Audio device, audio system, and volume value control method
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United States of America Patent
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Oct 22, 2019
Grant Date -
Feb 16, 2017
app pub date -
Apr 14, 2015
filing date -
Apr 14, 2014
priority date (Note) -
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Abstract
An audio device includes an amplifier having a volume control circuit, a communication circuit configured to communicate with a host apparatus, a processor, and a memory having stored thereon instructions executable by the processor to cause the audio device to perform: setting a volume value in the volume control circuit; receiving, from the host apparatus through the communication circuit, an instruction value indicating a volume value to be set in the volume control circuit; comparing the received instruction value with a set value that is a volume value set in the volume control circuit; and sending an instruction signal based on a comparison result to the host apparatus through the communication circuit.
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