WO2014094709A3 - Method for detecting at least two individual signals from at least two output signals - Google Patents

Method for detecting at least two individual signals from at least two output signals Download PDF

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Publication number
WO2014094709A3
WO2014094709A3 PCT/DE2013/000788 DE2013000788W WO2014094709A3 WO 2014094709 A3 WO2014094709 A3 WO 2014094709A3 DE 2013000788 W DE2013000788 W DE 2013000788W WO 2014094709 A3 WO2014094709 A3 WO 2014094709A3
Authority
WO
WIPO (PCT)
Prior art keywords
signals
individual
transformation
output signals
detecting
Prior art date
Application number
PCT/DE2013/000788
Other languages
German (de)
French (fr)
Other versions
WO2014094709A2 (en
Inventor
Daniel Kotulla
Original Assignee
Ask Industries 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 Ask Industries Gmbh filed Critical Ask Industries Gmbh
Priority to JP2015548194A priority Critical patent/JP6163211B2/en
Publication of WO2014094709A2 publication Critical patent/WO2014094709A2/en
Publication of WO2014094709A3 publication Critical patent/WO2014094709A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Complex Calculations (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

The invention relates to a method for detecting at least two individual signals from at least two output signals, which are formed of at least two source signals, wherein the mixing ratios of at least two source signals on the output signals are determined. The output signals are multiplied by the factors formed from the mixing ratio, and from the output signals, at least two subtraction signals are determined such that from each subtraction signal, a source signal is eliminated. The subtraction signals are Fourier transformed, whereby transformation signals are produced. From the transformation signals, a residual signal is determined. Based on the transformation signals and the residual signal, at least two individual signals are calculated, and the individual signals are transformed by an inverse Fourier transformation.
PCT/DE2013/000788 2012-12-20 2013-12-10 Method for detecting at least two individual signals from at least two output signals WO2014094709A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2015548194A JP6163211B2 (en) 2012-12-20 2013-12-10 Method for calculating at least two individual signals from at least two output signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012025016.9A DE102012025016B3 (en) 2012-12-20 2012-12-20 Method for determining at least two individual signals from at least two output signals
DE102012025016.9 2012-12-20

Publications (2)

Publication Number Publication Date
WO2014094709A2 WO2014094709A2 (en) 2014-06-26
WO2014094709A3 true WO2014094709A3 (en) 2014-08-14

Family

ID=49999650

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2013/000788 WO2014094709A2 (en) 2012-12-20 2013-12-10 Method for detecting at least two individual signals from at least two output signals

Country Status (3)

Country Link
JP (1) JP6163211B2 (en)
DE (1) DE102012025016B3 (en)
WO (1) WO2014094709A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017106048A1 (en) 2017-03-21 2018-09-27 Ask Industries Gmbh Method for generating and outputting a multi-channel acoustic signal
DE102017106022A1 (en) 2017-03-21 2018-09-27 Ask Industries Gmbh A method for outputting an audio signal into an interior via an output device comprising a left and a right output channel
CN110278721B (en) 2018-01-18 2021-10-12 Ask工业有限公司 Method for outputting an audio signal depicting a musical piece into an interior space via an output device
CN111972928B (en) * 2020-08-21 2023-01-24 浙江指云信息技术有限公司 Sleep-aiding pillow with surrounding sound field and adjusting and controlling method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070076902A1 (en) * 2005-09-30 2007-04-05 Aaron Master Method and Apparatus for Removing or Isolating Voice or Instruments on Stereo Recordings
EP1814358A1 (en) * 2004-10-19 2007-08-01 Sony Corporation Audio signal processing device and audio signal processing method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870480A (en) * 1996-07-19 1999-02-09 Lexicon Multichannel active matrix encoder and decoder with maximum lateral separation
JP2009282536A (en) * 2003-05-30 2009-12-03 National Institute Of Advanced Industrial & Technology Method and device for removing known acoustic signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1814358A1 (en) * 2004-10-19 2007-08-01 Sony Corporation Audio signal processing device and audio signal processing method
US20070076902A1 (en) * 2005-09-30 2007-04-05 Aaron Master Method and Apparatus for Removing or Isolating Voice or Instruments on Stereo Recordings

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Resonance in Singing", 1 January 2008, ISBN: 978-0-97-553075-7, article DONALD MILLER: "Pavarotti: King of Second Formant Tuning", pages: 1 - 6, XP055124960 *

Also Published As

Publication number Publication date
JP6163211B2 (en) 2017-07-12
WO2014094709A2 (en) 2014-06-26
DE102012025016B3 (en) 2014-05-08
JP2016504622A (en) 2016-02-12

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