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Table 4 Performance of the IMF-based algorithm after various attacks.

From: Audio Signal Processing Using Time-Frequency Approaches: Coding, Classification, Fingerprinting, and Watermarking

Attacks Average BER Affected Algorithms in StirMark (%)
None 0.00 N/A
HPF (100 Hz) 0.05 A, D
LPF (4 kHz) 0.06 A, C, D
Resampling factor (0.5) 0.04 C, D
Amplitude change ( dB) 0.08 N/A
Parametric equalizer (bass boost) 0.13 A, B, C, D
Noise reduction (hiss removal) 0.02 C, D
MP3 compression 0.08 N/A