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Movie audio tracks
Movie audio tracks





movie audio tracks
  1. #Movie audio tracks how to#
  2. #Movie audio tracks movie#
  3. #Movie audio tracks full#

Now we need to combine the audio.ac3 file you extracted from the mkv in the first step with the new trimmed and up-mixed Rifftrax riff-audio.ac3 you generated in the previous step.

#Movie audio tracks movie#

If your movie only has stereo audio you can do this: 1įfmpeg -i rifftrax-trimmed.mp3 -ac 2 -c:a ac3 riff-audio.ac3 If your movie’s audio is 5.1 surround, this command will put the Rifftrax audio into the front left and right speakers: 1įfmpeg -i rifftrax-trimmed.mp3 -filter_complex "pan=5.1|FL=FC|FR=FC|LFE=FC" -map "" -c:a ac3 riff-audio.ac3 This step will convert them to a multi-channel ac3 file to match the number of channels in your movie’s audio. Rifftrax “Just the Jokes” mp3 files are mono-channel. In this example you could replace 1:45 with 1:44.5 if the robot voice is coming in half a second early, or 1:45.5 if it’s coming in half a second late. If at the end of this process, you watch the movie with your new Rifftrax audio track and find that the sync is off by some fraction of a second in one direction or the other, you can to come back to this step and attempt to fine-tune it. That will create a new rifftrax-trimmed.mp3 file from your rifftrax.mp3 file with the first minute and forty five seconds trimmed. Sox rifftrax.mp3 rifftrax-trimmed.mp3 trim 1:45 Now you subtract the movie cue timestamp from the Rifftrax pause timestamp and get 1:45 that’s how much time you need to trim from the beginning of the Rifftrax audio in order to properly sync it with the movie’s audio track. Then you need to watch the movie and identify the timestamp that the cue occurs at. Essentially you need to listen to the Rifftrax and identify the timestamp where you’re supposed to pause it and wait for a cue in the movie. This step is a bit of an art and may take a couple tries and tweaks to get right.

#Movie audio tracks full#

You can try playing that file with vlc and it should be the full audio track of your movie.

movie audio tracks

The above command will extract the track with id 1 to a file called audio.ac3. Mkvextract MyMovie.mkv tracks 1:audio.ac3 Note that an mkv can contain multiple audio tracks (in different languages, for example), so make sure you choose the right one. For this example we will assume that is 1. You want to get the track ID for mkvmerge & mkvextract. You want to identify the audio track’s id, which will be denoted with Track type: audio. This will list all of the video and audio tracks in the mkv file. The first step is to figure out the track number of the movie’s audio. This assumes you have mkvtoolnix, ffmpeg, and sox installed and that you’ve already ripped the movie into a mkv container with an ac3 audio track. Instead we’ll need to mix the Rifftrax with the movie’s audio into a new combined audio track and add that to the movie. It’s not enough to just plop the Rifftrax audio into the movie as an alternate audio track on its own, since then you really will hear “Just the Jokes” with no audio from the actual movie at all. Since I’m in the process of ripping all of my DVDs and Blu-rays to my Plex server, I decided to devise a way to incorporate the Rifftrax audio directly as an alternate audio track. I hate having to use a second audio device to play them while I watch the movie, though. I’m not even going to talk about how much I love Mystery Science Theater 3000 right now, but suffice it to say I also love Rifftrax and own a bunch of “Just the Jokes” audio commentaries.

#Movie audio tracks how to#

Comics How to Add Rifftrax Directly to a Movie's Audio Track (posted in blog)







Movie audio tracks