What is a AC3 file?
AC3 (Dolby Digital) is the Dolby Digital surround format used on DVDs, digital TV and many video files. It was introduced in 1991 by Dolby Laboratories.
What AC3 is good at
- Carries 5.1 surround sound
- Standard on DVDs and broadcast TV
- Accepted by home theatre receivers
Where AC3 falls short
- Not meant for music libraries
- Less efficient than AAC or Opus
When to use AC3
- DVD and Blu-ray authoring
- Home theatre audio
- Video editing with surround tracks
Where AC3 files open
AC3 files open in DVD and Blu-ray players, AV receivers, VLC and video editors.
AC3 compared with MP3
AC3 or MP3? AC3 is best for DVD and Blu-ray authoring. MP3 is best for music libraries and downloads. Convert AC3 to MP3 or convert MP3 to AC3.
Frequently asked questions
What is a AC3 file?
AC3 (Dolby Digital) is the Dolby Digital surround format used on DVDs, digital TV and many video files. It was introduced in 1991 by Dolby Laboratories.
What are the advantages of AC3?
Carries 5.1 surround sound; standard on dvds and broadcast tv; accepted by home theatre receivers.
What are the drawbacks of AC3?
Not meant for music libraries; less efficient than aac or opus.
What programs open AC3 files?
AC3 files open in DVD and Blu-ray players, AV receivers, VLC and video editors.
How do I convert a AC3 file?
Choose the AC3 converter you need from the list on this page, drop in your file and press Convert. You get your new file in seconds, free and without sign-up.