | 1996-03-20 | Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0818037T3 true DK0818037T3 (da) | 1999-12-13 |
Family
ID=23632747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK96910493T DK0818037T3 (da) | 1995-03-27 | 1996-03-20 | Fremgangsmåde og apparat til effektiv implementering af enkelt sidebåndsfilterbanker, der tilvejebringer nøjagtige mål for |
Country Status (11)
Country | Link |
---|---|
US (1) | US5727119A (es) |
EP (1) | EP0818037B1 (es) |
JP (1) | JP4242450B2 (es) |
KR (1) | KR100378128B1 (es) |
AT (1) | ATE182025T1 (es) |
AU (1) | AU696442B2 (es) |
CA (1) | CA2213348C (es) |
DE (1) | DE69603166T2 (es) |
DK (1) | DK0818037T3 (es) |
ES (1) | ES2133956T3 (es) |
WO (1) | WO1996030894A1 (es) |
Families Citing this family (61)
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JP3747067B2 (ja) * | 1996-02-27 | 2006-02-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 信号の符号化及び復号化方法及び装置 |
DE19730130C2 (de) * | 1997-07-14 | 2002-02-28 | Fraunhofer Ges Forschung | Verfahren zum Codieren eines Audiosignals |
DE69738204D1 (de) * | 1997-08-29 | 2007-11-22 | St Microelectronics Asia | Schnelles syntheseverfahren für die sub-bandfiltrierung für die dekodierung von digitalen signalen |
US5899969A (en) * | 1997-10-17 | 1999-05-04 | Dolby Laboratories Licensing Corporation | Frame-based audio coding with gain-control words |
US5913191A (en) * | 1997-10-17 | 1999-06-15 | Dolby Laboratories Licensing Corporation | Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries |
US5903872A (en) * | 1997-10-17 | 1999-05-11 | Dolby Laboratories Licensing Corporation | Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries |
JPH11219198A (ja) * | 1998-01-30 | 1999-08-10 | Sony Corp | 位相検出装置及び方法、並びに音声符号化装置及び方法 |
US6209094B1 (en) | 1998-10-14 | 2001-03-27 | Liquid Audio Inc. | Robust watermark method and apparatus for digital signals |
US6330673B1 (en) | 1998-10-14 | 2001-12-11 | Liquid Audio, Inc. | Determination of a best offset to detect an embedded pattern |
US6219634B1 (en) * | 1998-10-14 | 2001-04-17 | Liquid Audio, Inc. | Efficient watermark method and apparatus for digital signals |
US6320965B1 (en) | 1998-10-14 | 2001-11-20 | Liquid Audio, Inc. | Secure watermark method and apparatus for digital signals |
US6345100B1 (en) | 1998-10-14 | 2002-02-05 | Liquid Audio, Inc. | Robust watermark method and apparatus for digital signals |
US6496795B1 (en) * | 1999-05-05 | 2002-12-17 | Microsoft Corporation | Modulated complex lapped transform for integrated signal enhancement and coding |
US6430529B1 (en) * | 1999-02-26 | 2002-08-06 | Sony Corporation | System and method for efficient time-domain aliasing cancellation |
KR100297832B1 (ko) | 1999-05-15 | 2001-09-26 | 윤종용 | 음성 신호 위상 정보 처리 장치 및 그 방법 |
US6678647B1 (en) * | 2000-06-02 | 2004-01-13 | Agere Systems Inc. | Perceptual coding of audio signals using cascaded filterbanks for performing irrelevancy reduction and redundancy reduction with different spectral/temporal resolution |
US6807528B1 (en) * | 2001-05-08 | 2004-10-19 | Dolby Laboratories Licensing Corporation | Adding data to a compressed data frame |
DE10234130B3 (de) * | 2002-07-26 | 2004-02-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen einer komplexen Spektraldarstellung eines zeitdiskreten Signals |
US7330812B2 (en) * | 2002-10-04 | 2008-02-12 | National Research Council Of Canada | Method and apparatus for transmitting an audio stream having additional payload in a hidden sub-channel |
CN100559467C (zh) * | 2002-11-29 | 2009-11-11 | 皇家飞利浦电子股份有限公司 | 音频编码 |
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WO2005086139A1 (en) | 2004-03-01 | 2005-09-15 | Dolby Laboratories Licensing Corporation | Multichannel audio coding |
RU2396608C2 (ru) * | 2004-04-05 | 2010-08-10 | Конинклейке Филипс Электроникс Н.В. | Способ, устройство, кодирующее устройство, декодирующее устройство и аудиосистема |
CN1973320B (zh) * | 2004-04-05 | 2010-12-15 | 皇家飞利浦电子股份有限公司 | 立体声编码和解码的方法及其设备 |
TWI498882B (zh) | 2004-08-25 | 2015-09-01 | Dolby Lab Licensing Corp | 音訊解碼器 |
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BRPI0518278B1 (pt) | 2004-10-26 | 2018-04-24 | Dolby Laboratories Licensing Corporation | Método e aparelho para controlar uma característica de sonoridade particular de um sinal de áudio |
US8199933B2 (en) | 2004-10-26 | 2012-06-12 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
US20060224390A1 (en) * | 2005-04-01 | 2006-10-05 | Pai Ramadas L | System, method, and apparatus for audio decoding accelerator |
TWI397903B (zh) | 2005-04-13 | 2013-06-01 | Dolby Lab Licensing Corp | 編碼音訊之節約音量測量技術 |
CA2752117A1 (en) * | 2005-04-18 | 2006-10-26 | Basf Aktiengesellschaft | Preparation containing at least one conazole fungicide a further fungicide and a stabilising copolymer |
WO2007120452A1 (en) * | 2006-04-04 | 2007-10-25 | Dolby Laboratories Licensing Corporation | Audio signal loudness measurement and modification in the mdct domain |
TWI517562B (zh) | 2006-04-04 | 2016-01-11 | 杜比實驗室特許公司 | 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式 |
KR101200615B1 (ko) | 2006-04-27 | 2012-11-12 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 청각 이벤트 검출에 기반한 비-라우드니스를 이용한 자동 이득 제어 |
WO2008051347A2 (en) | 2006-10-20 | 2008-05-02 | Dolby Laboratories Licensing Corporation | Audio dynamics processing using a reset |
US8521314B2 (en) * | 2006-11-01 | 2013-08-27 | Dolby Laboratories Licensing Corporation | Hierarchical control path with constraints for audio dynamics processing |
WO2008100503A2 (en) * | 2007-02-12 | 2008-08-21 | Dolby Laboratories Licensing Corporation | Improved ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners |
ES2391228T3 (es) | 2007-02-26 | 2012-11-22 | Dolby Laboratories Licensing Corporation | Realce de voz en audio de entretenimiento |
JP5192544B2 (ja) * | 2007-07-13 | 2013-05-08 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 聴覚情景分析とスペクトルの歪みを用いた音響処理 |
DE102007035171A1 (de) * | 2007-07-27 | 2009-02-05 | Siemens Medical Instruments Pte. Ltd. | Verfahren zum Anpassen eines Hörgeräts mit Hilfe eines perzeptiven Modells |
US8315398B2 (en) * | 2007-12-21 | 2012-11-20 | Dts Llc | System for adjusting perceived loudness of audio signals |
TWI675367B (zh) | 2009-05-27 | 2019-10-21 | 瑞典商杜比國際公司 | 從訊號的低頻成份產生該訊號之高頻成份的系統與方法,及其機上盒、電腦程式產品、軟體程式及儲存媒體 |
US11657788B2 (en) | 2009-05-27 | 2023-05-23 | Dolby International Ab | Efficient combined harmonic transposition |
US8538042B2 (en) | 2009-08-11 | 2013-09-17 | Dts Llc | System for increasing perceived loudness of speakers |
PL2676268T3 (pl) | 2011-02-14 | 2015-05-29 | Fraunhofer Ges Forschung | Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej |
PT2676270T (pt) | 2011-02-14 | 2017-05-02 | Fraunhofer Ges Forschung | Codificação de uma parte de um sinal de áudio utilizando uma deteção de transiente e um resultado de qualidade |
PT3239978T (pt) | 2011-02-14 | 2019-04-02 | Fraunhofer Ges Forschung | Codificação e descodificação de posições de pulso de faixas de um sinal de áudio |
AR085794A1 (es) | 2011-02-14 | 2013-10-30 | Fraunhofer Ges Forschung | Prediccion lineal basada en esquema de codificacion utilizando conformacion de ruido de dominio espectral |
KR101424372B1 (ko) * | 2011-02-14 | 2014-08-01 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 랩핑 변환을 이용한 정보 신호 표현 |
WO2013078056A1 (en) | 2011-11-22 | 2013-05-30 | Dolby Laboratories Licensing Corporation | Method and system for generating an audio metadata quality score |
US8527264B2 (en) | 2012-01-09 | 2013-09-03 | Dolby Laboratories Licensing Corporation | Method and system for encoding audio data with adaptive low frequency compensation |
US9312829B2 (en) | 2012-04-12 | 2016-04-12 | Dts Llc | System for adjusting loudness of audio signals in real time |
TWI538000B (zh) | 2012-05-10 | 2016-06-11 | 杜比實驗室特許公司 | 多階段過濾器,音頻編碼器,音頻解碼器,施行多階段過濾的方法,用以編碼音頻資料的方法,用以將編碼音頻資料解碼的方法,及用以處理編碼位元流的方法和裝置 |
US9460729B2 (en) * | 2012-09-21 | 2016-10-04 | Dolby Laboratories Licensing Corporation | Layered approach to spatial audio coding |
CN107578781B (zh) | 2013-01-21 | 2021-01-29 | 杜比实验室特许公司 | 利用响度处理状态元数据的音频编码器和解码器 |
CN109036443B (zh) | 2013-01-21 | 2023-08-18 | 杜比实验室特许公司 | 用于在不同回放设备之间优化响度和动态范围的系统和方法 |
TR201802631T4 (tr) | 2013-01-21 | 2018-03-21 | Dolby Laboratories Licensing Corp | Program Ses Şiddeti ve Sınır Meta Verilere Sahip Sesli Enkoder ve Dekoder |
TWI530941B (zh) | 2013-04-03 | 2016-04-21 | 杜比實驗室特許公司 | 用於基於物件音頻之互動成像的方法與系統 |
US8804971B1 (en) | 2013-04-30 | 2014-08-12 | Dolby International Ab | Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio |
US10652856B2 (en) * | 2017-06-22 | 2020-05-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Transmission and reception of broadcast information in a wireless communication system |
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DE4134420C1 (es) * | 1991-10-17 | 1992-12-03 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | |
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-
1995
- 1995-03-27 US US08/412,377 patent/US5727119A/en not_active Expired - Lifetime
-
1996
- 1996-03-20 ES ES96910493T patent/ES2133956T3/es not_active Expired - Lifetime
- 1996-03-20 AT AT96910493T patent/ATE182025T1/de active
- 1996-03-20 DK DK96910493T patent/DK0818037T3/da active
- 1996-03-20 WO PCT/US1996/003820 patent/WO1996030894A1/en active IP Right Grant
- 1996-03-20 EP EP96910493A patent/EP0818037B1/en not_active Expired - Lifetime
- 1996-03-20 AU AU53669/96A patent/AU696442B2/en not_active Expired
- 1996-03-20 DE DE69603166T patent/DE69603166T2/de not_active Expired - Lifetime
- 1996-03-20 CA CA002213348A patent/CA2213348C/en not_active Expired - Lifetime
- 1996-03-20 JP JP52950396A patent/JP4242450B2/ja not_active Expired - Lifetime
-
1997
- 1997-09-02 KR KR10-1997-0706117A patent/KR100378128B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE182025T1 (de) | 1999-07-15 |
DE69603166T2 (de) | 2000-02-24 |
JPH11503240A (ja) | 1999-03-23 |
DE69603166D1 (de) | 1999-08-12 |
EP0818037A1 (en) | 1998-01-14 |
JP4242450B2 (ja) | 2009-03-25 |
EP0818037B1 (en) | 1999-07-07 |
US5727119A (en) | 1998-03-10 |
CA2213348C (en) | 2006-07-11 |
AU5366996A (en) | 1996-10-16 |
KR100378128B1 (es) | 2004-03-19 |
CA2213348A1 (en) | 1996-10-03 |
WO1996030894A1 (en) | 1996-10-03 |
AU696442B2 (en) | 1998-09-10 |
ES2133956T3 (es) | 1999-09-16 |
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