Low-frequency artifacts in 3 ISM fx enc at 32kbps

Basic info

• Float reference:77d9fdad
• Fixed point: c0489658

Bug description

For fx enc -> flt dec and fx full chain, there were low-frequency artifacts observed in 3ISM at 32kbps for an item selectec for P800-10:

Float:

Fx:

This extra click-looking thing is actually not audible, but the two marked low-frequency plops are.

Ways to reproduce

Box folder: issues/basop-issue-2015

IVAS_cod_fx -ism 3 cat1_concatenated.wav.0.csv cat1_concatenated.wav.1.csv cat1_concatenated.wav.2.csv 32000 48 cat1_concatenated.wav bit
IVAS_dec_fx BINAURAL 48 bit out.wav