I like to edit many of the movies I own for personal use. Usually, it is to cut out language that I deem inappropriate for my family.
I have been using SolveigMM video splitter to cut (or mute) the scenes I don't want. However, that doesn't always work (with PCM files for instance, the mute function isn't working)
Since I decide which words to cut by looking at the subtitle file, I know which timecodes I want muted. That leads me to three different options (for audio) that I'd like help with (Note that I want to avoid any kind of transcoding of the video)
1. Can I just use audacity, silence the vocals of the scene I want to eliminate language from, export as AAC (or AC3? or FLAC), keep it in surround sound (will that work?) and remux with the original video using mkvtoolnix? I'm getting errors when I try to export as AAC, (it's a 7.1 audio file and this is the error code I'm getting [invalid parameter 0x15002]
2. I've seen a lot of people use ffmpeg to do something similar...using command line like this:
3. Is there a lossless audio editor (similar to SolveigMM or TMPGenc) that I could use for just the audio so I could remux that audio back into the original video file?Code:ffmpeg -i in.mp4 -af "volume=enable='between(t,3.200,3.500)':volume=0,volume=enable='between(t,7.5,8)':volume=0" -c:v copy out.mp4
Is there a gui that would let me put in the time stamps so I don't have to do all of this via command line? I can easily get the time stamps via the subtitle file.
With regards to video, if there is a part I want to cut out, I just use mkvtoolnix...works great!
Any help would be greatly appreciated! Thanks
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Last edited by primetime34; 26th Feb 2021 at 16:06.
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I do have it installed and it gives me this error: invalid parameter 0x15002
Audacity's user guide says this about that error:
Error 0x15002 occurs if you export more than a 2-channel M4A file (such as a 5.1 surround sound file), using the "M4A (AAC) Files (FFmpeg)" export choice. To correct the error and export up to 8 channels, choose (external program) and specify a command that tells Audacity to explicitly use the native FFmpeg AAC encoder.
I don't know what I need to put in the command line in audacity to make this work....any suggestions?
Thanks -
Save it as a multi-channel WAV, then from the command line run
Code:FFmpeg -i input.wav output.acc
Code:ffmpeg -i input.wav -c:a aac -strict -2 -b:a 448k output.aac
Last edited by davexnet; 27th Feb 2021 at 15:51.
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