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The frequencies corresponding to different levels of decomposition for Daubechies-4 (DB4) filter wavelet with a sampling frequency of 200 Hz.
| Level | Frequency Range of the Detail (Hz) | Frequency Range of the Approximation (Hz) |
|---|---|---|
| 1 | 50–100 | 0–50 |
| 2 | 25–50 | 0–25 |
| 3 | 12.5–25 | 0–12.5 |
| 4 | 6.25–12.5 | 0–6.25 |
| 5 | 3.125–6.25 | 0–3.125 |
