Switching artifact worse in rate switching selection test MASA item with float end to BASOP dec

Basic info

• Float reference:
  • Encoder (float): db364042
  • Decoder (float): db364042
• Fixed point:
  • Encoder (fixed): f1458362
  • Decoder (fixed): f1458362

Bug description

Specifically with float encoder to BASOP decoder, this rate switching case has a severely emphasized switching artifact towards the end of the file. See figure below.

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1768

Files are in Box folder

IVAS_cod -masa 2 BASOP_Selection_P800-9a_cat4.met -max_band swb generic_start_13k2_20frames.bin 48 BASOP_Selection_P800-9a_cat4.wav test_2417.bs
IVAS_dec BINAURAL 48 test_2417.bs 2417_BASOP_Selection_P800-9a_cat4.wav_generic_start_13k2_20frames_48-48___BINAURAL.wav