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Table 2 Average authentication results under acceptable audio manipulations

From: Music content authentication based on beat segmentation and fuzzy classification

Manipulation

authRatio

Result

Manipulation (kbps)

authRatio

Result

LP (8 kHz)

1.4584

✓

MP3 (128)

1.4563

✓

LP (4 kHz)

1.4496

✓

MP3 (96)

1.4550

✓

RS (22,050)

1.4023

✓

MP3 (64)

1.4506

✓

RS (16,000)

1.3876

✓

MP3 (48)

1.4450

✓

-

-

-

MP3 (32)

1.4396

✓

  1. LP means low-pass filtering; RS means resampling.