DE69933119D1 - Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen - Google Patents

Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen

Info

Publication number
DE69933119D1
DE69933119D1 DE69933119T DE69933119T DE69933119D1 DE 69933119 D1 DE69933119 D1 DE 69933119D1 DE 69933119 T DE69933119 T DE 69933119T DE 69933119 T DE69933119 T DE 69933119T DE 69933119 D1 DE69933119 D1 DE 69933119D1
Authority
DE
Germany
Prior art keywords
coder
audio signal
processor
transform
masking
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
Application number
DE69933119T
Other languages
English (en)
Other versions
DE69933119T2 (de
Inventor
S Malvar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsoft Corp
Original Assignee
Microsoft Corp
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
Priority claimed from US09/085,620 external-priority patent/US6115689A/en
Priority claimed from US09/109,345 external-priority patent/US6029126A/en
Application filed by Microsoft Corp filed Critical Microsoft Corp
Application granted granted Critical
Publication of DE69933119D1 publication Critical patent/DE69933119D1/de
Publication of DE69933119T2 publication Critical patent/DE69933119T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • 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
    • H04B1/667—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 a division in frequency subbands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03993—Noise whitening
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03522—Frequency domain
DE69933119T 1998-05-27 1999-05-27 Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen Expired - Lifetime DE69933119T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/085,620 US6115689A (en) 1998-05-27 1998-05-27 Scalable audio coder and decoder
US85620 1998-05-27
US09/109,345 US6029126A (en) 1998-06-30 1998-06-30 Scalable audio coder and decoder
US109345 1998-06-30
PCT/US1999/011898 WO1999062189A2 (en) 1998-05-27 1999-05-27 System and method for masking quantization noise of audio signals

Publications (2)

Publication Number Publication Date
DE69933119D1 true DE69933119D1 (de) 2006-10-19
DE69933119T2 DE69933119T2 (de) 2007-09-13

Family

ID=26772919

Family Applications (4)

Application Number Title Priority Date Filing Date
DE69930848T Expired - Lifetime DE69930848T2 (de) 1998-05-27 1999-05-27 Skalierbarer audiokodierer und dekodierer
DE69933119T Expired - Lifetime DE69933119T2 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen
DE69938016T Expired - Lifetime DE69938016T2 (de) 1998-05-27 1999-05-27 Verfahren und Vorrichtung zur Maskierung des Quantisierungsrauschens von Audiosignalen
DE69923555T Expired - Lifetime DE69923555T2 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur entropie-kodierung von quantisierten transformationskoeffizienten eines signals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69930848T Expired - Lifetime DE69930848T2 (de) 1998-05-27 1999-05-27 Skalierbarer audiokodierer und dekodierer

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69938016T Expired - Lifetime DE69938016T2 (de) 1998-05-27 1999-05-27 Verfahren und Vorrichtung zur Maskierung des Quantisierungsrauschens von Audiosignalen
DE69923555T Expired - Lifetime DE69923555T2 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur entropie-kodierung von quantisierten transformationskoeffizienten eines signals

Country Status (7)

Country Link
EP (4) EP1080579B1 (de)
JP (3) JP4570250B2 (de)
CN (3) CN100361405C (de)
AT (4) ATE339037T1 (de)
AU (3) AU4218099A (de)
DE (4) DE69930848T2 (de)
WO (3) WO1999062189A2 (de)

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US7395210B2 (en) * 2002-11-21 2008-07-01 Microsoft Corporation Progressive to lossless embedded audio coder (PLEAC) with multiple factorization reversible transform
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US8627213B1 (en) * 2004-08-10 2014-01-07 Hewlett-Packard Development Company, L.P. Chat room system to provide binaural sound at a user location
CN101241701B (zh) * 2004-09-17 2012-06-27 广州广晟数码技术有限公司 用于对音频信号进行解码的方法和设备
US7548853B2 (en) * 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
AU2011221401B2 (en) * 2005-06-17 2014-05-01 Dts (Bvi) Limited Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
CN101129063B (zh) * 2005-11-18 2010-05-19 索尼株式会社 编码设备和方法、解码设备和方法以及传输系统
US7953595B2 (en) * 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
DE102006051673A1 (de) 2006-11-02 2008-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale
CN101206860A (zh) * 2006-12-20 2008-06-25 华为技术有限公司 一种可分层音频编解码方法及装置
FR2912249A1 (fr) * 2007-02-02 2008-08-08 France Telecom Codage/decodage perfectionnes de signaux audionumeriques.
ES2658942T3 (es) * 2007-08-27 2018-03-13 Telefonaktiebolaget Lm Ericsson (Publ) Análisis espectral/síntesis de baja complejidad utilizando resolución temporal seleccionable
EP2267700B1 (de) * 2009-06-22 2011-12-21 APT Licensing Limited Vorrichtung und Verfahren zum Auswählen von Quantisierungsbändern in Audiokodierern
US8428959B2 (en) * 2010-01-29 2013-04-23 Polycom, Inc. Audio packet loss concealment by transform interpolation
US20110292247A1 (en) 2010-05-27 2011-12-01 Sony Corporation Image compression method with random access capability
CN103282958B (zh) * 2010-10-15 2016-03-30 华为技术有限公司 信号分析器、信号分析方法、信号合成器、信号合成方法、变换器和反向变换器
CN102103859B (zh) * 2011-01-11 2012-04-11 东南大学 一种数字音频编码、解码方法及装置
CN103117793B (zh) * 2013-01-25 2015-04-08 西安电子科技大学 多用户频谱感知中的伪均匀量化方法
CN110619892B (zh) * 2014-05-08 2023-04-11 瑞典爱立信有限公司 音频信号区分器和编码器
EP2992898A1 (de) 2014-09-04 2016-03-09 Klinikum rechts der Isar der Technischen Universität München T-Zell-Adjuvant und dessen Verwendung zur therapeutischen und prophylaktischen Impfung
US9430676B1 (en) 2015-03-17 2016-08-30 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Processor related noise encryptor
CN109193787B (zh) * 2018-10-28 2021-07-06 国网吉林省电力有限公司四平供电公司 一种含新能源配电网的谐波路径识别方法
US11726761B2 (en) * 2019-03-26 2023-08-15 Tymphany Acoustic Technology (Huizhou) Co., Ltd. Firmware upgrade for wireless stereo earbuds
CN113365176B (zh) * 2020-03-03 2023-04-28 华为技术有限公司 一种实现主动噪声消除的方法、装置和电子设备
WO2024008928A1 (en) * 2022-07-07 2024-01-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Masking threshold determinator, audio encoder, method and computer program for determining a masking threshold information

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Also Published As

Publication number Publication date
EP1080579A2 (de) 2001-03-07
CN1312977A (zh) 2001-09-12
EP1080542B1 (de) 2006-09-06
AU4218299A (en) 1999-12-13
CN1146130C (zh) 2004-04-14
EP1080462B1 (de) 2005-02-02
EP1701452B1 (de) 2008-01-16
ATE339037T1 (de) 2006-09-15
DE69930848T2 (de) 2006-09-07
WO1999062052A2 (en) 1999-12-02
JP4373006B2 (ja) 2009-11-25
JP4864201B2 (ja) 2012-02-01
DE69933119T2 (de) 2007-09-13
AU4218199A (en) 1999-12-13
CN100361405C (zh) 2008-01-09
WO1999062052A3 (en) 2000-03-09
JP2002517025A (ja) 2002-06-11
DE69938016D1 (de) 2008-03-06
ATE384358T1 (de) 2008-02-15
EP1080542A2 (de) 2001-03-07
WO1999062189A2 (en) 1999-12-02
DE69923555D1 (de) 2005-03-10
ATE323377T1 (de) 2006-04-15
JP2002517019A (ja) 2002-06-11
DE69930848D1 (de) 2006-05-24
CN1183685C (zh) 2005-01-05
EP1701452A1 (de) 2006-09-13
WO1999062189A3 (en) 2000-03-16
DE69938016T2 (de) 2008-05-15
AU4218099A (en) 1999-12-13
JP4570250B2 (ja) 2010-10-27
DE69923555T2 (de) 2006-02-16
ATE288613T1 (de) 2005-02-15
EP1080579B1 (de) 2006-04-12
JP2002517023A (ja) 2002-06-11
EP1080462A2 (de) 2001-03-07
WO1999062253A2 (en) 1999-12-02
CN1312974A (zh) 2001-09-12
WO1999062253A3 (en) 2000-03-09
CN1312976A (zh) 2001-09-12

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