What does the term Dolby B or Dolby C printed on tape recorders and other sound systems refer to?
(a) frequency modulated system
(b) amplitude modulated system
(c) noise reduction circuit
(d) both DC and AC power can be used
The correct option is:(c) noise reduction circuit
Explanation:
The term Dolby B or Dolby C printed on tape recorders and other sound systems refer to noise reduction circuit.
