Remaster (verb)

To create a new master recording of an existing musical work or soundtrack, usually with improved sound quality and/or with additional or different features.

Origin:

Derived from the prefix 're-' meaning again, and the word 'master' meaning to bring to the highest degree of skill or mastery. first recorded usage was in the mid 19th century.

Examples:

1. The remastered version of the album features previously unreleased tracks.
2. The film's sound was remastered to match the latest technology.
3. The old recordings were remastered to bring out the best in the sound quality.
4. The remastered DVD includes an alternate ending and deleted scenes.
5. The remastered version of the classic novel was published for its 50th anniversary.