compatible monophonic signal

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• FMeXtra — is an in band on channel digital radio broadcasting technology created by Digital Radio Express. Unlike iBiquity s HD Radio system, it uses any FM radio station s existing equipment and transmitter plant to transmit digital audio data on… …   Wikipedia

• Stereophonic sound — Stereophonic sound, commonly called stereo, is the reproduction of sound, using two or more independent audio channels, through a symmetrical configuration of loudspeakers, in such a way as to create a pleasant and natural impression of sound… …   Wikipedia

• Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …   Wikipedia

• Ringtone — For the Weird Al Yankovic song, see Ringtone (song). For the film, see Ringtone (film). A ringtone or ring tone is the sound made by a telephone to indicate an incoming call or text message. Not literally a tone, the term is most often used today …   Wikipedia

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• TRS connector — 1⁄4 in TRS connector Trip …   Wikipedia

• Quadraphonic sound — 4 channels Quadraphonic label Quadraphonic (or Quadrophonic sometimes Quadrasonic) sound – the most widely used early term for what is now called 4.0 surround sound – uses four channels in which speakers are positioned at the four corners of the… …   Wikipedia

• Monaural — Label for 1.0 sound, mono. Monaural or monophonic sound reproduction (often shortened to mono) is single channel. Typically there is only one microphone, one loudspeaker, or (in the case of headphones and multiple loudspeakers) channels are fed… …   Wikipedia

• In-band on-channel — (IBOC) is a method of transmitting digital radio and analog radio broadcast signals simultaneously on the same frequency.By utilizing additional digital subcarriers or sidebands, digital information is piggybacked on a normal AM or FM analog… …   Wikipedia

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• Compact Cassette — A TDK D C60 cassette, a common speech quality tape with a 60 minute playing time, in a housing similar to that of the original Compact Cassette specification …   Wikipedia