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What does line out interface mean?

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Release: 2023-01-13 00:34:35
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The line out interface outputs the analog signal processed by the sound card to audio equipment such as speakers through the Line Out interface. Most of the sounds output through Lineout cannot control the volume through the machine itself.

What does line out interface mean?

#The operating environment of this article: Windows 7 system, Dell G3 computer.

Line out is to output the analog signal processed by the sound card to audio equipment such as speakers through the Line Out interface.

When Lineout first appeared, it was a transplanted output port of a desktop computer. It was purely for connecting external power amplifiers and other sound amplification devices. Therefore, the original data output by Lineout was not or rarely filtered by the chip, so the sound The fidelity is higher...

But most of the sounds output via Lineout cannot control the volume through the machine itself.

The impedance of the Lineout output is very high, about 300 ohms. If you use low-impedance headphones to connect it, you will feel that the sound is not full, substantial, and lacks elasticity. If you use high-impedance headphones, it will be worse. Full and transparent, although not loud. Generally, the output current is relatively small and will not cause overload.

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