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Fix for 3gpp issue 830: Stereo @ 64 kbps: Left channel in decoded signal is shifted wrt reference

Sandesh Venkatesh requested to merge 3gpp_issue_830_fix into main

Pipeline results:

  • EVS 26.444 BE test passes.
  • decoder pytests:
    MLD scores:
    Original inputs: 562 failed, 374 skipped
    MLD > 10: 34
    MLD > 5 : 84
    MLD < 5 : 444
    +10dB inputs: 562 failed, 374 skipped
    MLD > 10: 144
    MLD > 5 : 195
    MLD < 5 : 223
    -10dB inputs: 562 failed, 374 skipped
    MLD > 10: 8
    MLD > 5 : 40
    MLD < 5 : 514
  • encoder pytests results:
    MLD scores:
    Original inputs: 562 tests:
    MLD > 10: 15
    MLD > 5 : 47
    MLD < 5 : 500
    +10dB inputs: 562 tests:
    MLD > 10: 44
    MLD > 5 : 128
    MLD < 5 : 390
    -10dB inputs: 562 tests:
    MLD > 10: 5
    MLD > 5 : 21
    MLD < 5 : 536

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