Filtering scenarios
Notch filter is OFF
Low-pass/Band-pass is ON
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EEG
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EMG
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Notch filter is OFF Low-pass/Band-pass is ON
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The EEG is low-pass filtered, whereas the EMG is band-pass filtered to remove frequency components below approximately 16 Hz. |
| These are real, measured filter curves of the equipment used in the Zurich Sleep Lab. |
©1998 BITS OF SLEEP (Demo) : Human sleep investigation: Signal analysis basics.
