ISM4 Binaural Room Reverb Magnitude Mismatch and Signal Distortion at 16kHz

Basic info

• Float reference:
  • Renderer (float): f95498190
• Fixed point:
  • Renderer (fixed): 96b6579c

Bug description

A significant divergence between BASOP and Float was identified during the LTV (Long Test Vector) regression tests for ISM4 at 16kHz with BINAURAL_ROOM_REVERB.

Ways to reproduce

./IVAS_rend -i scripts/testv/ltv16_4ISM.wav -if ISM4 -o out_ism4_16k.wav -of BINAURAL_ROOM_REVERB -fs 16 -no_delay_cmp -im scripts/testv/ltvISM1.csv scripts/testv/ltvISM2.csv scripts/testv/ltvISM3.csv scripts/testv/ltvISM4.csv -render_config scripts/testv/rend_config_combined.cfg -fr 20 -aeid scripts/testv/aeid1.txt