Hello,
Attached you find a DC-Offset Compensation block for your PurePath Studio. The design takes into account that high pass biquad filter do not really block DC on low cutoff frequencies. I hope you find it useful or at least inspiring.
Regards
Guenther
5355.DC_OffsetCompensation.zip
PS: The eample was tested on TLV320AIC3120EMV with 8000 sps