AC3 is an audio file saved in Dolby Digital format. AC3 is a trade name of the A/52 standard. AC3 is used for storing audio tracks on DVDs and encoding DVB digital TV signal. AC3 format supports up to 6 audio channels (the popular 5.1 format).
An .AAC file is an advanced audio coding file that implements advanced encoding and compression for storing the digital audio data file. The AAC file format is the default file format used by some of the media players, such as Apple iTunes, Winamp, and the Windows Media Player applications.
After converting the file to the new format, you will be able to use other programs to support it. Keep in mind, however, that the AC3 file after converting to AAC may differ slightly from the original. The most important information should be kept, but if you want the file after conversion from AC3 to AAC to be the same, you have to do this carefully and choose the proper application from the list below.
There is no guarantee, of course, that the conversion will come up to all your expectations, but it will certainly help you. If, after all, the effect of converting AC3 to AAC does not meet your expectations, you can simply try to find on the Internet a different version of your file in AC3 format, properly converted to a AAC file by someone else. If this fails, use the information provided in the further part of the website.
If after converting the file AC3 the desired result was not achieved, you can try to change the format of AC3 file to other than AAC. On our website you will find more information on the following conversion options
Unfortunately, if after performing the two previously described steps (trying to find your AC3 file converted by someone else, and the attempt to convert it to AAC on your own) you still have a problem with your file, then there are only a few solutions left. You can once again try to find and install an application that can open the AC3 file in its original format (without conversion to AAC file). Such a solution will be difficult to implement, but it certainly will give the best result.