How do you convert a .wav file to IMA ADCPM 8khz, 4-bit mono for a phone system using Adobe Audition 1.5?

Answer 1

Open the file in Audition.  Hit F11 to bring up the dialogue to Covert Sample Type ---> choose 8000 Khz, Mono.  (leave the bit rate at 16)
Then select File - Save As  and under the box to type file name select Save As Type and choose  DVI/IMA ADPCM and follow the promps.