III.1     Scope             
      III.2     References     
      III.3     Definitions     
      III.4     Abbreviations and acronyms   
      III.5     Conventions   
      III.6     General description of the toolbox       
      III.7     Functional description of the toolbox for the encoder    
      III.8     Functional description of the toolbox for the decoder    
      III.9     Bit-exact description of the audio quality enhancement toolbox
for ITU‑T G.711