BASOP Encoder Distortion for ISM 1 FER at 32kbps, EXT output, high MLD

Basic info

• Float reference:
  • Encoder (float): d3f01fcf
  • Decoder (float): d3f01fcf
• Fixed point:
  • Encoder (fixed): 182c2a50
  • Decoder (fixed):

Bug description

There is an audible distortion at around 1:09.66 for ISM 1 at 32 kbps with an error pattern. It results in a high MLD of greater than 10.

Floating Point:

Fixed Point:

Ways to reproduce

Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1534

./IVAS_cod.exe -ism 1 cat4.csv 32000 48 cat4.wav bit
eid-xor.exe -fer -vbr -bs g192 -ep g192 bit error_pattern.192 dut_error
./IVAS_dec_ref.exe EXT 48 dut_error dut_out.wav

./IVAS_cod_ref.exe -ism 1 cat4.csv 32000 48 cat4.wav bitref
eid-xor.exe -fer -vbr -bs g192 -ep g192 bitref error_pattern.192 ref_error
./IVAS_dec_ref.exe EXT 48 ref_error ref_out.wav