Discussion:
[Shimmer-users] Multi Sync Filters
David Costa
2014-05-11 17:21:03 UTC
Permalink
Hi all,
I have doubts on how to fill correctly the filter data. I have been reading
some papers and articles and I want to apply some of the filters I saw for
example:

“were filtered with a 2-pole Butterworth filter with a high-pass corner
frequency at 1 Hz (12 db/oct) to allow for the full spectral content"

However I don't know where I should put the values and what values. Should
I put on the fpass1 = 0 and fstop1 = 1?

Other examples:

“The choice of selecting the high-pass filter corner frequency is
application and muscle dependant. For applications involving isometric
contractions or natural and common movements, such as non-spastic gait
measurements, the recommended corner
frequency is 20 Hz..."
Where should I put this value on the Multi shimmer Sync app?

Thanks for your help!
Best, David Costa

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