线的基本知识(Basic knowledge of line).docVIP

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线的基本知识(Basic knowledge of line)

线的基本知识(Basic knowledge of line) Basic knowledge of wire stock AV classification and other lines Audio line is home audio in AV cable (Audio cable) and video line (Vidio cable) . Whether its an audio line or a video line, it can effectively eliminate foreign electromagnetic interference and transmit the signal in the same way. We say it is a high quality line. Mainly by the AV cable connection terminal, wire core (also known as the conductor) and protective layer (plastic and metal woven layer of two kinds of form). The transmission performance of the terminal and the wire core directly affects the effect of signal transmission, and the protection mainly eliminates the interference of external electromagnetic interference, and ensures the smooth and lossless transmission of the signal. (1) the audio line comprises a horn line, an analog audio line, a balance line, a digital optical fiber line and an coaxial line. A, horn line: speaker line is the last link in the audio signal transmission, if the user in order to save money and use a time line that will inevitably lead to naught horn, sound effect. B, analog audio cable: it is a traditional, widely used audio channel for transmitting about two channel audio signals. Generally used in the middle and low audio for the connection between the disc machine and the power amplifier. C, with balanced line analog audio cable, is the transfer of the left and right channel audio signal, but the structure is not the same, so that the transmission of sound effects are not the same, it is transparent, full line analog audio transmission, many wide. The balance line can only be used for the advanced audio set of the circuit. D, digital optical cable and coaxial line: both for dish machine and power amplifier (or decoder) between the transmission of digital audio signals, but the characteristics of different optical fiber transmission; fast, clear, crisp and bright treble; coaxial transmission is full, transparent, bass is sweet and

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