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BASOP encoder ParamISM: high ODG and "scratching" artifact

Basic info

  • Float reference:
    • Encoder (float): f7a0e207 (ivas-float-update)
    • Decoder (float): f7a0e207 (ivas-float-update)
  • Fixed point:

Bug description

high ODG value ( -1.8) and audible "scratching" artifacts

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1206

Command lines:

./IVAS_cod_flt_ref -q -ism 3 dm6aa1s02.0.csv dm6aa1s02.1.csv dm6aa1s02.2.csv -max_band FB 24400 48 dm6aa1s02_48.wav bit

./IVAS_dec_flt_ref -q EXT 48 bit dec.wav

It is less strongly audible with BINAURAL output. It appears with and without DTX. The position in the item is highlighted below.

image

Edited by Dominik Weckbecker