803.4 (B) Types of Phonorecords
A sound recording may be submitted to the U.S. Copyright Office in an electronic format by uploading the work to the Office’s electronic registration system. Electronic formats include but are not limited to digital audio files (e.g., .wav, .mp3, .wma).
A digital audio file that is uploaded to the Office’s server in support of an online application is a phonorecord for registration purposes. For more information on digital deposits, see Chapter 1500, Sections 1507.2 and 1508.1.
A sound recording also may be submitted to the U.S. Copyright Office in a hard copy format, either by mail, by courier, or in person. Hard copy formats include but are not limited to:
• Compact discs
• Vinyl records
• Tape formats
• Flash drives