First show the sound tool by selecting View in the menubar and then clicking on Sound. This will show up the sound section on the right hand side of the Parley screen.
To add a sound to a word make sure the word is highlighted. In the sound section on the right hand side click on the Folder icon and choose the sound you wish to associate.
The needed sound files can be obtained from Wiktionary using Parley inbuilt scripts.
To obtain the sound file highlight a word in the list then choose → from the Parley menu.
The sound file will be saved next to the current vocabulary file in the