Audio playing system and notebook computer applied

Abstract

An audio playing system and its applied notebook computer are disclosed, the system includes a notebook computer and a portable play device. The notebook computer includes a main memory which is used to store the audio file; a battery; a digital interface which can supply power; a central processing unit; a bus controller which controls the current of the battery of the notebook computer and the flow of the main memory data; a micro program control unit which starts when the central processing unit is in closing state, and controls the reading and writing of the main memory and calculation process; when the portable play device is connected with the notebook computer, the micro program control unit can gain and play the audio file stored in the main memory. The invention supplies power to the portable play device by battery of the notebook computer, and controls the playing of the audio file stored in the main memory by the portable play device, so it can play music for a long time and provide more choice for user.

Description

【Technical field】 [0001] The invention relates to an audio playback system, in particular to a system for playing audio files stored in a notebook computer through a portable playback device and the notebook computer used therein. 【Background technique】 [0002] With the development of science and technology and the continuous improvement of people's living standards, notebook computers and portable playback devices are becoming more and more popular, and users generally have and carry notebook computers and portable playback devices when they go out. And the storage capacity of portable playback device is less, can not provide the space of more audio frequency selection, and the battery capacity of portable playback device is less, can not support the use of long time; Notebook computer has large storage capacity and larger battery capacity, but When the notebook computer is only playing music, the entire notebook computer must be turned on, and the battery capacity of the ...

AI Technical Summary

Problems solved by technology

And the storage capacity of portable playback device is less, can not provide the space of more audio frequency selection, and the battery capacity of portable playback device is less, can not support the use of long time; Notebook computer has large storage capacity and larger battery capacity, but When the laptop is only playing music, the entire laptop must be turned on, and the battery capacity of the laptop cannot support long-term use

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