Active noise reduction controller integrating automobile engine noise reduction and road noise reduction

The utility model relates to an active noise reduction controller integrating automobile engine noise reduction and road noise reduction, which comprises a main control chip (1), a CAN (Controller Area Network) communication bus (10), an Ethernet (9) and four paths of A2B buses, wherein the CAN communication bus (10), the Ethernet (9) and the four paths of A2B buses are respectively connected with the main control chip (1); a first path (2) of the A2B bus, a second path (3) of the A2B bus and a third path (4) of the A2B bus are respectively connected with a microphone, a vibration sensor and an audio power amplifier of a vehicle body, a fourth path (5) of the A2B bus is connected with other equipment of the vehicle body, the outside of the Ethernet (9) is connected with vehicle-mounted Ethernet equipment or debugging equipment, and the outside of the CAN communication bus (10) is connected with a whole vehicle CAN network (12). Compared with the prior art, the utility model has the advantages of reduced cost,