Vocal warm-ups are exercises designed to prepare the voice for singing or speaking. They help to relax the vocal cords, improve breath control, and enhance vocal range. Common warm-up techniques include humming, lip trills, and scales, which gradually increase in pitch and intensity. These exercises are beneficial for singers, actors, and public speakers, as they reduce the risk of strain and injury. Regular vocal warm-ups can also improve overall vocal quality and stamina, making it easier to perform for extended periods. Incorporating warm-ups into a daily routine can lead to better vocal health and performance.