AAC field Leave feedback On this page AAC field See Also AAC field AAC (Advanced Audio Coding) refers to digital audio coding standard that represent audio files based on lossy audio compression. Learn more about this file format here. See Also class AudioFileType Was this page helpful? Not really Yes, thanks Any additional feedback you'd like to share with us? Skip Send Please tell us how we can improve this page. Skip Send Thank you for your feedback! We value your opinion. Your feedback will help us improve our documentation.