The Audio Filters In Your One
The following filters are provided in your Thinklabs One.
Refer to the Quick Reference if you’d like to change the 2 favorites, currently set
to Filter 1 and Filter 3.
1. 30Hz - 500Hz. Produces strong low frequencies for heart sounds, especially S3.
Bass may be challenging for some third party headphones and other external
devices. An intense version of a Bell mode.
2. 60Hz - 500Hz. Good for heart sounds, especially if Filter 1 bass is too intense
for your tastes. Similar to Bell mode.
3. 80Hz - 500Hz. Good for lung sounds, heart valve clicks, S2 splits. Removes
lower heart sound frequencies. Similar to Diaphragm mode.
4. 100Hz - 1000Hz. Good for lung sounds. Filters out lower frequencies and
vibrations. Provides more high frequencies for lung sounds than Filter 3, but this
will also increase ambient sound slightly.
5. 20Hz - 2000Hz +/-3dB. Wideband mode, very sensitive. Intended for capturing
professional research/academic recordings. Also great for listening if you can
handle the sensivitity or you tend to listen at lower volumes.
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