It has been reported that on ATM machine with Windows 10 OS and CSP 8.0.x there is a delay in playing a sound when pin pad is used.
The issue occurred after installing the Windows Updates below:
If the is output from the headphone jack, the delay does not occur.
This issue has been observed with ATM from KEBA manufacturer.
The delay was caused by increased number of registry access calls.
Windows 10 IoT
Realtech Audio Sound Card
1. Modify Prevention Policy and add the following registry key to writable resource list in Default Windows Programs and Services def_winsvc_ps sandbox.
2. "Disable" the Audio Enhancement for the Audio Device