It is mainly composed of memory, display, CPU or decoding DSP. In 1998, Saehan Company introduced the world's first mp3 player MPManF 10, which is actually a small computer with specific functions.
In mp3, the microprocessor is the "brain" of the player, which is used to accept the playback control selected by the user, display the currently played song information on the LCD screen, and then send instructions to the data signal processing chip to make it accurately process the audio signal.
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Player refers to the software that can play video or audio files stored in the form of digital signals, and also refers to electronic equipment products with the function of playing video or audio files, such as mp3 players based on flash memory and iPod based on mobile hard disk. Except for a few waveform files, most players have their own decoders to restore compressed media files, and the players also have a set of frequency conversion and buffering algorithms built in.
In order to improve the extended functions and personalized interface, most players support third-party plug-ins. In the past, the software for playing audio and video has its own characteristics, but now most audio and video players are combined into one.
In its market analysis report, IDC also predicts that other types of media players, such as car media players and Internet radios that can play streaming media, will gradually occupy a place in the market.