1. Embouchure. The shape and position of your lips, tongue, and jaw all affect the pitch of your sound. To produce a high sound, you need to tense your lips and narrow the opening of your mouth. You should also tuck your tongue in behind your lower teeth and raise the back of your tongue towards the roof of your mouth.
2. Air flow. The amount and speed of your airflow also affect the pitch of your sound. To produce a high sound, you need to increase the amount of air you're blowing through the trumpet and blow more quickly.
3. Fingerings. The different fingerings you use on the trumpet also change the pitch of your sound. To produce a high sound, you need to use the fingerings for the higher notes.
4. Practice. Making high sounds on the trumpet takes practice. You need to practice regularly to develop the muscle memory and control that you need to produce high sounds consistently.
Here are some additional tips for making high sounds on the trumpet:
* Relax. Don't get too tense when you're trying to produce a high sound. This will make it harder to play the note cleanly and in tune.
* Listen. Listen to the pitch of your sound as you're playing and adjust your embouchure, air flow, and fingerings as needed to produce the desired pitch.
* Be patient. It takes time and practice to learn how to make high sounds on the trumpet. Don't get discouraged if you don't see results immediately. Just keep practicing and you'll eventually reach your goals.