There are thousands of types of file. They all contain data as a long sequence of numbers, and how those numbers are interpreted depends on the type of file - text characters, floating point numbers, pixel colour information or compressed data
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- 3 yr. ago
Depends on the file format. There is compressed and uncompressed audio - some times the numbers just represent the audio waveform (e.g. .wav) - some times with lossy lossless compression. Most, but not all, video formats are compressed due to the data size