Navigate to the folder your video and audio is located in.Įxecute the command to create a MP4 video. Open a new Terminal window from Applications:Utilities.
Double click to extract the archive if need be. aac audio file into a mp4 file using MP4Box.ĭownload MP4Box from here and save it to the same folder as your extracted video and audio. Note: the audio files will likely be named audio2.ac3 or audio2.dts. Set the Convert To: dropdown to AAC then set the destination folder to the folder than contains the files we extracted earlier.ĭrop the audio file that was extracted from the mkv into Audio-Converter to begin conversion. Launch Audio-Converter from the Applications folder. You can use your favorite application to convert the audio or try Audio-Converter which can be downloaded from the Mac App Store here. If it is in AAC format then you can skip this section. If the audio track you extracted is NOT in AAC format than you will need to convert it. IMKVExtract will let you know when the extraction is complete. These are usually track one and track two.Ĭhange the target folder if need be and click the Extract button.
Select the video and audio track for extraction. Select your mkv file and click the Choose button. Launch iMKVExtract and click the Browse button to select your Matroska file.
The iPhone and iPad support High Profile level 4.1.ĭemux (ie extract) the video and audio tracks from the MKV container format.ĭownload and install iMKVExtract from here to your applications folder. The new Apple TV supports High Profile at Level 4.0 however, we have tested level 4.1 and it worked fine in all attempts. Some older Apple devices only support the Main profile so if your video is High Profile this procedure may not work. Important: Make note of the Encoding Profile. Make sure the video format is H.264 and take note of the Frame Rate (fps) and Audio Format. Launch VideoSpec from your Applications folder. ***We have posted an easier version of this tutorial here, we suggest that most users follow that tutorial instead.***īefore beginning lets get some details on the source video and audio.ĭownload and install VideoSpec to your Applications folder from here.
These are instructions on how to convert H.264 MKV files to MP4 without re-encoding.įollowing this procedure will save you lots of time and prevent video quality degradation if you need video in mp4 format for playback through iTunes, the Apple TV, or on your iOS device.