Distorted output with ISM @ 128 kbps

Basic info

• Commit SHA: a29ddb4f
• Platform: tested on MacOS, but expected to be platform-independent

Bug description

The following commands with current main (a29ddb4f) result in a distorted output:

./IVAS_cod -ism 1 NULL 128000 48 sine_1ch_short.wav ivas_cod_ism_out_128.g192
./IVAS_dec MONO 48 ivas_cod_ism_out_128.g192 ivas_cod_ism_out_128.wav

input audio output audio

Ways to reproduce

See above