OSBA Object Editing: Large differences between BASOP and Float

Basic info

  • Float reference:
    • Encoder (float): 3ce1cf5f6964b3549283acaea54376a9bb54762a
    • Decoder (float): 3ce1cf5f6964b3549283acaea54376a9bb54762a
  • Fixed point:
    • Encoder (fixed): n/a
    • Decoder (fixed): b0d052d7

Bug description

For OSBA (discrete objects) decoding with object editing, there are relatively large differences between BASOP and Float. The diffs are significantly smaller when disabling object editing.

Diff BASOP - Float incl. object editing:

Bildschirmfoto 2026-03-06 um 12.36.56.png

Diffs BASOP - Float w/o object editing:

Bildschirmfoto 2026-03-06 um 12.37.06.png

Ways to reproduce

Bitstream:

bit_256kbps.zip

IVAS_dec -obj_edit ivas-codec/scripts/object_edit/combined_edit.txt BINAURAL 48 bit_256kbps.192 out.wav