1. How long should a CD album be?
2. What are ISRC Codes and where do I obtain them?
4. What's the most you can fit on a side of vinyl?
A CD album should be no more than 79 minutes and 58 seconds.
2. What are ISRC Codes and where do I obtain them?
The ISRC (International Standard Recording Code) is the international identification system for sound recordings
and music video recordings. Each ISRC is a unique and permanent identifier for a specific recording which can be
permanently encoded into a product as its digital fingerprint. Encoded ISRC provide the means to automatically
identify recordings for royalty payments.
www.ppluk.com
www.ifpi.org
4. What's the most you can fit on a side of vinyl?
It always depends on musical content, for instance, a bass heavy track will take up more space
on a
disc than a recording of a string quartet, but here are some general guidelines: See table.
| Format | Loud Level | Average Level |
| 7" 45rpm | For Up to 3 ½ minutes | Up to 4 ½ Minutes |
| 10" 33rpm | Up to 7 Minutes | Up to 9 Minutes |
| 10" 45rpm | Up to 5 ½ Minutes | Up to 7 Minutes |
| 12" 33rpm | Up to 13 Minutes | Up to 15 Minutes |
| 12" 45rpm | Up to 7 ½ Minutes | Up to 9 Minutes |
| Album | Up to 19 Minutes | Up to 22 ½ Minutes |