TOKYO — TDK Corp. of Japan has reached an agreement with famed Italian opera house La Scala to make digital archives of about 5,000 hours of analog tape.

The project is expected to take about three years to complete. In the venture, TDK will work with analog tape recordings dating back to 1951 that have been held by La Scala’s library. The company will use its expertise in digital recording and CD-Recordable technology and make digital copies that will be archived.

Recordings of operas from masters such as Verdi and Puccini are among the 5,000 hours of tape, as well as performances by singer Maria Callas.

The digital recordings will be stored on CDs.

TDK did not put a price on the agreement, but the company said it will be working with a La Scala foundation and Milan U on the digital archive project.

TDK will make two digital copies of the tapes: one that will go into permanent storage, and another for an accessible archive.

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