You should here the words "front, left, right, top, rear" from the anounced direction. Use the binaural preset ICSA2015_LigetiHall_AllRAD_o5_binaural.config with the binaural Ambisonics decoder from Ambix for correct response with room acoustics.
Additional Resources for the Contribution
material for tests of ambisonics decoder
Unpack to a proper path and choose within the ambisonics o5 decoder from Ambix Suite "open preset file" for the Ambix Plugin Suite (see http://www.matthiaskronlachner.com/?p=2015 )
Reaper TestProject for Reaper with ambiX plugins including the Ligeti Hall Binaural Simulation (maybe on headphones reverb is stronger than real experienced)