Multifunctional external playback system

• Main Author: LU PEI
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2022
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS; STEREOPHONIC SYSTEMS

The utility model is suitable for the field of external playback, and provides a multifunctional external playback system, which comprises a first receiving module used for receiving optical fiber signals, coaxial cable signals, high-definition multimedia signals and USB (Universal Serial Bus) signals, a second receiving module used for receiving analog signals and Bluetooth signals, and a third receiving module used for receiving optical fiber signals, coaxial cable signals, high-definition multimedia signals and USB signals. The system comprises a first receiving module, a second receiving module, a first change-over switch connected with the first receiving module and the second receiving module, a digital wireless audio transmitting module connected with the first change-over switch, a playing unit connected with the digital wireless audio transmitting module, a digital audio chip connected with the first change-over switch, and an audio receiving module connected with the digital audio chip. And the audi