Any problematic discs (usually caused by fingerprints) just get breathed upon and wiped (in a radial direction) with the microfibre cloth that came with my first CD player (a Phillips 104).
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Any problematic discs (usually caused by fingerprints) just get breathed upon and wiped (in a radial direction) with the microfibre cloth that came with my first CD player (a Phillips 104).
Here's a generalism as noted elsewhere by others > a 'device' (eg CD player) that reads either optical (ie CD) or magnetic physical media will use an error correction process for read/write. The read process knows the start and end of what its reading so if there is an error, it will retry a set number of times. After continued failure it will declare it a 'permanent' error and then do something else.
The aim is to preserve the integrity & transfer of a bit(s) so that a 'stream' can be presented to something else.
I'm open minded but cleaning a CD should not have any effect on sound quality since you can't affect the bit ....
My 2cents. I'll get my coat....