(note: A sub-folder called 'ffmpegOut' will be created in whatever folder you run this script in, this is where the output file will be saved, so there is no overwriting files ****) The output, after being run through this script will look like the following: Lets say the input file looks like the following: So if you have multiple tracks (such as commentary etc), those tracks will be moved below the new track. Inserts the new track as the second track in the audio stream. Keeps all existing video, audio (up to 6 tracks), subtitles & chapters.Ĭreates a stereo mixdown of the first audio track (which is assumed to be a 5.1 track, not much use using this on a video which is already stereo). Although, I do feel like I have a slightly better grasp on ffmpeg now, and boy is it powerful! NOTE: I'm not a coder, I've just pieced this together by scouring the internet for related problems & piecing together. I wanted something that was quick & that could be done in batches so I don't have to manually edit each file.īOTH THESE SCRIPTS ARE VERY SIMILAR, BUT ARE DESIGNED FOR DIFFERENT USES.
#VBSCRIPT FFMPEG MKV TO MP4 CONVERTER MOVIE#
Suffice to say, after searching for a solution, it turns out that movie just has a really bad sound mix (who'd have thought huh?!) so my search for a solution to fix the problem was all for naught, but I came across the Apple TV AAC 5.1 issue around the same time, so I figured I'd keep looking for a solution & just share them with you guys anyway. I started looking into this after I watched 'Rumble in the Bronx' (Classic JC, amirite?) and got really annoyed at how loud the sound effects were while the dialogue was really quiet. Like many others, I get annoyed when a movie is too loud during action scenes, but too quiet during dialogue. Hey all, I was looking for a simple solution to a few issues I was having:ĪAC 5.1 doesn't work too well on Apple TV. Try out both to see which works best for you, and be sure to dig into the settings to find the sweet spot for your setup :)
This is most similar to what a soundbar might do in order to reduce the loud & increase the quiet parts of a movie. Note that the 'LoudNorm' scripts are slower than the others because it adds another process.ĮDIT 3: As an alternate to the 'NightMode' scripts I have added one more script which adds actual DRC (Dynamic Range Compression) to the mixdown instead of just mixing the FL, FR, BL(SL), BR(SR), FLC, FRC, FC, LFE channels at different volumes. Also, I've added 2 more scripts which are the exact same as the first 2, but also includes the 'loudnorm' filter, which normalizes the new mix-down track to EBU R128 (industry standard). This means all channels are there for a 7.1 mix-down now. bat files have been updated too.ĮDIT 2: Added FLC (front left centre) & FRC (Front right centre) channels to the Nightmode mix-down. EDIT: Updated the scripts slightly to add language metadata, add SL & SR to the night mode script (sometimes channels are called BL BR or SL SR.
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