AC3 files Not Working on Yosemite, find the way out

Find AC3 files cannot get along well with Yosemite? Read this post to convert your AC3 to AAC on 10.10 Yosemite to solve "Yosemite has no native support for Dolby Digital AC3 audio" issue.

After OS X Yosemite was announced, many people have installed it for its new features. But some new problems come up at the same time. The files with AC3 audio cannot be played well by QuickTime Player on the new Mac system any more. For example, some mkv or avi video with AC3 audio are played with no sound. That is probably because AC3 audio cannot be compatible to the latest OS X Yosemite or Yosemite has no support for AC3 audio.

  • Learn how to copy Blu-ray/DVD with keeping AC3 5.1 sound
AC3 files Not Working on Yosemite

Don't be frustrated. Here you will find a solution to help you out, that is- to convert AC3 audio to the audio supported by Yosemite. And by using a piece of third party converter software- Pavtube iMedia Converter for Mac, you are able to convert AC3 to AAC for OS X 10.10 Yosemite with 5.1 channels preserved and enjoy the generated audio the same as the original ones. Windows version is here. (Read the review) Now let's go to the following guide to find how to make AC3 audio playable on Yosemite. Please make sure having downloaded and installed it.

Convert AC3 Files for working perfectly on Mac OS X 10.10 Yosemite

Step 1. Load the files with AC3 audio. Both AC3 audio files and MKV/AVI video files with AC3 audio are supported.

AC3 Audio Converter

Step 2. Select output audio instead of AC3 audio. Here you can choose MP4 or MOV as compatible format for Mac OS X.

HD MP4 Format

Tip: Click on "Settings" button to switch audio codec from AC3 to AAC. If your source file has 5.1 channels, you can set the output as 5.1 channels as well.

turn AC3 to AAC

Step 3. Click "Convert" to start transcoding MKV/AVI AC3 to MP4/MOV AAC for Yosemite 10.10. After the conversion, you can click "Open" button to locate the generated files with ease. Now you can play your AC3 files on Mac OS X 10.10 Yosemite without loosing sound. Hope it helps.

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Comments: 5
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  • #3

    Créer compte skype (Monday, 05 October 2015 10:45)

    A very good post and very useful. Thanks for sharing these great tips

  • #4

    successfullyday (Wednesday, 11 November 2015 01:18)

    You can use idealshare to convert AC3 to play on mac.

  • #5

    CellMaxx (Friday, 11 March 2016 03:47)