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For example: all of the following are "phonorecords" under the law: A wire recording; a 16-rpm, 33-rpm, 45-rpm or 78-rpm phonograph record (vinyl disc), a reel-to-reel tape, an 8-track tape, a compact cassette tape, a compact disc, an audio DVD, and an MP3 file stored on a computer, compact disc or USB flash drive.
A phonograph record (also known as a gramophone record, especially in British English) or a vinyl record (for later varieties only) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove. The groove usually starts near the outside edge and ends near the center of the disc.
The record featured two songs on the first side, and an etching of the album's promotional logo (a coiled centipede) on the second side. [citation needed] The Seeburg 1000 background music system (1959 to mid-1980s) used 9-inch, 16-rpm records with an unusual 2-inch center hole. Each record had a capacity of about 40 minutes per side. [citation ...
The flexi disc (also known as a phonosheet, Sonosheet or Soundsheet, a trademark) is a phonograph record made of a thin, flexible vinyl sheet with a molded-in spiral stylus groove, and is designed to be playable on a normal phonograph turntable. Flexible records were commercially introduced as the Eva-tone Soundsheet in 1962.
Acetates are usually made by dubbing from a master recording in another medium, such as magnetic tape.In the vinyl record manufacturing process, a lacquer master disc is cut and electroforming is used to make negative metal molds from it; certain molds are converted into stampers, can be used to press thousands of vinyl copies of the master.
A transcription disc is a special phonograph record intended for, or recorded from, a radio broadcast. Sometimes called a broadcast transcription or radio transcription or nicknamed a platter , it is also sometimes just referred to as an electrical transcription , usually abbreviated to E.T. among radio professionals.
In the case of reproductions of works specified in subsection (n) of section 5 of this title ["Sound recordings"], the notice shall consist of the symbol ℗, (the letter P in a circle), the year of first publication of the sound recording, and the name of the owner of copy right in the sound recording, or an abbreviation by which the name can ...
Accordingly, copy positives, required to replace worn positives, were made from unused early stampers. These were known as copy shells, and were the physical equivalent of the first positive. The "pedigree" of any record can be traced through the positive/stamper identities used, by reading the lettering found on the record run-out area.