Energy missing for FD stereo at 13.2kbps TCX core

Basic info

• Float reference:
  • Encoder (float):
  • Decoder (float):
• Fixed point:
  • Encoder (fixed):0fc0a5c6
  • Decoder (fixed):

Bug description

Energy goes missing on both channel at around 7.17s. Same cores (TCX) are used for both fixed and float. The problem is there on both channel, but more visible and audible on the right.

shown below : the right channel from original, float and fixed point

Ways to reproduce

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

IVAS_cod -stereo 13200  48 am1aa1s12.wav bit

tagging @fotopoulou for awareness