What Is Automatic Noise Reduction System?

- Jul 02, 2018-

The basic principle of the automatic noise reduction system is the same as that of the Dolby system, except that the compression-expansion characteristics of the two are different. In the automatic noise reduction system, the encoder adopts an adjustable negative feedback amplifier, and its compression-expansion characteristic is a multiplication and division relationship. The automatic noise reduction system is basically compatible with the Dolby system, but the circuit is continuously adjustable from the Dolby system frequency.

 

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