Security and Communication Networks

Research Article

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

Table 4

The standard of subjective evaluation.
SDGDescriptionQuality
5.0ImperceptibleExcellent
4.0Imperceptible but not annoyingGood
3.0Slightly annoyingFair
2.0AnnoyingPoor
1.0Very annoyingBad