·詳細(xì)說(shuō)明：ATMEL公司at89c51SND1為主控制器mp3源代碼，包括三星flash U盤的實(shí)現(xiàn)，音樂(lè)解碼等，有許多借鑒之處。ATMEL Corporation at89c51SND1 primarily controller mp3 source code, including Tristar flash U plate realization, MUSIc decoding and so
Automotive power systems are unforgiving electronicenvironments. Transients to 90V can occur when thenominal voltage range is 10V to 15V (ISO7637), along withbattery reversal in some cases. It’s fairly straightforwardto build automotive electronics around this system, butincreasingly end users want to operate portable electronics,such as GPS systems or MUSIc/video players,and to charge their Li-Ion batteries from the automotivebattery. To do so requires a compact, robust, effi cientand easy-to-design charging system
介紹一種多功能音樂(lè)播放器，它是以AT89S52單片機(jī)為核心，并輔有一些外圍器件，采用匯編語(yǔ)言編寫程序，實(shí)現(xiàn)多功能音樂(lè)播放，歌曲自動(dòng)循環(huán)播放和使用琴鍵自編曲目功能。此外，彩燈顯示歌曲節(jié)奏，按鍵跳轉(zhuǎn)到喜愛(ài)曲目，液晶顯示當(dāng)前播英文曲目。并給出了系統(tǒng)軟硬件設(shè)計(jì)。
Abstract:
It introduces a multifunctional MUSIc player,taking AT89S52 single-chip microcomputer as hardware control core and using some peripheral elements.Programmes are compiled in assembly language to act as expected.There are two functional modes in this system.One is to make the MUSIc play automatically and consecutively,the other is to compose new songs through keys.In addition,lights show the pace of MUSIc and the English names can be displayed in the liquid crystal screen.With perfect combination of hardware and software,the MUSIc player can meet many MUSIc lovers’needs for multifunctional MUSIc player.And the hardware and software of the system are given.
Abstract: When people want portable MUSIc, they usually rely on battery-powered audio devices. With a bit of engineeringblood (or curiosity) running in your veins, it is not difficult to build a wireless Bluetooth® stereo audio system that can becontrolled with any device that has a Bluetooth connection and a MUSIc player
MP3 portable players are the trend in MUSIc-listening technology. These players do not includeany mechanical movements, thereby making them ideal for listening to MUSIc during any type ofactivity. MP3 is a digital compression technique based on MPEG Layer 3 which stores MUSIc ina lot less space than current CD technology. Software is readily available to create MP3 filesfrom an existing CD, and the user can then download these files into a portable MP3 player tobe enjoyed in almost any environment.
