To improve the quality of audio over the default setting suggested by Movie Maker, scroll to and select an audio setting above the default. You can choose an audio format up to 440 Kbps, 90 Hz Stereo, which is suitable for high-definition movies with digital surround sound.indows Live Movie Maker is free movie editing software that ships with all Microsoft Windows computers. The program comes with a range of editing tools and output settings, including the ability to change the sound quality on your movies and video clips.