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Table 2 SNR and ODG comparison for 70 audio clips

From: Reversible audio data hiding algorithm using noncausal prediction of alterable orders

Schemes Average SNR Average ODG Percentage of the best SNR Percentage of the best ODG
Proposed 40.7 −1.24 90 76
Sachnev [22] 33.0 −1.53 7 1
Nishimura [20] 33.9 −1.58 3 16
Noncausal [21] 31.7 −1.61 0 7