The MPEG-4 Low Delay Audio Coder (a.k.a. AAC Low Delay, or AAC-LD) is audio compression standard designed to combine the advantages of perceptual audio coding with the low delay necessary for two-way communication.
The MPEG-4 Low Delay Audio Coder (also known as AAC Low Delay, or AAC-LD) is an audio compression standard that combines the benefits of perceptual audio coding with the low latency required for real-time communication.