Background music playing terminal and system

• Main Authors: CAI LINGJUAN, LI PENG, LUO YONG, XU TIANCHANG, WU FALI, LIN HAOXIN, FAN TAO, TANG LONG, XIE ZHI'EN, DONG BO
• Format: Patent
• Language: Chinese; English
• Published: 19.06.2020
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS; TELEPHONIC COMMUNICATION

The utility model discloses a background music playing terminal and a background music playing system. The system comprises a playing terminal and a smart phone, wherein the playing terminal comprisesa wired network interface, two microprocessors, two audio decoders, a wireless local area network communication module, a channel switcher, a power amplification circuit and a loudspeaker interface.The input end of the first microprocessor is connected with the wired network interface, and the output end of the first microprocessor is connected with the first audio decoder; the input end of thesecond microprocessor is connected with the wireless local area network communication module, and the output end of the second microprocessor is connected with the second audio decoder; the output endof the first audio decoder is connected with the first input end of the channel switcher, and the output end of the second audio decoder is connected with the second input end of the channel switcher; the output end of the chan