Normally MIDI files are not processed directly by other programs such as audio converters, music editors, or CD burners.

通常的MIDI文件不直接处理如音频转换器，音乐编辑器，或CD刻录机的其他程序。

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The figure is now about 60%, and costs have dropped—the result of efforts to develop better laser printers, CD burners and even hair-removal devices.

现在这个数字已经变成了约60%，而且成本也降低了——这是为了发明更好的激光打印机，CD刻录机甚至脱毛工具而不断努力的结果。

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They also pointed out that legal devices such as CD burners and MP3 players could be used for copyright infringement as well as for lawful purposes.

ECONOMIST: Online pirates forced to walk the plank