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Table 2 Statistics of the measured SNRs and ODGs, along with the payload capacities

From: Incorporation of perceptually adaptive QIM with singular value decomposition for blind audio watermarking

Watermarking schemes Specifications SNR ODG Payload (bps)
Adaptive DWT-SVD Reference [22] 23.872 [±2.337] −1.030 [±1.411] 45.56a
SVD-DCT Reference [17] 29.679 [±1.447] −1.053 [±1.563] 43a
LWT-SVD Reference [28] 22.025 [±2.763] −0.400 [±1.036] 170.67a
The proposed scheme DWPT-SVD-adaptive QIM 20.327 [±0.375] −0.037 [±0.182] 139.97
The proposed scheme +Enhancement 1 20.498 [±0.402] −0.034 [±0.180] 139.97
The proposed scheme +Enhancements 1 and 2 20.889 [±0.331] −0.062 [±0.215] 139.97
  1. The data in each cell is interpreted as ‘mean [±standard deviation]’. aThese numbers will drop if the watermarking methods need to allocate extra segments for frame synchronization.