Novel vehicle-mounted multimedia player and implementation method thereof

Abstract

The invention discloses a vehicle-mounted multimedia player which comprises a microphone sound processing module, a multimedia audio and video decoding module, an audio switching module and an audio power amplifier module, wherein the microphone sound processing module is composed of a sound preprocessing circuit, a sound detection circuit, a volume control circuit and a CPU (Central Processing Unit), and the defect that the existing vehicle-mounted multimedia player does not have a microphone sound automatic priority switching function is overcome by the vehicle-mounted multimedia player. According to the novel vehicle-mounted multimedia player provided by the invention, microphone sound can be automatically detected; when a person talks, the sound of multimedia programs is automatically turned off, and the sound of the microphone sound is played; when no person talks, the microphone sound is automatically turned off, and the sound of the multimedia programs is played, so that the person is not disturbed by the multimedia programs during talking; and the whole process is automatically implemented by the player. The novel vehicle-mounted multimedia player has the advantages of practical functions, simplicity, convenience and humanization in operation.

Description

technical field [0001] The invention relates to a vehicle-mounted multimedia player, in particular to a novel vehicle-mounted multimedia player and its realization method. Background technique [0002] In recent years, with the vigorous development of the automobile industry and the advancement of electronic technology, the car multimedia player has been developed rapidly and widely used. Especially in cars with a large number of passengers, such as passenger cars, coaches, buses, and company pick-up cars, multimedia players have become a must-have device in the car. It not only enriches the entertainment and cultural life in the car, relieves the fatigue of people's journey, but also releases useful information, such as social public welfare publicity, and can also be used for product advertising and so on. [0003] However, during the journey, drivers, tour guides or flight attendants often need to remind, inform or explain to passengers. The playback of the multimedia p...

AI Technical Summary

Problems solved by technology

However, the above series of operations are cumbersome, and even the sound adjustment control device of some vehicle-mounted multimedia players may be located in a relatively hidden or non-reachable place, and there is no way to operate it.

In addition, walking to the player in a moving car to turn on / off the sound, or having the driver perform these operations will pose a great risk to safe driving

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