Basop Encoder: Audible noise for silent Stereo input DTX on @24.4 kbps, @32 kbps

Basic info

• Float reference:
  • Encoder (float):b09a7f47
  • Decoder (float):b09a7f47
• Fixed point:
  • Encoder (fixed):4c0dfa80
  • Decoder (fixed):

Bug description

Audible noise is present for silent stereo input, DTX on. Bitrates 24.4 and 32 kbps.

Float:

Fixed:

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1245

 ./IVAS_cod_ref.exe -dtx -stereo 32000 48 ../input2/silence.wav bitref
 ./IVAS_dec_ref.exe Stereo 48 bitref out_ref.wav

./IVAS_cod.exe -dtx -stereo 32000 48 ../input2/silence.wav bit
 ./IVAS_dec_ref.exe Stereo 48 bit out_dut.wav