The problem was compression - the process of removing audio data to fit the music into a smaller file.
These employ audio data compression and decompression at each end.
U-matic would also see use for the storage of digital audio data.
Generally set to 000 (unused) or 001 (used for 24-bit audio data).
The recordings are usually audio, video or computer data.
Third, distribution of lossless audio data became easier as the Internet developed.
This can be true of various files including image data, audio data, and computer code.
The audio data could also be stored for later transmission.
These special cameras do not provide audio data.
The same is true for the audio data.