© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023
V. SubhashQuick Start Guide to FFmpeghttps://doi.org/10.1007/978-1-4842-8701-9_3

3. Formats and Codecs

V. Subhash1  
Chennai, Tamil Nadu, India

An MP3 audio file can be identified by its “.mp3” file extension. Similarly, an MP4 video file can be identified by the “.mp4” extension. The file extensions of multimedia files do not provide any kind of surety about the format. Even the format name is merely a notion. If you need to process audio and video content, you need to go beyond file extensions. You need to be familiar with multimedia concepts such as containers, codecs, encoders, and decoders. In this chapter, you will gain some basic information about ...

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