Audio electronics
One of the principal aims of audio electronics is the true recording and reproduction of sound. Other aspects of audio electronics include the generation of musical sounds, a topic that is dealt with later in the chapter. In describing recording and reproduction we refer only to musical instruments, but most of what is said applies also to speech and song as well as other sounds and noises.
Tape recording
The magnetic tape recorder became available in the late 1940s and soon became very popular. The facility of being able to record at home without requiring additional or expensive equipment was a big factor in its widespread use. The principle of magnetic tape recording is illustrated overleaf. The polyester tape is coated with ...
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