| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 24 of 230 | 89% | 6 of 24 | 75% | 9 | 24 | 5 | 50 | 3 | 12 |
| frameAt(int) | | 68% | | 50% | 2 | 3 | 1 | 3 | 0 | 1 |
| SpectrogramHistory(int) | | 78% | | 50% | 1 | 2 | 1 | 9 | 0 | 1 |
| capacity() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| fftSize() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| sampleRate() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| isEmpty() | | 85% | | 50% | 1 | 2 | 0 | 1 | 0 | 1 |
| append(SpectrogramFrame) | | 100% | | 83% | 2 | 7 | 0 | 17 | 0 | 1 |
| snapshot() | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| latest() | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| clear() | | 100% | n/a | 0 | 1 | 0 | 7 | 0 | 1 | |
| size() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| binCount() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |