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numtini t1_j9m82a1 wrote

Reply to comment by chris22783 in Today I'm going back to 00s! by LSG4M3R

>Sony's proprietary compression format

All of them used ATRAC, Sony's compression standard. It was initially equal to 80 minutes, which covered exactly what a CD could. Later versions let you go further than the 80 minute limit, but they didn't become common until mp3 had already won that race.

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