blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP2544466

EP2544466 - Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral subtractor [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  29.11.2013
Database last updated on 02.08.2024
Most recent event   Tooltip23.05.2014Change - inventorpublished on 25.06.2014  [2014/26]
Applicant(s)For all designated states
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Hansastrasse 27c
80686 München / DE
[N/P]
Former [2013/02]For all designated states
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Hansastrasse 27c
80686 München / DE
Inventor(s)01 / Uhle, Christian
Künhoferstr. 7
90489 Nürnberg / DE
02 / Finauer, Stefan
Meindlstrasse 12
81373 München / DE
03 / Gampp, Patrick
Eskilstunastraße 29
91054 Erlangen / DE
04 / Hellmuth, Oliver
Geschwister-Vömel-Weg 60
91052 Erlangen / DE
05 / Stocklmeier, Christian
Ringstraße 9b
91080 Spardorf / DE
06 / Prokein, Peter
Kirchenweg 6
91056 Erlangen / DE
 [2014/26]
Former [2013/02]01 / Uhle, Christian
Künhoferstr. 7
90489 Nürnberg / DE
02 / Finauer, Stefan
Meindlstrasse 12
81373 München / DE
03 / Gampp, Stefan
Eskilstunastraße 29
91054 Erlangen / DE
04 / Hellmuth, Oliver
Geschwister-Vömel-Weg 60
91052 Erlangen / DE
05 / Stocklmeier, Christian
Ringstraße 9b
91080 Spardorf / DE
06 / Prokein, Peter
Kirchenweg 6
91056 Erlangen / DE
Representative(s)Zinkler, Franz, et al
Schoppe, Zimmermann, Stöckeler
Zinkler, Schenk & Partner mbB
Patentanwälte
Radlkoferstrasse 2
81373 München / DE
[N/P]
Former [2013/02]Zinkler, Franz, et al
Schoppe, Zimmermann, Stöckeler & Zinkler
Patentanwälte
Postfach 246
82043 Pullach bei München / DE
Application number, filing date11186719.826.10.2011
[2013/02]
Priority number, dateUS20110504588P05.07.2011         Original published format: US 504588 P
[2013/02]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP2544466
Date:09.01.2013
Language:EN
[2013/02]
Search report(s)(Supplementary) European search report - dispatched on:EP03.04.2012
ClassificationIPC:H04S3/00
[2013/02]
CPC:
H04S1/002 (EP,RU,US); H04S3/00 (KR,RU); H04S1/00 (US);
G10L19/02 (KR); H04S3/002 (EP,RU,US)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2013/02]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:Verfahren und Vorrichtung zur Zerlegung einer Stereoaufzeichnung mittels Frequenzdomänenverarbeitung unter Verwendung eines spektralen Subtrahieres[2013/02]
English:Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral subtractor[2013/02]
French:Procédé et appareil pour décomposer un enregistrement stéréo utilisant le traitement de domaines de fréquence au moyen d'un soustracteur spectral[2013/02]
Examination procedure10.07.2013Application deemed to be withdrawn, date of legal effect  [2014/01]
16.08.2013Despatch of communication that the application is deemed to be withdrawn, reason: examination fee not paid in time  [2014/01]
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[IY]DE19742655  (FRAUNHOFER GES FORSCHUNG [DE]) [I] 1,9-14 * figure 2a * [Y] 2-8;
 [Y]WO0124577  (CREATIVE TECH LTD [US], et al) [Y] 8* figure 4 *;
 [Y]US7970144  (AVENDANO CARLOS [US], et al) [Y] 2-8 * column 10, line 26 - column 12, line 30; figure 9a *
by applicantUS2009080666
 US2010030563
 US2010296672
    - S. BOLL, "Suppression of acoustic noise in speech using spectral subtraction", IEEE TRANS. ON ACCOUSTICS, SPEECH, AND SIGNAL PROCESSING, (1979), vol. 27, no. 2, doi:doi:10.1109/TASSP.1979.1163209, pages 113 - 120, XP000572856

DOI:   http://dx.doi.org/10.1109/TASSP.1979.1163209
    - O. CAPPÉ, "Elimination of the musical noise phenomenon with the Ephraim-Malah noise suppressor", IEEE TRANS. ON SPEECH AND AUDIO PROCESSING, (1994), vol. 2, doi:doi:10.1109/89.279283, pages 345 - 349, XP000575351

DOI:   http://dx.doi.org/10.1109/89.279283
    - C. AVENDANO, J.-M. JOT, "A frequency-domain approach to multi-channel upmix", J. AUDIO ENG. SOC., (2004), vol. 52
    - C. FALLER, "Multiple-loudspeaker playback of stereo signals", J. AUDIO ENG. SOC., (2006), vol. 54, XP040507974
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.