AUDIO CASSETTES OR COMPACT DISCS

Brand Owner Address Description
READALONG PACK RECORDED BOOKS 270 Skipjack Road Prince Frederick MD 20678 AUDIO CASSETTES OR COMPACT DISCS FEATURING SPOKEN WORD (PRE-RECORDED DIGITAL AUDIO) SOLD AS A UNIT WITH CORRESPONDING PRINT BOOKS;READ ALONG PACK;
 

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Technical Examples
  1. A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral mapping data stream. Audio can be played back in stereo and multichannel formats from a conventional stereo signal on compact discs, FM radio, or other stereo or monaural delivery systems. The invention reduces the data rate needed for the transmission of multichannel digital audio.