Investigators have several tools to help find the source of the leak, including digital watermarking, the studio said.

调查员有几个工具可以帮助找到泄漏源，包括数字水印，演播室说。

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Applied to the information hidden in the technology there are many, including digital watermarking technology is very common and the better-performing technologies.

虽然运用到信息隐藏中的技术有很多，但是在这些技术中数字水印技术是十分常见并且效果较好的技术之一。

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