Parameterization of LSB in Self-Recovery Speech Watermarking Framework in Big Data Mining

Table 3

The SNR of watermarked and recovered signal.

SNR (dB)	LSB = 8	LSB = 7	LSB = 6	LSB = 5	LSB = 4	LSB = 3
Watermark	29.9407	35.6731	43.4935	48.1025	53.6022	59.9497
Tampered; rate (%)
5	27.9201	29.3410	33.7328	32.1921	22.5146	10.6607
10	20.9200	21.8606	24.6679	23.6509	19.6991	9.6582
15	14.6268	19.1903	17.9543	15.5811	13.6571	8.0125
20	10.9552	11.5015	13.1581	12.0458	13.2171	6.4483
25	8.6504	8.4837	8.6717	7.8364	8.0430	5.1675
30	7.6440	6.7256	7.0462	6.9904	7.1732	4.6055
35	4.4040	4.5564	4.5645	5.0154	4.4516	3.4517
40	3.2233	3.1574	3.0861	3.1238	3.2030	2.5935
45	2.4254	2.6394	2.4341	2.4978	2.5310	2.0356
50	2.1907	2.2027	2.3016	2.2885	2.2553	1.9224