ATE384358T1 - Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen - Google Patents

Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen

Info

Publication number
ATE384358T1
ATE384358T1 AT06012977T AT06012977T ATE384358T1 AT E384358 T1 ATE384358 T1 AT E384358T1 AT 06012977 T AT06012977 T AT 06012977T AT 06012977 T AT06012977 T AT 06012977T AT E384358 T1 ATE384358 T1 AT E384358T1
Authority
AT
Austria
Prior art keywords
coder
audio signal
processor
transform
masking
Prior art date
Application number
AT06012977T
Other languages
English (en)
Inventor
Henrique Malvar
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 ATE384358T1 publication Critical patent/ATE384358T1/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Analogue/Digital Conversion (AREA)
  • Noise Elimination (AREA)
AT06012977T 1998-05-27 1999-05-27 Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen ATE384358T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/085,620 US6115689A (en) 1998-05-27 1998-05-27 Scalable audio coder and decoder
US09/109,345 US6029126A (en) 1998-06-30 1998-06-30 Scalable audio coder and decoder

Publications (1)

Publication Number Publication Date
ATE384358T1 true ATE384358T1 (de) 2008-02-15

Family

ID=26772919

Family Applications (4)

Application Number Title Priority Date Filing Date
AT06012977T ATE384358T1 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen
AT99926007T ATE288613T1 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur entropie-kodierung von quantisierten transformationskoeffizienten eines signals
AT99926006T ATE323377T1 (de) 1998-05-27 1999-05-27 Skalierbarer audiokodierer und dekodierer
AT99926009T ATE339037T1 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen

Family Applications After (3)

Application Number Title Priority Date Filing Date
AT99926007T ATE288613T1 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur entropie-kodierung von quantisierten transformationskoeffizienten eines signals
AT99926006T ATE323377T1 (de) 1998-05-27 1999-05-27 Skalierbarer audiokodierer und dekodierer
AT99926009T ATE339037T1 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen

Country Status (7)

Country Link
EP (4) EP1701452B1 (de)
JP (3) JP4570250B2 (de)
CN (3) CN1183685C (de)
AT (4) ATE384358T1 (de)
AU (3) AU4218099A (de)
DE (4) DE69923555T2 (de)
WO (3) WO1999062189A2 (de)

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DE10204617B4 (de) * 2002-02-05 2005-02-03 Siemens Ag Verfahren und Vorrichtungen zur Kompression und Dekompression eines Videodatenstroms
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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
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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
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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
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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
BR112016025850B1 (pt) * 2014-05-08 2022-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Métodos para codificar um sinal de áudio e para discriminação de sinal de áudio, codificador para codificação de um sinal de áudio, discriminador de sinal de áudio, dispositivo de comunicação, e, meio de armazenamento legível por computador
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
CN115050377A (zh) * 2021-02-26 2022-09-13 腾讯科技（深圳）有限公司 音频转码方法、装置、音频转码器、设备以及存储介质
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Also Published As

Publication number Publication date
WO1999062189A3 (en) 2000-03-16
AU4218299A (en) 1999-12-13
EP1701452B1 (de) 2008-01-16
EP1080579A2 (de) 2001-03-07
CN1312974A (zh) 2001-09-12
DE69933119D1 (de) 2006-10-19
AU4218099A (en) 1999-12-13
DE69930848T2 (de) 2006-09-07
DE69923555D1 (de) 2005-03-10
EP1080462A2 (de) 2001-03-07
WO1999062052A3 (en) 2000-03-09
JP2002517019A (ja) 2002-06-11
WO1999062253A3 (en) 2000-03-09
JP4864201B2 (ja) 2012-02-01
EP1080542A2 (de) 2001-03-07
JP2002517025A (ja) 2002-06-11
EP1080462B1 (de) 2005-02-02
EP1080579B1 (de) 2006-04-12
ATE339037T1 (de) 2006-09-15
CN1183685C (zh) 2005-01-05
WO1999062253A2 (en) 1999-12-02
JP4570250B2 (ja) 2010-10-27
DE69930848D1 (de) 2006-05-24
EP1080542B1 (de) 2006-09-06
CN1312976A (zh) 2001-09-12
JP2002517023A (ja) 2002-06-11
DE69923555T2 (de) 2006-02-16
CN1146130C (zh) 2004-04-14
AU4218199A (en) 1999-12-13
ATE323377T1 (de) 2006-04-15
ATE288613T1 (de) 2005-02-15
EP1701452A1 (de) 2006-09-13
JP4373006B2 (ja) 2009-11-25
CN100361405C (zh) 2008-01-09
DE69933119T2 (de) 2007-09-13
DE69938016D1 (de) 2008-03-06
WO1999062052A2 (en) 1999-12-02
CN1312977A (zh) 2001-09-12
WO1999062189A2 (en) 1999-12-02
DE69938016T2 (de) 2008-05-15

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