MP3 vs MP4: audio quality and file sizeĪlthough MP3 applies a form of lossy data compression, the audio quality remains virtually the same.

MP3 is used to store music/audio data and is a standard audio format for music apps, digital audio players, and music streaming sites, while MP4 is used to store video, audio and other data. MP4 can be encoded with different video or audio codec formats, such as video codec H.264, HEVC, VP9, MPEG, audio codec MP3, AAC, FLAC, AC3, to name a few.Īs you can see, MP3 and MP4 are totally different file types. It is a digital multimedia container format which can contain video, audio, still image, subtitles, and text. MP4 is also known as MPEG-4 Part 14 initially released in 2001. What is MP4? MP4 is extended from Apple QuickTime. This audio format is widely accepted because of its simplicity, lack of errors, and computational efficiency.

For the hearing experience of most users, the sound quality of MP3 has no significant degradation compared with the original uncompressed audio. It is designed to greatly reduce the amount of audio data, and achieve the purpose of compressing into smaller files by discarding the parts of PCM audio data that are not important to human hearing.

It is a lossy audio coding format initially released in 1993. What is MP3? MP3 is formally known as MPEG-1 Audio Layer III or MPEG-2 Audio Layer III, extended from MP2. To answer your question - 'what're the differences between MP3 and MP4', we've made a wide range of search and have compiled the major differences in the following section, covering format types, audio quality, features, common misunderstandings, and more. It is a difficult task to tell the difference between two file formats (for example, MP3 and MP4) for non-tech-savvy people. MP3 vs MP4: sound quality and file size.

Mp3 into mp4