MASA 2TC Rendering to Mono: Large diff signal < 12 kHz

Basic info

• Float reference:
  • Renderer (float): efe53129c9ed87a5067dd0a8fb9dca41db9c4add
• Fixed point:
  • Renderer (fixed): ac900052

Bug description

For rendering MASA 2TC to mono, there are significant differences below 12 kHz between BASOP and Float:

BASOP:

Float:

Ways to reproduce

IVAS_rend -i ltv48_MASA2TC.wav -im ltv48_MASA2TC.met -if masa2 -of mono -o out.wav