| Vehicle-mounted multimedia system is a collection of vehicle information system,vehicle navigation system,vehicle communication system,and car audio broadcast system for the integration of multi-function equipment.After decades of development,car multimedia system is getting more and more complete,and the direction of more intelligent,humane.Vehicle-mounted music playing system is an integral part of vehicle-mounted multimedia system.Although it has developed for a very long time,the vehicle-mounted music playing system remains the lasting vitality,thanks to the music,which is one of the universal art,and the continuous development of vehicle-mounted system.Vehicle-mounted music playing system,or more generally referred to as the stereo system,develops gradually from the initial mono to stereo,surround sound,from the initial simple radio function modules to supporting all kinds of audio media playback system,in bring shock of sound at the same time,consumers also brought more fun.As people's life quality improving,people pay more attention to the high quality standard of living.There will be both opportunities and challenges for automotive music system.The famous music service company Gracenote imposed licensing restrictions timely introduced a new technology applied in automotive embedded devices,from accurating music recognition technology to providing rich music metadata,the multimedia information service of the world's most prestigious areas into the car,bringing better music experience for users.This paper discusses the Gracenote imposed licensing restrictions based vehicle music play the whole process of the design and implementation of management system.Main contents include the research of core technology in the design of system,the overall design of the system and the implementation scheme,each function module design,development and testing solutions,as well as to the follow-up work direction and the prospects of future development. |
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