Basop Encoder Spectral Gaps in Stereo DTX 13.2 kbps Noisy Signal

Basic info

• Float reference:
  • Encoder (float): ceb8871f
  • Decoder (float): ceb8871f
• Fixed point:
  • Encoder (fixed): c89d638e
  • Decoder (fixed):

Bug description

There are spectral holes for the noisy stereo signal with DTX enabled at 13.2kbps above 8kHz.

Float:

Basop:

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1427

./IVAS_cod_ref.exe -stereo 13200 32 toyin.wav bitref
./IVAS_dec_ref.exe stereo 32 bitref refout.wav

./IVAS_cod.exe -stereo 13200 32 toyin.wav bit
./IVAS_dec_ref.exe stereo 32 bit dutout.wav