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2. CD-R - Wikipedia

   en.wikipedia.org/wiki/CD-R

   Burned CD-Rs suffer from material degradation, just like most writable media. CD-R media have an internal layer of dye used to store data. In a CD-RW disc, the recording layer is made of an alloy of silver and other metals—indium, antimony, and tellurium. [20] In CD-R media, the dye itself can degrade, causing data to become unreadable.

3. Mini CD - Wikipedia

   en.wikipedia.org/wiki/Mini_CD

   Mini CD-R, Mini CD-RW: As of 2020, many manufacturers offer 80 mm CD-R and CD-RW discs for sale in retail electronics and office supply stores. [citation needed] Most of the blank discs available in retail hold either 185 MB (21 minutes) or 210 MB (24 minutes) of data. The mini discs, despite having less weight and plastic, are generally more ...

4. Compact disc - Wikipedia

   en.wikipedia.org/wiki/Compact_disc

   Several other formats were further derived, both pre-pressed and blank user writable, including write-once audio and data storage , rewritable media , Video CD (VCD), Super Video CD (SVCD), Photo CD, Picture CD, Compact Disc-Interactive , Enhanced Music CD, and Super Audio CD (SACD) which may have a CD-DA layer.

5. MiniDisc - Wikipedia

   en.wikipedia.org/wiki/MiniDisc

   Initially, Sony believed that it would take around a decade for CD-R prices to become affordable – the cost of a typical blank CD-R disc was around $12 in 1994 – but CD-R prices fell much more rapidly than envisioned, to the point where CD-R blanks sank below $1 per disc by the late 1990s, compared to at least $2 for the cheapest 80-minute ...

6. Comparison of recording media - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_recording_media

   An extreme example, Todd Rundgren's Initiation LP, with 36 minutes of music on one side, has a "technical note" at the bottom of the inner sleeve: "if the sound does not seem loud enough on your system, try re-recording the music onto tape." The total of around 40–45 minutes often influences the arrangement of tracks, with the preferred ...

7. Optical storage media writing and reading speed - Wikipedia

   en.wikipedia.org/wiki/Optical_storage_media...

   Those 74 minutes come from the maximum playtime that the Red Book (audio CD standard) specifies for a digital audio CD (CD-DA); although now, most recordable CDs can hold 80 minutes worth of data. The DVD and Blu-ray discs hold a higher capacity of data, so reading or writing those discs in the same 74-minute time-frame requires a higher data ...