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　　　　Audio (Audio electronics) in a broad sense refers to a device that uses electronic circuit design to convert audio and el

　　　　The conference room can be said to be an office space that is often used. If there is a meeting, it is natural to use con

　　　　It is to amplify various sound signals played by the audio source to push the speaker to produce sound. From a technical

　　　　The components of the audio can be roughly divided into: the audio source (signal source) part, the power amplifier part

　　The concept of time is an invention in the mind of human beings when they know the world. It is not an objective existence,

　　　　Often, the evaluation of sound effects, different people will give very subjective evaluations based on their own feeling