Port MR1688 and MR1729 from float
# Basic Info <!--- Remember to add issue and MR links to the status page in wiki here https://forge.3gpp.org/rep/sa4/audio/ivas-basop/-/wikis/IVAS-PC-MR-conversion-status--> - Original merge request in float repo: ivas-codec-pc/ivas-codec!1688 (merged) and ivas-codec-pc/ivas-codec!1729 (merged)
issue