2018-01-27 15:08 GMT+01:00 Martin Wahnschaffe <wahnschaffe at gmail.com>: > I changed the BLKSIZE constant to 512 and it still didn't work with XAudio. Good that you tested this! (Sorry if I already asked:) Is the issue also reproducible with WMP or only with "XAudio"? Thank you, Carl Eugen