Q: How many 5.1 surround sound options exist in LaserDiscs?
A: Many 1990s A/V receivers combine the AC-3 decoder and DTS decoder logic, but an integrated AC-3 demodulator is rare both in LaserDisc players and in later A/V receivers.
Does the answer correctly answer the question

OPTIONS:
[1]. yes.
[2]. no.
[2].