CS-SPT: Secure and Packet Loss-Resilient Audio Transmission Based on Compressive Sensing

Table 2

Correlation coefficients of the adjacent points in the original signal and the cipher signal.

Model	Correlation coefficient
	A11_0.wav	A11_1.wav	A11_11.wav	A11_12.wav
Original	0.9391	0.8948	0.9142	0.9615
CS-I	0.0275	0.0237	0.0242	0.0256
CS-PT	0.0297	0.0253	0.0296	0.0281
CS-SPT	0.0016	0.0106	0.0065	0.0052