Although it is possible to convert an MPA file into another form of digital audio like AC3, very few conversion tools accept it as an input format.
MPA is a digital audio format encoded with the MPEG-II compression standard. While the file type is supported by Apple QuickTime and Microsoft Windows Media Player, it does not have widespread compatibility. Although it is possible to convert an MPA file into another form of digital audio like AC3, very few conversion tools accept it as an input format. But users can utilize the audio encoder in iTunes to convert an MPA file into a more popular variety of compressed audio. As the front-end program for QuickTime, iTunes supports playback for MPA files. The free media management application can also reproduce the file in AAC, AIFF, MP3 or WAV versions. Once the MPA file has been converted into AAC, AIFF, MP3 or WAV format, it can be processed through another a file conversion utility to generate an AC3 file.
Instructions
1. Open iTunes. If the program is not already installed on the computer, it can be downloaded directly from the Apple website. (See Resources.)
2. Go to "Edit" and select "Preferences." Click on the "Advanced" tab and then click on the section's "Importing" tab. Open the "Import Using:" drop-down menu. Choose from the "AAC Encoder," "AIFF Encoder," "MP3 Encoder" or "WAV Encoder." Hit the "OK" button.
3. Go to "Edit" and select "Preferences." Click on the "Advanced" tab and then click on the section's "Importing" tab. Open the "Import Using:" drop-down menu. Choose from the "AAC Encoder," "AIFF Encoder," "MP3 Encoder" or "WAV Encoder." Hit the "OK" button.
4. Go to the "Recently Added" playlist for easy access to the MPA file. Right-click on the file listing and select "Convert Selection to (chosen Encoder format)" A status bar will appear in the iTunes playback window and track the progress of the file conversion. When it has completed, the converted audio will appear above the original MPA file.
5. Right-click on the converted audio file and select "Get Info." The file's saved location will be indicated at the bottom of the "Summary" tab. Go to this file directory to locate the converted audio file.
6. Access a file conversion utility that can export an AC3 file from another audio format. Upload the converted audio file to the application. Program the file conversion and retrieve the AC3 file once it has been successfully created.
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