How to convert AIFF to AC3
- Add your .AIFF file - drop it in the box above or click to browse.
- Convert it to .AC3 in a few seconds.
- Download your new .AC3 file.
What to expect
- AC3 is lossy - converting from lossless AIFF permanently discards audio data; always keep the original
.aiffas your master. - A stereo or mono AIFF produces a stereo AC3 track; converting alone does not create real surround sound.
- AC3 bitrate is capped at 640 kbit/s; 192-256 kbit/s suits stereo, while 448-640 kbit/s is standard for 5.1 surround.
Frequently asked questions
Will converting to AC3 improve my audio?
No - AC3 is lossy and AIFF is lossless, so quality can only stay the same or decrease; the gain is smaller file size and Dolby Digital compatibility.
Can I get real 5.1 surround from a stereo AIFF?
No - you can fill six channels but the encoder cannot invent surround information; true 5.1 requires a multi-channel source mix.
Why choose AC3 over MP3 or AAC?
Use AC3 only when a device or authoring tool explicitly requires Dolby Digital, such as DVD-Video production; for general listening, AAC or MP3 are more widely supported.
Is AIFF metadata preserved after conversion?
No - tags stored in AIFF chunks (artist, title) are not carried over to the AC3 file.
Programs that convert AIFF: Adobe Premiere Pro · Blaze Media Pro · Freemake Video Converter · VIP Video Converter · xrecode · Tiny Audio Converter · Bigasoft Audio Converter
