If you play a three-note chord with your right hand on the Trumpet Section patch, TPS automatically assigns the top note to Trumpet 1, the middle to Trumpet 2, and the bottom to Trumpet 3. If you play a four-note chord, it intelligently doubles the root or adds the Tuba an octave lower.
It was designed specifically for pop/rock horn sections rather than orchestral scoring, offering a "bright and punchy" sound suitable for live-style arrangements. TPS - Brass Section Module VSTi
Because the TPS Module can sometimes sound "thin" compared to modern standards, producers often use these techniques to make it sound more realistic: If you play a three-note chord with your