ATE323377T1 - Skalierbarer audiokodierer und dekodierer - Google Patents

Skalierbarer audiokodierer und dekodierer

Info

Publication number
ATE323377T1
ATE323377T1 AT99926006T AT99926006T ATE323377T1 AT E323377 T1 ATE323377 T1 AT E323377T1 AT 99926006 T AT99926006 T AT 99926006T AT 99926006 T AT99926006 T AT 99926006T AT E323377 T1 ATE323377 T1 AT E323377T1
Authority
AT
Austria
Prior art keywords
coder
audio signal
processor
decoder
transform
Prior art date
Application number
AT99926006T
Other languages
English (en)
Inventor
Henrique S 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 ATE323377T1 publication Critical patent/ATE323377T1/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)
  • Telephonic Communication Services (AREA)
  • Noise Elimination (AREA)
  • Analogue/Digital Conversion (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT99926006T 1998-05-27 1999-05-27 Skalierbarer audiokodierer und dekodierer ATE323377T1 (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
ATE323377T1 true ATE323377T1 (de) 2006-04-15

Family

ID=26772919

Family Applications (4)

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
AT06012977T ATE384358T1 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen

Family Applications Before (1)

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

Family Applications After (2)

Application Number Title Priority Date Filing Date
AT99926009T ATE339037T1 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen
AT06012977T ATE384358T1 (de) 1998-05-27 1999-05-27 Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen

Country Status (7)

Country Link
EP (4) EP1080462B1 (de)
JP (3) JP4373006B2 (de)
CN (3) CN1183685C (de)
AT (4) ATE288613T1 (de)
AU (3) AU4218299A (de)
DE (4) DE69930848T2 (de)
WO (3) WO1999062189A2 (de)

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WO2003036619A1 (en) * 2001-10-19 2003-05-01 Koninklijke Philips Electronics N.V. Frequency-differential encoding of sinusoidal model parameters
DE10204617B4 (de) * 2002-02-05 2005-02-03 Siemens Ag Verfahren und Vorrichtungen zur Kompression und Dekompression eines Videodatenstroms
CN105306067B (zh) * 2002-09-20 2018-09-11 株式会社Ntt都科摩 算术编码的方法和设备
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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
CN101046963B (zh) * 2004-09-17 2011-03-23 广州广晟数码技术有限公司 解码经编码的音频数据流的方法
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
CN101120584B (zh) * 2005-11-18 2011-04-20 索尼株式会社 编码装置和方法、解码装置和方法、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.
MX2010001763A (es) * 2007-08-27 2010-03-10 Ericsson Telefon Ab L M Analisis/sintesis espectral de baja complejidad utilizando la resolucion 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
EP3140831B1 (de) * 2014-05-08 2018-07-11 Telefonaktiebolaget LM Ericsson (publ) Tonsignalunterscheider und codierer
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
CN115050377B (zh) * 2021-02-26 2024-09-27 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
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
WO1999062052A2 (en) 1999-12-02
DE69923555D1 (de) 2005-03-10
EP1080462A2 (de) 2001-03-07
CN100361405C (zh) 2008-01-09
WO1999062189A3 (en) 2000-03-16
AU4218099A (en) 1999-12-13
DE69930848T2 (de) 2006-09-07
EP1080579A2 (de) 2001-03-07
JP4570250B2 (ja) 2010-10-27
AU4218299A (en) 1999-12-13
EP1701452A1 (de) 2006-09-13
EP1080579B1 (de) 2006-04-12
JP4373006B2 (ja) 2009-11-25
CN1312976A (zh) 2001-09-12
DE69938016D1 (de) 2008-03-06
DE69923555T2 (de) 2006-02-16
JP2002517025A (ja) 2002-06-11
CN1312977A (zh) 2001-09-12
ATE288613T1 (de) 2005-02-15
JP4864201B2 (ja) 2012-02-01
DE69930848D1 (de) 2006-05-24
WO1999062189A2 (en) 1999-12-02
DE69933119D1 (de) 2006-10-19
EP1080462B1 (de) 2005-02-02
JP2002517023A (ja) 2002-06-11
CN1146130C (zh) 2004-04-14
DE69938016T2 (de) 2008-05-15
JP2002517019A (ja) 2002-06-11
CN1183685C (zh) 2005-01-05
EP1080542A2 (de) 2001-03-07
ATE339037T1 (de) 2006-09-15
AU4218199A (en) 1999-12-13
DE69933119T2 (de) 2007-09-13
EP1080542B1 (de) 2006-09-06
EP1701452B1 (de) 2008-01-16
WO1999062253A2 (en) 1999-12-02
CN1312974A (zh) 2001-09-12
WO1999062253A3 (en) 2000-03-09
WO1999062052A3 (en) 2000-03-09
ATE384358T1 (de) 2008-02-15

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Legal Events

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