[regression] Energy loss in Stereo DTX decoding

Basic info

• Old (better) version:
  • Encoder/Decoder (float): 507fd13e4849b74ffa0803a008d7cce6dc016d1d
  • Decoder (fixed): c4812b8d
• New version (with regression):
  • Encoder/Decoder (float): 6d597ff1a92cc8b8cb0ad1965187ce56854ba62d
  • Decoder (fixed): b21e60d2

Bug description

Energy drop in noisy high-level region for LTV test case around 02:10. MLD goes from 2.0 to 39.0.

tests/codec_be_on_mr_nonselection/test_param_file.py::test_param_file_tests[ltv-stereo at 24.4 kbps, 16kHz in, 16kHz out, DTX on, MONO out]

Float reference

BASOP old

BASOP new

Ways to reproduce

Bitstream:

bit.zip,

bit2381.zip

IVAS_dec mono 16 bit.192 out.wav

regression_007.bash