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These format and codec variations depend on choices from the companies that develop the software that run the files. In this case, the solution would be to use other software to read the file or perform a conversion (new encoding), which can be performed in video editors.
This situation may indicate that the codecs used were different. This information is valid so you don’t get lost if you don’t understand why the software you usually use to play your *.m4a files suddenly refuses so play another one with same extension, for example. These extensions get mixed up, but the important thing to know is that, just like videos, files with the same type of extension don’t always have the same codec and vice versa. ), which usually tells us how the file was encoded, or its codec.įor example, a file in MP3 format has a *.mp3 extension and MPEG-1 Audio Layer III codec. In a simple explanation, format is merely the type of file, identified in its extension ( *.mp3, *.wav, *.ogg, *.wma, etc. When referring to audio files we use terms such as formats, extensions and codecs.
Formats, extensions, and codecs: What do they mean? Compression rate: What is its relationship with audio quality? Amplitude bit depth: 16 bits or 24 bits? Sample rate: What does this value tell us? Formats, extensions, and codecs: What do they mean?