Stereo CNG during high level mixed music

Basic info

• Float reference:
  • Encoder (float): 6432cc34 (Wed Feb 5 13:17:10 2025)
  • Decoder (float): 6432cc34 (Wed Feb 5 13:17:10 2025)
• Fixed point:
  • Encoder (fixed): 20250131_Ittiam_fixed_point_encoder_release
  • Also present in b8499d44 (Mon Feb 10 11:35:44)

Bug description

Stereo CNG kicks in during high-level signal. Starting at 5.34 and toggling a bit for the rest of the item.

Float

BASOP

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1243

./IVAS_cod -stereo -dtx 24400 48 hotel_input.wav bit.192
./IVAS_dec_ref STEREO 48 bit.192 out.wav