High frequency noise on binaural room reverb output for main and main-pc branch

Basic info

• Float reference: float-pc
  • Encoder (float): c10fcf4e
  • Decoder (float):c10fcf4e
• Fixed point: main-pc
  • Encoder (fixed): 8a7bc3f3
  • Decoder (fixed): 8a7bc3f3
• Fixed point: main
  • Encoder (fixed): 4cdfe14b
  • Decoder (fixed):4cdfe14b

Bug description

At 48 kHz, putting a wave file with delayed impulses on each channels, using command hereunder for each branch and zooming on late part of of one BRIR we get the following image. An high frequency noise is present on main and main-pc branchs

for float-pc:

for main:

for main-pc:

zoomed difference between float-pc and main-pc:

Ways to reproduce

dirac_714_48k.wav.zip

./IVAS_rend -i dirac_714_48k.wav -if 7_1_4 -o rend_out_714_hrir_rev.wav -of BINAURAL_ROOM_REVERB -fs 48