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Music reproducing device

  • US 9,941,854 B2
  • Filed: 08/10/2016
  • Issued: 04/10/2018
  • Est. Priority Date: 09/01/2015
  • Status: Expired due to Fees
First Claim
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1. A music reproducing device having multiple volume control comprising:

  • a controller configured to perform volume control on audio data;

    a digital-to-analog (D/A) converter arranged within the music reproducing device, the D/A converter electrically coupled to the controller and configured to convert the audio data from digital audio data to analog audio data, and to perform volume control on the audio data on which the controller performed volume control; and

    a plurality of different types of audio outputs, including at least one headphone output for outputting the audio data from the D/A converter to one or more headphones,wherein the controller and the D/A converter are configured to perform different types of volume control on the audio data, the controller being configured to perform one or more types of volume control which relate to each of the plurality of different types of audio outputs, and the D/A converter being configured to perform one or more types of volume control which relate exclusively to the at least one headphone output for outputting the audio data from the D/A converter to the one or more headphones, andwherein the controller is configured to perform all of the different types of volume control on the audio data except the type or types of volume control related exclusively to the at least one headphone output among the multiple volume control and instead performed by the D/A converter.

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