(19)
(11) EP 2 696 599 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.03.2015 Bulletin 2015/11

(43) Date of publication A2:
12.02.2014 Bulletin 2014/07

(21) Application number: 13178787.1

(22) Date of filing: 31.07.2013
(51) International Patent Classification (IPC): 
H04R 25/00(2006.01)
(84) Designated Contracting States:
AL 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
Designated Extension States:
BA ME

(30) Priority: 07.08.2012 US 201213568618

(71) Applicant: Starkey Laboratories, Inc.
Eden Prairie, MN 55344 (US)

(72) Inventors:
  • Strelcyk, Olaf
    Oakland, CA 94609 (US)
  • Edwards, Brent
    San Francisco, CA 94122 (US)

(74) Representative: Maury, Richard Philip 
Marks & Clerk LLP 90 Long Acre
London WC2E 9RA
London WC2E 9RA (GB)

   


(54) Compression of spaced sources for hearing assistance devices


(57) This application relates to a system for compression and mixing for hearing assistance devices by application of compression to individual sound sources before applying a head-related transfer function (HRTF) to prevent compression and cross modulation of interaural-level-difference (ILD) cues for localization, according to one example. Variations of the present system use coordinated compression to left and right individual source signals after application of HRTFs.







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