Recording sampling rate

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jherron
Posts: 2
Joined: Wed Sep 21, 2005 2:38 pm

Recording sampling rate

Post by jherron »

Hi,

We are currently recording at 2048Hz and downsampling to either 125 or 167 Hz offline. I notice that you can reduce the recording sampling rate by changing the decimation, but only appear to be able to select one of four sampling rates in the drop-down menu (the lowest of which is still too high for us). Is it at all possible to manually determine the recording sampling rate?

Thanks.

Coen
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Post by Coen »

With a hardware sample-rate of 2048 Hz (speedmodes 0, 4 and 8 ), ActiView supports sample-rates of the data to file of 2048, 1024, 512, and 256 Hz. At 256 Hz sample-rate, the bandwitdh is 67 Hz. Further bandwidth reduction can be achieved by apllying a low-pass filter off-line.

Best regards, Coen (BioSemi)

jherron
Posts: 2
Joined: Wed Sep 21, 2005 2:38 pm

Post by jherron »

Thanks for the quick reply.

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