Good audio quality is essential in videos for several reasons. Firstly, it ensures clear speech, making it easier for viewers to understand the message. Secondly, it leads to better engagement, as viewers are more likely to pay attention when the audio is clear and of good quality. Thirdly, audio can create an emotional connection with the viewer, adding another layer of meaning to the video. Finally, good audio quality enhances the viewing experience by immersing the viewer in the content.