External renderer has higher LF for MASA2 to HOA

Basic info

• Float reference:
  • Renderer (float): IVAS PC SHA: f4c2831a -> IVAS_rend_ref
• Fixed point:
  • Renderer (fixed): IVAS BASOP SHA: ea9f30af -> IVAS_rend

Bug description

When comparing the latest BASOP IVAS_rend to the one in the IVAS PC repo in #1951 (closed), this test case shows a difference for the high band energy:

tests/renderer/test_renderer.py::test_masa[5ms-MASA2-HOA2]

Spectrum of W-channel - Yellow is BASOP and Red is float

BASOP

IVAS PC float

Ways to reproduce

- Compile execs and rename IVAS PC variant to IVAS_rend_ref

pytest tests/renderer/test_renderer.py::test_masa[5ms-MASA2-HOA2] --create_ref -n 1
pytest tests/renderer/test_renderer.py::test_masa[5ms-MASA2-HOA2] --create_cut -n 1