digitizers and amplifiers for digitizing sound, and for broadcasting the digitized information, and apparatus, namely, digital audio receivers for receiving the broadcast, digitized information and for translating the same into sound; video receivers; audio recorders, namely, digital audio recorders; players, namely, digital audio players; computer programs for encoding and decoding analog and digital signals; juke boxes and vending machines; blank magnetic tapes and discs; prerecorded discs ...