Control of audio output state based on wireless charging

A wireless charging apparatus, comprising:

• a wireless power transmitter configured to transmit a wireless power signal, the wireless power signal forming a charging region;
• and
• a wireless power receiver having a first audio output module and a second audio output module, the wireless power receiver configured to receive wireless power signal from the wireless power transmitter and perform a charging operation according to the received wireless power signal,
• wherein the wireless power transmitter is further configured to detect the wireless power receiver located in the charging region and output a first control signal for changing an audio output path to the wireless power receiver, the first control signal being included in the wireless power signal, and
• wherein the wireless power receiver is further configured to change the audio output path from the second audio output module to the first audio output module based on the received first control signal,
• wherein the wireless power transmitter is further configured to output a second control signal for changing an audio output path to the wireless power receiver when the wireless power transmitter is not detected, the second control si˜,nal bein˜ included in the wireless power signal, and
• wherein the wireless power receiver is further configured to change the audio output path from the first audio output module to the second audio output module based on the received second control signal.