Patent attributes
A music reproducing device has a controller configured to perform volume control on audio data; a digital-to-analog (D/A) converter operatively 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; 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; the controller and the D/A converter configured to perform different types of volume control on the audio data, the controller performing all volume control except the volume control related to only the at least one headphone output among the multiple volume control, and the D/A converter performing one or more types of volume control which relate only to the at least one headphone output.

