by the United States government

“ 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. ”

“ A "manufacturer" is a person who manufactures. (9) A "music publisher" is a person that is authorized to license the reproduction of a particular musical work in a sound recording. (10) A "professional model product" is an audio recording device that is designed, manufactured, marketed, and intended for use by recording professionals in the ordinary course of a lawful business, in accordance with such requirements as the Secretary of Commerce shall establish by regulation. ”

“ The term "serial copying" means the duplication in a digital format of a copyrighted musical work or sound recording from a digital reproduction of a digital musical recording. The term "digital reproduction of a digital musical recording" does not include a digital musical recording as distributed, by authority of the copyright owner, for ultimate sale to consumers. ”