Gateway Mastering is a professional audio mastering studio located in Portland, Maine. Founded by renowned mastering engineer Bob Ludwig, it specializes in preparing audio recordings for distribution across various formats, including digital, vinyl, and CD. The studio is known for its high-quality sound and attention to detail, making it a popular choice among artists and record labels. The mastering process at Gateway Mastering involves adjusting the final mix's tonal balance, dynamics, and overall loudness. This ensures that the music sounds its best on different playback systems. With decades of experience, Bob Ludwig and his team have worked with numerous high-profile artists, contributing to the studio's esteemed reputation in the music industry.