AC-3 stands for Audio Codec 3 and it is a audio compression format developed by Dolby Laboratories. It was introduced in 1987 and was widely used for the encoding of audio in various forms of digital multimedia, including DVD and Blu-ray discs, digital television, and video games. The format is designed to provide surround sound audio with a high level of compression, allowing for the storage of multiple audio channels on a single piece of media. The AC-3 codec supports up to 5.1 channels of audio, with each channel representing a different speaker or group of speakers in a surround sound setup. The AC-3 format is widely supported by a variety of media players, decoders, and home theater systems.
Here are some links to online tutorials that provide information on the AC-3 codec:
Dolby Laboratories AC-3 Codec: An Overview - This tutorial provides a comprehensive overview of the AC-3 codec and its features. It includes information on the history of the format, its technical specifications, and how it is used in various multimedia applications.
https://www.dolby.com/us/en/technologies/dolby-digital/ac-3.html
AC-3 Encoding Tutorial - This tutorial provides step-by-step instructions for encoding audio using the AC-3 codec. It covers the basics of audio compression, as well as the specific settings and tools used for AC-3 encoding.
https://www.videohelp.com/tutorials/ac3
AC-3 Codec Overview and Encoding Guide - This guide provides a comprehensive overview of the AC-3 codec and its features, as well as a step-by-step guide to encoding audio using the format. It includes information on the different tools and software available for AC-3 encoding, as well as tips and tricks for getting the best results.
https://www.dvdfab.cn/tutorials/ac3-codec.htm
These resources should help you learn more about the AC-3 codec and how to use it for audio encoding.