Global Patent Index - EP 2986034 A1

EP 2986034 A1 2016-02-17 - AUDIO SYSTEM EQUALIZATION FOR PORTABLE MEDIA PLAYBACK DEVICES

Title (en)

AUDIO SYSTEM EQUALIZATION FOR PORTABLE MEDIA PLAYBACK DEVICES

Title (de)

TONSYSTEMENTZERRUNG FÜR TRAGBARE MEDIENSPIELER

Title (fr)

SYSTÈME D'ÉGALISATION AUDIO POUR DISPOSITIFS DE LECTURE MULTIMÉDIA PORTABLE

Publication

EP 2986034 A1 (EN)

Application

EP 15178118 A

Priority

  • US 33215910 P
  • EP 11717394 A

Abstract (en)

A method, an apparatus, a system, and logic encoded in a computer-readable storage medium to instruct a processing system to carry out the method. The method includes applying corrective filters directly in a portable media device to correct, e.g., equalize for the overall system comprising the portable media device and the playback system to which it is attached. Also a method of determining the corrective filters by playing back one or more calibration signals on the playback system while recording the resulting sound field on the portable media device.

IPC 8 full level (invention and additional information)

H04S 7/00 (2006.01)

CPC (invention and additional information)

H04S 7/308 (2013.01); H04S 7/301 (2013.01)

Citation (applicant)

US 2010020846 W 20100113

Citation (search report)

Designated contracting state (EPC)

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

DOCDB simple family

WO 2011139502 A1 20111110; CN 102893633 A 20130123; CN 102893633 B 20150415; EP 2567554 A1 20130313; EP 2567554 B1 20160323; EP 2986034 A1 20160217; EP 2986034 B1 20170531; ES 2632576 T3 20170914; HK 1221845 A1 20170609; JP 2013530420 A 20130725; JP 2015180954 A 20151015; JP 2017194703 A 20171026; JP 6377018 B2 20180822