And it is the authors. I mean coders who made this asctrend_soubd for Metatrader 3:
asctrend_open_source.jpg
And it is imran indicator which you posted. Ramdass converted it from MT3. I am not sure but I think that imran just re-named it only (why people are renaming the other people's property?):
Ramdass_converted.jpg
And it is indicator which I am using: see first post of this thread
Signal systems (ASCTrend and other modification) :
asctrend_sound.jpg