Answer:
False.
The fundamental frequency of a person's speech, also known as the pitch or F0, can vary depending on various factors such as age, gender, emotion, and cultural background. However, studies have shown that the fundamental frequency tends to increase, rather than decrease, when a person is angry or excited. This increase in pitch during intense emotions is thought to be due to changes in the tension of the vocal cords and increased respiratory activity.
Step-by-step explanation: