The Audio Home Recording Act of 1992 (AHRA) amended the United States copyright law by adding Chapter 10, "Digital Audio Recording Devices and Media". The act enabled the release of recordable digital formats such as Sony and Philips' Digital Audio Tape without fear of contributory infringement lawsuits. The AHRA establishes a number of important precedents in US copyright law that defined the debate between device makers and the content industry for the ensuing two decades. These include: