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.A 'digital audio recording device' is any machine or device of a type commonly distributed to individuals for use by individuals, whether or not included with or as part of some other machine or device, the digital recording function of which is designed or marketed for the primary purpose of, and that is capable of, making a digital audio copied recording for private use.A 'digital audio recording medium' is any material object in a form commonly distributed for use by individuals, that is primarily marketed or most commonly used by consumers for the purpose of making digital audio copied recordings by use of a digital audio recording device.No action may be brought under this title alleging infringement of copyright based on the manufacture, importation, or distribution of a digital audio recording device, a digital audio recording medium, an analog recording device, or an analog recording medium, or based on the noncommercial use by a consumer of such a device or medium for making digital musical recordings or analog musical recordings.In fact, the Rio's operation is entirely consistent with the Act's main purpose – the facilitation of personal use. As the Senate Report explains, 'he purpose of is to ensure the right of consumers to make analog or digital audio recordings of copyrighted music for their private, noncommercial use.' S. Rep. 102-294, at *86 (emphasis added). The Act does so through its home taping exemption, see 17 U.S.C. S 1008, which 'protects all noncommercial copying by consumers of digital and analog musical recordings, ' H.R. Rep. 102-873(I), at *59. The Rio merely makes copies in order to render portable, or 'space-shift', those files that already reside on a user's hard drive. Cf. Sony Corp. of America v. Universal City Studios, 464 U.S. 417, 455 (1984) (holding that 'time-shifting' of copyrighted television shows with VCR's constitutes fair use under the Copyright Act, and thus is not an infringement). Such copying is paradigmatic non-commercial personal use entirely consistent with the purposes of the Act. 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 RIAA and music publishers, concerned that consumers' ability to make perfect digital copies of music would destroy the market for audio recordings, had threatened to sue companies and had lobbied Congress to pass legislation imposing mandatory copy protection technology and royalties on devices and media. 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: The Act also includes blanket protection from infringement actions for private, non-commercial analog audio copying, and for digital audio copies made with certain kinds of digital audio recording technology. By the late 1980s, several manufacturers were prepared to introduce read/write digital audio formats to the United States. These new formats were a significant improvement over the newly introduced read-only (at the time) digital format of the compact disc, allowing consumers to make perfect, multi-generation copies of digital audio recordings. Most prominent among these formats was Digital Audio Tape (DAT), followed in the early 1990s by Philips' Digital Compact Cassette (DCC) and Sony's Minidisc. DAT was available as early as 1987 in Japan and Europe, but device manufacturers delayed introducing the format to the United States in the face of opposition from the recording industry. The recording industry, fearing that the ability to make perfect, multi-generation copies would spur widespread copyright infringement and lost sales, had two main points of leverage over device makers. First, consumer electronics manufacturers felt they needed the recording industry's cooperation to induce consumers – many of whom were in the process of replacing their cassettes and records with compact discs – to embrace a new music format. Second, device makers feared a lawsuit for contributory copyright infringement. Despite their strong playing hand, the recording industry failed to convince consumer electronics companies to voluntarily adopt copy restriction technology. The recording industry concurrently sought a legislative solution to the perceived threat posed by perfect multi-generation copies, introducing legislation mandating that device makers incorporate copy protection technology as early as 1987. These efforts were defeated by the consumer electronics industry along with songwriters and music publishers, who rejected any solution that did not compensate copyright owners for lost sales due to home taping. The impasse was broken at a meeting in Athens in 1989, when representatives from the recording industry and the consumer electronics industry reached a compromise intended to enable the sale of DAT recorders in the United States. Device manufacturers agreed to include SCMS in all consumer DAT recorders in order to prevent serial copying. The recording industry would independently pursue legislation requiring royalties on digital audio recording devices and media. A year later the songwriter Sammy Cahn and four music publishers, unhappy with the absence of a royalties provision in the Athens agreement, filed a class action copyright infringement suit against Sony. The plaintiffs sought declaratory and injunctive relief that would have prevented the manufacture, importation or distribution of DAT recorders or media in the United States. The suit brought Sony to heel. In July 1991, Sony, as part of larger agreement between the recording industry and consumer electronics makers, agreed to support legislation creating a royalty scheme for digital media. In exchange, Cahn and the publishers agreed to drop the suit.