[non-BE][split-non-BE] Resolve "SBA PLC Decoder: Big diffs between Float and BASOP"

JÜRGEN Gerstackerrequested to merge
basop-1966-improve-tonal-detection-accuracy-using-32bit into main

This branch is used as an attempt to increase accuracy of tonal detection by increasing 16bit variables to 32bit.

The goal is to keep software pathes as close as possible to the float reference.

  • Related issues: 1966
  • Requested reviewers: @multrus

Reason why this change is needed

  • big differences in output, between float and fixpoint

Description of the change

  • increasing 16bit variables to 32bit

Affected operating points

  • Concealment using MDCT tonal concealment (i.e. TCX only modes)
Edited by multrus

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