OSBA 160 kbps (pre-rendering): Spectral Holes below 4 kHz for several components
Basic info
Bug description
For several channels/SBA components, there are spectral holes missing for the SPAR part (below 4 kHz). Difficult to say, whether this is audible, but at least it doesn't look right... In this testcase, the following channels/SBA components are affected:
- Channel 9 <-> component 5
- Channel 11 <-> component 7
- Channel 13 <-> component 9
- Channel 14 <-> component 10
- Channel 16 <-> component 12
- Channel 18 <-> component 14
- Channel 20 <-> component 16
For better clarity, I've encircled some of the holes (there are other differences, too) in green for the BASOP decoder:
Float:
BASOP:
Ways to reproduce
- ./IVAS_cod_flt_ref -ism_sba 4 2 experiments/basop-verification/ISM4SBA2/proc_input/4-overlapping-identical-talkers_sp-rot.wav.0.csv experiments/basop-verification/ISM4SBA2/proc_input/4-overlapping-identical-talkers_sp-rot.wav.1.csv experiments/basop-verification/ISM4SBA2/proc_input/4-overlapping-identical-talkers_sp-rot.wav.2.csv experiments/basop-verification/ISM4SBA2/proc_input/4-overlapping-identical-talkers_sp-rot.wav.3.csv -max_band FB 160000 48 experiments/basop-verification/ISM4SBA2/proc_input/4-overlapping-identical-talkers_sp-rot.wav out/ISM4SBA2--4-overlapping-identical-talkers_sp-rot--160000.192
- ./IVAS_dec_fx EXT 48 out/ISM4SBA2--4-overlapping-identical-talkers_sp-rot--160000.192 out/ISM4SBA2--4-overlapping-identical-talkers_sp-rot--160000.clean.dec.fx.wav
- ./IVAS_dec_flt_ref EXT 48 out/ISM4SBA2--4-overlapping-identical-talkers_sp-rot--160000.192 out/ISM4SBA2--4-overlapping-identical-talkers_sp-rot--160000.clean.dec.flt.wav
- wav-diff --no-fail --print-ctest-measurement out/ISM4SBA2--4-overlapping-identical-talkers_sp-rot--160000.clean.dec.flt.wav out/ISM4SBA2--4-overlapping-identical-talkers_sp-rot--160000.clean.dec.fx.wav
Input files can be found on box.com. This is the same item/configuration as for #974 (closed).