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Helike 1.0 UA-E3010 | User manual
Released in November 2020, updated in June 2022
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Figure 20: Copying filter coefficients from the earlevel tool to Helike 1.0 UA-E3010
configuration file
After copying the coefficients, the Helike 1.0 UA-E3010 configuration file should look as shown in Figure
21.
Figure 21: Low pass coefficients in Helike 1.0 UA-E3010 configuration file
This procedure can be repeated to add additional filters. For example, high pass filter coefficients could be
added in the consequent line to obtain a bandpass behavior.
11.3.4.
CONVERT TO .BIN AND COPY TO MICROSD CARD
Use the .json to .bson file converter described in section 8.4 to generate a .bin file. Name the file according to
the desired configuration slot and copy it onto the MicroSD card. Then select the storage slot via the DIP
switches and restart Helike 1.0 UA-E3010. The filter is now loaded and applied to the audio signal.