Unverified50% confidenceSolutionExact time
二次传输（将合成音视频用真设备重新录制一遍）会覆盖掉频谱指纹和微血管信号，从而绕过AI鉴定手段
1
Sources
50%
Confidence
Long-term
Relevance
7/18/2026
First Seen
Sources
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