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This depends solely on quality of the music.

For high quality music you can count on approx 1 Mega Byte per minute of music.

2 GigaByte equals 2.000 MegaBytes equals 2.000 minutes equals 33,33 hours.

If choosing lower quality music, then you can easily gain another 20 hours of listening time.

If choosing very high quality music, then you will get less than 33 hours.

Quality is commonly considered as bits per second.

MP3 can be as low as 8 kbit per second and up to 320 kbit per second.

This makes 1kiloByte per second and up to 40 kiloByte per second.

We have 2 channels of sound (Left and Right as in Stereo) so these figures need to be doubled.

If choosing highest quality Stereo sound, that makes 80 KiloByte per second.

That makes 4,8 MegaByte per minute.

Given 2 Gig storage-space we will only have approx 417 minutes of Audio. Almost 7 hours.

Still considerably more than the old Walk-Man that used tapes of 60, 90 and in some cases 120 min.

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15y ago

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