Dog whistles have long been used as training tools because their high frequency is easy for dogs to hear, and boosted versions began circulating on soundboards and messaging apps where users wanted a louder, clearer copy for phones and short videos. The boosted edit does not change the basic tone, it simply raises its volume and presence so it survives compression in memes and clips. That practical advantage keeps it popular with pet creators and prank editors who need a signal that is recognised instantly, even when played at low volume.