This may have not been needed but I'd rather be explicit when I need to be. The -map options make it so that we explicitly tell ffmpeg what streams of data to write out to the output, instead of it just figuring it out. It also speeds up the command by avoiding having to read the video stream. This will give us only the audio stream for this file. The -vn option before the input means ignore the video stream. It also speeds up the command by avoiding having to read the audio stream. This will give us only the video stream for this file. The -an option before the input means ignore the audio stream. The file path to save the combined result to.

This is the file he wants to use the audio from, making this video B. This is the file he wants to use the video stream from, so in his case its video A. These details will be important in a moment.Enter fullscreen mode Exit fullscreen mode Note it is labelled s16 which means that it is a signed 16-bit depth audio stream. In my case I only have one audio stream to worry about at address 0:1. If you have troubles and decide to ask others for help, be sure to omit -hide_banner as the information it emits can be useful when debugging!

I use -hide_banner to reduce the amount of text printed to the terminal. Extracting the audio from the video filesįfmpeg can be used to extract the audio track(s) from the video streams on the Blu-Ray.įirst interrogate one of your streams using ffprobe to see how the different tracks are laid out: ffprobe -hide_banner BDMV/STREAM/00002.m2ts I use the complete Blu-Ray backup feature so I have the raw stream files to work with. While it is in beta, it can be evaluated by using the current beta key. MakeMKV can be used to rip and, if necessary, decrypt Blu-Ray audio discs. Here are a few tips I’ve discovered along the way: tl drīackup the disc using MakeMKV and extract the audio using the updated version of the command under Putting it all together. I recently ripped my first Blu-Ray audio discs.

Ffmpeg extract audio tracks