What is an AC3 File?
An AC3 file is an audio file that can store up to 6 audio channels, making it possible to get surround 5.1 audio sounds. This format uses a lossy compression whilst maintaining its quality. This type of audio file format is usually used in DVDs, games, and cinemas.
Download AC3 Sample Files
Here are several .AC3 sample files for you to download and perform your tests. These are available in different file sizes and lengths.