This chapter explores the unique characteristics of acoustic metamaterials, emphasizing their potential for noise control applications. Acoustic metamaterials are at the cutting edge of material science and engineering, utilizing structural design to manipulate sound waves, transcending the capabilities of traditional materials. Their innovative nature lies in offering unprecedented control over sound waves, which facilitates groundbreaking applications and continuous progress in both theoretical and practical domains. The chapter provides an overview of the different types of acoustic metamaterials and their applications. As research increasingly focuses on the sound insulation and absorption properties of these materials, they are becoming crucial for developing novel noise control solutions that surpass conventional technologies.