Here is a picture of the parameters for the software and you can set audio alert for the trend changes. (trading123.net)
Likewise, the intelligent audio alert system listens for sounds and knows the difference between a dog bark and a human voice, and will send different alerts accordingly. (digitaltrends.com)
You'll hear voice prompts in your ear as you cycle through the options, as well as intensity zone audio alerts as you reach them. (tomsguide.com)