Magnetic Recording

Have you ever wondered how a whole album of your favorite music got onto one of those little cassette tapes? Or, what about computer floppy disks; have you ever wondered how they can hold 180 or more pages of typed text? The answer to both of these questions is magnetic recordingMagnetic recording devices seldom get much attention until they fail to work. But without magnetic recording, recording your favorite television show...

1. The voice or music is fed into microphones 2. Converted to electrical current and amplified as with disc recording. 3. The signal is then fed into an electromagnet called the recording head. Electric current passes through the coil of a magnetic head.4. When the magnetic fields get to the head gap, some of them spread outside the core to form a fringing field.5. When a recording medium is passed through this fringing field,...

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 mediumA material that has...

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