Difference in core usage in stereo at 16.4kbps

Basic info

• Float reference:
  • Encoder (float): deee9b97
  • Decoder (float):
• Fixed point:
  • Encoder (fixed): d32077e8
  • Decoder (fixed):

Bug description

The fixed point core selection is delayed causing subjective difference. The variable sp_aud_decision2 is the main one deviating and causing the deviation in core coding mode.

maybe related to #1276 (closed)

Ways to reproduce

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

IVAS_cod -stereo 16400 48 in out