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Encoder Spectral Differences for ISM 3 item with a bell ringing sound at 24.4 kbps, High MLD

Basic info

  • Float reference:
  • Fixed point:
    • Encoder (fixed): 182c2a50
    • Decoder (fixed):

Bug description

ISM 3 item containing speech and ringing bell sound results in spectral differences and high MLD for BASOP encoder at 24.4 kbps for BINAURAL output.

Floating point:

refdm6aa1s07

Fixed point:

dutdm6aa1s07

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1538

./IVAS_cod_ref.exe -ism 3 dm6aa1s07.wav.0.csv dm6aa1s07.wav.1.csv dm6aa1s07.wav.2.csv 24400 48 dm6aa1s07.wav bitref
./IVAS_dec_ref.exe BINAURAL 48 bitref ref_dm6aa1s07v1.wav

./IVAS_cod.exe -ism 3 dm6aa1s07.wav.0.csv dm6aa1s07.wav.1.csv dm6aa1s07.wav.2.csv 24400 48 dm6aa1s07.wav bit
./IVAS_dec_ref.exe BINAURAL 48 bit dut_dm6aa1s07v1.wav
Edited by Sumeyra Demir Kanik