for extract them with proper file names and readable wav or ogg file; Audacity >file > export > export as MP3 or WAV or OGG and....
before it; some of audio need to change playback speed to 0.5x or 0.6x or...

open Audacity; File--->import-->Raw data--->and give a file to it. u have to reduce playback speed for some file to 0.5x or 0.49x or 1.0x. and for save changes--> in menu bar--> Effect-->change speed-->and so on.... u can test playback speed with play-at-speed button ander help goldwave can also ma...

anyone was able to extract the sounds and listen to them ?