Echo cancellation improvement device of intelligent sound box

• Main Authors: HU YUNMING, ZHOU BAONING
• Format: Patent
• Language: Chinese; English
• Published: 14.02.2023
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

The utility model relates to the technical field of sound boxes, and discloses an echo cancellation improvement device of an intelligent sound box, which comprises a box body, a loudspeaker arranged on the inner wall of the back surface of the box body, supporting blocks arranged on the inner walls of the two sides of the box body, magnetic attraction blocks arranged at the middle ends of the front surfaces of the supporting blocks, a foam plate arranged on the front surface of a connecting sheet, and silencing holes arranged on the front surface of the foam plate. A connecting frame is arranged at the middle end of the back of the box door; according to the echo cancellation improvement device of the intelligent loudspeaker box, foam plates are installed in the box body through supporting blocks, a plurality of silencing holes are formed in the front face of each foam plate, a loudspeaker is located between the two foam plates, a connecting frame is installed at the middle end of the back face of a box door,