1. High signal-to-noise ratioThe digital audio recording form is binary code, and only needs to judge "0" or "
1. Sound source equipment (DVD, CD, MP3, MP4, computer, mobile phone, microphone and other sound source output equipment);2.
TubeIn 1906, American DeForest invented the vacuum triode, creating a precedent for human electroacoustic technology. In 1927
In 1915, there was an American named E. S. Electroacoustics was born when Pridham put a contemporary telephone receiver on a
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