Frequency overshoot in MDCT-stereo @48kbps WB
# Basic info <!--- Add commit SHA used to reproduce --> - Float reference: - Decoder (float):05f58f7271155ebaf12707893875076e32e8f07f - Fixed point: - Encoder (fixed):12778592892ffaa19a76baf66a497041764656fc # Bug description For this particular issue, beside the observed quality issues that are observed at this bitrate (see https://forge.3gpp.org/rep/sa4/audio/ivas-basop/-/issues/1078) there is a frequency overshoot at frame 120 as can be seen at the spectrogram below: ![Screenshot_2025-01-16_at_15.26.44](/uploads/b023e476b15b88406e21c32b184b32fa/Screenshot_2025-01-16_at_15.26.44.png) # Ways to reproduce Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1190 <!-- Commandline or script --> ```bash ./IVAS_cod -stereo -max_band WB 48000 16 dp03a1s01_16.wav bit.192 ./IVAS_dec_flt_ref stereo 16 bit.192 out.wav ``` <!--- Below are labels that will be added but are not shown in description. This is a template to help fill them. Add further information to the first row and remove and add labels as necessary. -->
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