The trick is to build a simple geometric “model” of your head based on 3 measurements, see example below.
The X-Talk filter is then built considering:
- the room/speakers response measured with REW, correcting tone and phase for direct field and tone of the reverberated field (already taken in to consideration in current HAF version)
- the distance of your head to the speakers and between speakers (already in current HAF version)
- your head shape (“generic” head in current HAF version, “personalised head” in the new Beta version).
The new Beta version is to my experience as good as the previous one at the sweet spot, slightly better on most “acoustic” recordings, and mind-blowing on some recordings with high binaural content. It’s getting into the direction of what can be achieved with BACCH filtering (except that the price is between 30 to 300 cheaper depending on the version of BACCH you choose, and it’s far easier to implement).
