This is a sound came to through the Morse code decoder decoding a text, no additional hardware, you only need a computer with a sound card and a receiver.

这是一个把通过声卡传来的摩尔斯式电码代码解码成文字的解码器，无需额外硬件，你只需要一台带声卡的计算机和一台接收机。

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Licensed broadcasters encrypt satellite signals, with subscribers needing a decoder card to access them.

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It reads DVD- and CD-ROMs, and its MPEG decoder interface connected seamlessly to the ATI video card.

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