Exposing Speech Transsplicing Forgery with Noise Level Inconsistency

Table 1

Noise estimation for 0 dB.

		8	7	6	5	4	3	2
	5	1.9714	1.7684	1.5395	1.2562	0.8877	0.4256	−0.2804
	4	1.6638	1.4731	1.2296	0.9308	0.5658	0.0819	−0.6422
	3	1.2830	1.0713	0.8185	0.5161	0.1296	−0.3664	−1.0596
	2	0.7330	0.5187	0.2536	−0.0737	−0.4621	−0.9503	−1.5494

The value in bold is used to emphasise that the noise estimation algorithm achieves the best performance when (U, V) is (2, 5).