DK0635177T3 - Fremgangsmåde til overførsel og/eller lagring af digitaliserede, datareducerede audiosignaler - Google Patents

Fremgangsmåde til overførsel og/eller lagring af digitaliserede, datareducerede audiosignaler

Info

Publication number
DK0635177T3
DK0635177T3 DK93906583.5T DK93906583T DK0635177T3 DK 0635177 T3 DK0635177 T3 DK 0635177T3 DK 93906583 T DK93906583 T DK 93906583T DK 0635177 T3 DK0635177 T3 DK 0635177T3
Authority
DK
Denmark
Prior art keywords
audio signal
digitized audio
data
changed
reduced
Prior art date
Application number
DK93906583.5T
Other languages
Danish (da)
English (en)
Inventor
Martin Link
Detlef Wiese
Georg Plenge
Original Assignee
Inst Rundfunktechnik Gmbh
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 Inst Rundfunktechnik Gmbh filed Critical Inst Rundfunktechnik Gmbh
Application granted granted Critical
Publication of DK0635177T3 publication Critical patent/DK0635177T3/da

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
    • 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
    • H04B1/62—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 providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DK93906583.5T 1992-04-09 1993-03-22 Fremgangsmåde til overførsel og/eller lagring af digitaliserede, datareducerede audiosignaler DK0635177T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4211945A DE4211945C1 (xx) 1992-04-09 1992-04-09

Publications (1)

Publication Number Publication Date
DK0635177T3 true DK0635177T3 (da) 1996-12-23

Family

ID=6456471

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93906583.5T DK0635177T3 (da) 1992-04-09 1993-03-22 Fremgangsmåde til overførsel og/eller lagring af digitaliserede, datareducerede audiosignaler

Country Status (8)

Country Link
US (1) US5659660A (xx)
EP (1) EP0635177B1 (xx)
AT (1) ATE141732T1 (xx)
CA (1) CA2133844C (xx)
DE (2) DE4211945C1 (xx)
DK (1) DK0635177T3 (xx)
ES (1) ES2090988T3 (xx)
WO (1) WO1993021694A1 (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3283200B2 (ja) * 1996-12-19 2002-05-20 ケイディーディーアイ株式会社 符号化音声データの符号化レート変換方法および装置
US6757648B2 (en) * 2001-06-28 2004-06-29 Microsoft Corporation Techniques for quantization of spectral data in transcoding
US20050232497A1 (en) * 2004-04-15 2005-10-20 Microsoft Corporation High-fidelity transcoding
US8457958B2 (en) 2007-11-09 2013-06-04 Microsoft Corporation Audio transcoder using encoder-generated side information to transcode to target bit-rate
US8164862B2 (en) * 2008-04-02 2012-04-24 Headway Technologies, Inc. Seed layer for TMR or CPP-GMR sensor
US8311115B2 (en) * 2009-01-29 2012-11-13 Microsoft Corporation Video encoding using previously calculated motion information
US8396114B2 (en) * 2009-01-29 2013-03-12 Microsoft Corporation Multiple bit rate video encoding using variable bit rate and dynamic resolution for adaptive video streaming
US8270473B2 (en) * 2009-06-12 2012-09-18 Microsoft Corporation Motion based dynamic resolution multiple bit rate video encoding
US8705616B2 (en) 2010-06-11 2014-04-22 Microsoft Corporation Parallel multiple bitrate video encoding to reduce latency and dependences between groups of pictures
US9591318B2 (en) 2011-09-16 2017-03-07 Microsoft Technology Licensing, Llc Multi-layer encoding and decoding
US11089343B2 (en) 2012-01-11 2021-08-10 Microsoft Technology Licensing, Llc Capability advertisement, configuration and control for video coding and decoding
US10699729B1 (en) * 2018-06-08 2020-06-30 Amazon Technologies, Inc. Phase inversion for virtual assistants and mobile music apps

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023277A (en) * 1957-09-19 1962-02-27 Bell Telephone Labor Inc Reduction of sampling rate in pulse code transmission
JPS5114845B1 (xx) * 1968-07-22 1976-05-12
US4038495A (en) * 1975-11-14 1977-07-26 Rockwell International Corporation Speech analyzer/synthesizer using recursive filters
JPS6037660B2 (ja) * 1980-05-06 1985-08-27 日本ビクター株式会社 音声信号の近似圧縮方式
US4546342A (en) * 1983-12-14 1985-10-08 Digital Recording Research Limited Partnership Data compression method and apparatus
DE3506912A1 (de) * 1985-02-27 1986-08-28 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur uebertragung eines audiosignals
DE3629434C2 (de) * 1986-08-29 1994-07-28 Karlheinz Dipl Ing Brandenburg Digitales Codierverfahren
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
DE3642982A1 (de) * 1986-12-17 1988-06-30 Thomson Brandt Gmbh System zur uebertragung
DE3703143A1 (de) * 1987-02-03 1988-08-11 Thomson Brandt Gmbh Verfahren zur uebertragung eines audiosignals
US4882754A (en) * 1987-08-25 1989-11-21 Digideck, Inc. Data compression system and method with buffer control
JP3171840B2 (ja) * 1988-05-26 2001-06-04 トムソン コンシューマー エレクトロニクス セイルズ ゲゼルシャフト ミット ベシュレンクテル ハフツング オーデイオ信号の伝送方法及びデコーディング装置
US5115469A (en) * 1988-06-08 1992-05-19 Fujitsu Limited Speech encoding/decoding apparatus having selected encoders
CA2002015C (en) * 1988-12-30 1994-12-27 Joseph Lindley Ii Hall Perceptual coding of audio signals

Also Published As

Publication number Publication date
ES2090988T3 (es) 1996-10-16
DE4211945C1 (xx) 1993-05-19
ATE141732T1 (de) 1996-09-15
DE59303510D1 (de) 1996-09-26
EP0635177A1 (de) 1995-01-25
US5659660A (en) 1997-08-19
CA2133844C (en) 1999-11-16
EP0635177B1 (de) 1996-08-21
CA2133844A1 (en) 1993-10-10
WO1993021694A1 (de) 1993-10-28

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