Arvato Digital Services, formerly Sonopress, is the CD and DVD replication business of Bertelsmann AG. Founded in 1958 to supply vinyl for Bertelsmann's music club and music label businesses, Sonopress became the world's second biggest replicator of optical discs (CDs and DVDs).

Reinhard Mohn founded Sonopress GmbH in Gütersloh on April 18, 1958 to produce vinyl records for the Bertelsmann Schallplattenring. Just a few years later, Sonopress was servicing customers outside the Bertelsmann group as well.
1969: Start with the production of compact cassettes.