Table 20.
Average execution times for 60 s audio signal with 5438-bit watermark in proposed parallel watermarking and existing systems.
| Implementation environment | Audio watermarking system | |||
|---|---|---|---|---|
| Proposed | 10 | 9 | 19 | |
| PC Intel core i3 2.40 GHz, 6 GB RAM, | 49.2675 | 58.4176 | 37.9481 | 71.3133 |
| PC AMD Ryzen 5 2.30 GHz, 8 GB RAM | 19.6285 | 23.5018 | 10.8438 | 29.1655 |
| Raspberry Pi cluster (4 cores) | 7.6210 | 7.8491 | 5.9706 | 8.4218 |
| Raspberry Pi cluster (8 cores) | 4.0680 | 4.1787 | 3.7922 | 4.5469 |
| Raspberry Pi cluster (16 cores) | 2.3197 | 2.6324 | 1.9572 | 2.9649 |