MC 512 decoder with headtracking has high frequency artifacts (issue not seen w/o headtracking)

Basic info

• Float reference:
  • Encoder (float):b63c033f
  • Decoder (float):b63c033f
• Fixed point:
  • Encoder (fixed):
  • Decoder (fixed): 291c48d3

Bug description

Binaural output with float (with headtracking)

Binaural output with fixed point decoder (with headtracking)

Binaural output with fixed point decoder (without headtracking)

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-xxxx

..\IVAS_cod_fl.exe  -mc 7_1_4 512000 48 ../scripts/testv/stv714MC48c.wav bit

..\IVAS_dec_fl.exe -t ../scripts/testv/headrot.csv BINAURAL 48 bit stv714MC48c.wav_MC714_512000_48-48_MC_binaural_ht_fr20_fl_ref.wav

..\IVAS_dec_fx.exe -t ../scripts/testv/headrot.csv BINAURAL 48 bit stv714MC48c.wav_MC714_512000_48-48_MC_binaural_ht_fr20_fx_main.wav  (issue observed here)

..\IVAS_dec_fx.exe  BINAURAL 48 bit stv714MC48c.wav_MC714_512000_48-48_MC_binaural_fr20_fx_main.wav (issue is not observed here)