Final answer:
Changes in loudness are indeed effective in conveying emotional feelings, which is true. Loudness, coupled with frequency and timbre, plays a crucial role in how we emotionally perceive sounds and music.
Step-by-step explanation:
Changes in loudness can indeed help convey emotional feelings, which is a true statement. The aspects of sound that contribute to emotional expression in music and other audio experiences involve several factors, including loudness, frequency, and timbre.
Loudness, which correlates with the intensity and energy of the sound vibrations, can influence how we perceive a noise or piece of music, potentially invoking an emotional response.
Moreover, frequency plays an integral role, as certain frequencies can be more affecting due to the sensitivity of the human ear, while timbre is the character or quality of a musical sound that helps us distinguish different types of sounds, such as the difference between a violin and a piano, even when they play the same note.
Furthermore, it's worth noting that exposure to high levels of noise can be hazardous to hearing, emphasizing the significance of understanding sound intensity and taking protective measures when necessary.
In various media, such as television shows, movies, and commercials, music utilizes changes in loudness and other qualities to evoke responses from joy to fear, suggesting that these emotional ties to music could be seen as cultural universals.