WHAT IS MAGNETIC RECORDING ?

Magnetic recording is the recording of electrical signals by changing the magnetization such as on tape, wire and disc..

Pre-equisit Operational of Magnetic Recording

Posted by bac_production Saturday, April 24, 2010

In order to see the magnetic recording works, we need three things:

1. An input signal.
This input signal can come from microphone or from our original voice that is capable to produce a recordable signal.There are two types of input.First is the input signal that can be recorded simultaneously and second is the input signal that must be processed first (in case it is weak or out of frequency range) 2. Recording medium
A material that has the ability to become magnetized such as magnetic disk, hard disk and tape.




3. A magnetic head
Magnetic heads are the heart of the magnetic recording process. They are the transducers that convert the electrical variations of input signal into the magnetic variations that are stored on a recording medium.

There are three processes that are included in magnetic recording.

  • First, transfer or record the signal information onto the recording medium.
  • Second, recover or reproduce the signal information from the recording medium.
  • Lastly, remove or erase the signal information from the recording medium.

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