What is the difference between mp3 and mp4
Difference: 1. MP4 is a video format with video as the basic carrier; MP3 is an audio format with audio as the basic carrier. 2. MP3 is a device used to play mp3 format audio files, while mp4 is a device used to play mp3 format files and mp4 format files. 3. MP3 can only be used to listen to music and has a small storage capacity, while MP4 is different. It can be used to listen to music and watch movies and has a large storage capacity.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
What is MP3?
MP3 is an audio coding format (audio compression technology). Its full name is Moving Picture Experts Group Audio Layer III (Moving Picture Experts Group Audio Layer III), or MP3 for short. It can greatly compress the file size and effectively reduce the amount of audio data, while the sound quality loss is not obvious compared with before;
There are two common audio compression methods, one is lossless compression and the other is It is lossy compression, and audio files in MP3 format are lossy compression (loss of sound quality).
What is MP4?
MP4 is a compression encoding format for video and audio information. Its full name is Moving Picture Experts Group 4, or MP4 for short. For video files in MP4 format, different encoding formats can be used for different files (objects), so as to select the encoding solution that best suits the needs of the scene, thereby controlling the size of the file and the clarity of the video and audio.
The difference between MP3 and MP4
1. Different file formats
mp3 and mp4 are A file format, mp3 is a format of audio files, most common music formats are mp3 format; mp4 file is a format of video files, generally refers to video formats with images and sounds, and the biggest difference between the two It's about video. Files in mp3 format don't have images, but only files in mp4 format have images (videos).
2. Different devices
#mp3 is a device used to play mp3 format audio files, while mp4 is a Device for playing mp3 format files and mp4 format files. The most common mp3 device is paired with headphones to form a "Walkman" that can play songs. The biggest difference between mp4 and mp3 devices is that mp4 has a screen that can be used to play images (videos), while mp3's screen is a digital, Chinese display screen. , images (videos) cannot be played.
#3. Different storage capacity
#MP3 can only listen to songs and has a small storage capacity, but MP4 is different. Play songs and watch movies, large storage capacity.
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Differences: 1. MP4 uses video as the basic carrier and is a video format; MP3 uses audio as the basic carrier and is an audio format. 2. MP3 is a device used to play mp3 format audio files, while mp4 is a device used to play mp3 format files and mp4 format files. 3. MP3 can only be used to listen to music and has a small storage capacity, while MP4 is different. It can be used to listen to music and watch movies and has a large storage capacity.

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