Exposing Speech Transsplicing Forgery with Noise Level Inconsistency

Table 2

Noise estimation for 5 dB.

		8	7	6	5	4	3	2
	5	7.0750	6.8253	6.5178	6.1066	5.5315	4.7870	3.5437
	4	6.6826	6.4245	6.0547	5.5989	5.0011	4.1934	2.8933
	3	6.1350	5.8040	5.4229	4.9272	4.2658	3.4006	2.1375
	2	5.2449	4.9374	4.4928	3.8981	3.1890	2.3344	1.2947

The value in bold type is used to emphasise that the noise estimation algorithm achieves the best performance when (U, V) is (4, 4).