Skip to content

ParamISM: High MLD for ParamISM, 32 kbps, high frequency content missing

Basic info

  • Encoder (float): ivas-float-update, commit d18cbee3
  • Decoder: ivas-basop main, commit 8a05cf9b

Bug description

Wav-diff reports a high MLD value at the 2nd frame of the file, at high-frequencies content is missing:

Bildschirmfoto 2024-10-25 um 14.40.32.png

BASOP

Bildschirmfoto 2024-10-25 um 14.40.23.png

Ways to reproduce

  • ./IVAS_cod_flt_ref -ism 3 dm6aa1s10.wav.0.csv dm6aa1s10.wav.1.csv dm6aa1s10.wav.2.csv -max_band FB 32000 48 dm6aa1s10.wav out/paramISM3--dm6aa1s10--32000.192
  • ./IVAS_dec_fx BINAURAL 48 out/paramISM3--dm6aa1s10--32000.192 out/paramISM3--dm6aa1s10--32000.clean.dec.fx.wav
  • ./IVAS_dec_flt_ref BINAURAL 48 out/paramISM3--dm6aa1s10--32000.192 out/paramISM3--dm6aa1s10--32000.clean.dec.flt.wav wav-diff --no-fail --print-ctest-measurement out/paramISM3--dm6aa1s10--32000.clean.dec.flt.wav out/paramISM3--dm6aa1s10--32000.clean.dec.fx.wav