Yes but it sounds very unpleasant (to my native ears) only a small region say it like that (though quite populated)
Not only that the audio here even seem to exagerate that type of sound.
I wouldn't be able to have a long conversation if someone really talked like that all the time. Computer voice could use a tweak. Or some cough sirop...
The 'sch' sound is neither like a k nor sh, though both are approximations that might be understood by sympathetic listeners.
You have to combine a regular s with the Dutch g (that tricky velar/glottal fricative). Since you've done a fair bit of Spanish, you could say it's like a noisier Spanish 'j' like in "Juan" or "ojos". Practice, practice, practice.
Check schaap here it has a better pronounciation.
And you can check all the other sounds too. An awesome site!