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ParamISM: Signal leakage above stop-frequency

Basic info

Bug description

In the FX decoder, we have at various spots for EXT output signal leakage above the stop frequency, e.g. at

  • 4.960s
  • 5.220s

Float:

Bildschirmfoto 2024-11-10 um 19.58.17.png

BASOP:

Bildschirmfoto 2024-11-10 um 19.58.10.png

Ways to reproduce

  • ./IVAS_cod_flt_ref -dtx -ism 3 bm6aa1s03.wav.0.csv bm6aa1s03.wav.1.csv bm6aa1s03.wav.2.csv -max_band FB 24400 48 bm6aa1s03.wav paramISM3--bm6aa1s03--24400--dtx.192
  • ./IVAS_dec_fx EXT 48 paramISM3--bm6aa1s03--24400--dtx.192 paramISM3--bm6aa1s03--24400--dtx.clean.dec.EXT.fx.wav
  • ./IVAS_dec_flt_ref EXT 48 paramISM3--bm6aa1s03--24400--dtx.192 paramISM3--bm6aa1s03--24400--dtx.clean.dec.EXT.flt.wav