What Is Dolby Digital Surround?

- Jun 21, 2018-

Dolby Digital Surround claims to be an AC-3 system, with six fully independent channels, full left, right, center, and left surround, plus a subwoofer channel below 120 Hz called 5.1 sound road. This system divides the audio of each channel into a number of suitable narrow frequency bands according to the auditory characteristics of the human ear, and then encodes the noise of different frequencies and encodes the frequency of each signal to completely remove the noise or mask the noise. After the signal was saved, it still gave people a very complete feeling.



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