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Basop Encoder: Noise introduced for Stereo DTX @32kbps

Basic info

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

Bug description

A noise is introduced at the end of the signal (around 7.5s) for a duration of approximately 0.5 seconds between 0 and 8kHz for unified stereo dtx at 32kbps.

Float:

si01_32000_dtx_ref

Fixed:

si01_32000_dtx_dut

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1247

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

./IVAS_cod.exe -dtx -stereo 32000 48 si_input.wav bit
./IVAS_dec_ref.exe Stereo 48 bit out_dut.wav
Edited by Sumeyra Demir Kanik