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Loudness matching

  • US 9,893,696 B2
  • Filed: 11/23/2016
  • Issued: 02/13/2018
  • Est. Priority Date: 07/24/2015
  • Status: Active Grant
First Claim
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1. Tangible, non-transitory computer-readable medium having stored thereon instructions, that when executed by one or more processors, cause a computing device to perform functions comprising:

  • determining a first loudness representation for a playback device, wherein the first loudness representation is based on applying a first equalization setting of the playback device to a representation of average music, wherein the representation of average music comprises a power-frequency dropoff curve;

    determining a second loudness representation for the playback device, wherein the second loudness representation is based on applying a second equalization setting of the playback device to the representation of average music;

    determining a loudness adjustment factor based on the first and second loudness representations; and

    causing the playback device to play back media based on the second equalization setting and the determined loudness adjustment factor.

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