Do DVD players have specific noises or frequencies that make it a DVD playe

By Kibamaru03 ·
Tags: Hardware
I have a very little understanding on this topic. I'm honestly just curious.

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No they do not.

by OH Smeg Moderator In reply to Do DVD players have speci ...

They are a binary Digital device with either a 1 or 0 or if you like Off and On.

They run these signals through a Digital to Analog Converter and then send them out as an Analog Signal so it can be viewed.

The drives as such make no noise of any kind except maybe if there is a Noisy motor in it which could be either the Main Motor that spins the disc or the Stepping Motor that moved the Read Head across the face of the disc.

What makes a DVD Player a DVD Player is the LED Laser generator which emits a specific colour light that reads DVD's. If you want to read a CD that uses a different colour light to decode the signal on the disc and runs that through a Digital to Analog Converter just like a DVD Player does.

The only difference between the two is how densly packed the Binary Code on the disc is and the colour of the Laser that reads them.

That is a very basic explination of the different Disc Systems currently available.

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