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Digital multi-functional integral synchronous audio playing system

An audio playback and multi-functional technology, applied in the transmission system, digital storage information, static storage, etc., can solve the problem that MP3 playback equipment cannot realize automatic playback, etc.

Inactive Publication Date: 2009-09-16
崔华平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the utility model is:

Method used

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  • Digital multi-functional integral synchronous audio playing system
  • Digital multi-functional integral synchronous audio playing system
  • Digital multi-functional integral synchronous audio playing system

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Experimental program
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Embodiment Construction

[0015] Such as Figure 1 As shown, the digital multifunctional integrated synchronous audio playback system is composed of a playback controller, SD memory card, timing circuit, speaker and power supply. The device is built into a housing. Figure II The LCD device is composed of an LCD screen and a liquid crystal screen control circuit board. The main control MCU is controlled by SH69P56, which is composed of LCD driver and real-time clock circuit. MP3 controller consists of M05-MP3 development board and SD card. The timer consists of a timing control program and a control circuit. The power supply is composed of a power-down detection and charging circuit and a switching power supply. The wireless receiving module is designed by ARM9 platform single-chip embedded system, and is composed of GRRS / CDMA / WI / FI communication module. The system software is composed of main control module, playback module, timing module, card reading module, power detection module, keyboard pro...

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Abstract

A digital multi-functional integral synchronous audio playing system is independently formed by an MP3 integral automatic playing system or formed by an MP3 integral synchronous transmitter and an MP3 integral synchronous receiver; the digital multi-functional integral synchronous audio playing system is characterized in that the MP3 integral player, the MP3 integral synchronous transmitter and the MP3 integral synchronous receiver all consist of an MP3 player, an SD card and a timer; the MP3 integral synchronous transmitter is also internally provided with a wireless information receiver; and the wireless information receiver of the MP3 integral synchronous receiver coordinates the work so as to realize the synchronous playing of the system.

Description

Technical field: [0001] The utility model relates to an electronic product, in particular to an audio-visual product, in particular to a digital multifunctional integrated synchronous audio playback system. Background technique: [0002] In the prior art, an MP3 playback device is composed of an MP3 decoder chip, NAND FLASH, a power supply and other necessary peripheral circuits. After the power is turned on, manually press the "play" button to output the digital signal in the FLASH after D / A conversion, and play it through earphones or external audio equipment. There is following defective in prior art: [0003] 1. The current MP3 playback equipment cannot realize automatic playback, and needs to rely on external control signals. [0004] 2. The current playback system composed of multiple MP3 devices cannot realize synchronous playback without line connection. [0005] 3. The playing files in the MP3 player cannot be updated remotely, and the remote wireless content upd...

Claims

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Application Information

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IPC IPC(8): G11C7/16H04L29/08
Inventor 崔华平
Owner 崔华平