The digital audio recording format is a binary code, and it is only necessary to judge "0" or "1" during playback. ...

In 1906, American DeForrest invented the vacuum triode, which pioneered the human electroacoustic technology. In 1927,...

The sound system is very important, the same equipment is the speaker, the speaker is generally composed of the speaker unit and the box. ...

Audio refers to a set of audio systems that make sounds from a combination of electrical devices....