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Sequential execution times of the proposed audio watermarking implemented on a single Raspberry Pi 4B cluster.
| Audio signal with its duration | Execution time (in seconds) | |
|---|---|---|
| Embedding process | Extraction process | |
| Classical (60 s) | 28.2114 | 22.6615 |
| Rap (90 s) | 52.5263 | 47.71793 |
| Jazz (120 s) | 92.7756 | 86.9927 |
| Pop (150 s) | 120.2145 | 115.9767 |
| Rock (180 s) | 181.1722 | 173.6886 |
