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AudioVolume – FFmpeg
https://trac.ffmpeg.org/wiki/AudioVolume#:~:text=Audio%20Volume%20Manipulation%201%20Changing%20volume.%20To%20change,max_volume%3A%20-5.0%20dB%20...%203%20Loudness%20Normalization.%20
AudioVolume - FFmpeg
https://trac.ffmpeg.org/wiki/AudioVolume
Audio Volume Manipulation Changing volume. To change the audio volume, you may use FFmpeg's volume audio filter. If we want our volume to be half of the input volume: ffmpeg -i input.wav -filter:a "volume=0.5" output.wav 150% of current volume: ffmpeg -i input.wav -filter:a "volume=1.5" output.wav You can also use decibel measures.
How to change audio volume up-down with FFmpeg – FFmpeg
https://trac.ffmpeg.org/wiki/How%20to%20change%20audio%20volume%20up-down%20with%20FFmpeg
Note: See TracWiki for help on using the wiki. Download in other formats: Plain Text; Powered by Trac 1.4.2 By Edgewall Software.. Visit the Trac open source project at
Increase volume in video using ffmpeg – Bytefreaks.net
https://bytefreaks.net/uncategorized/increase-volume-in-video-using-ffmpeg
A quick note on how to boost the audio stream in a video using the volume filter in ffmpeg #;For newer versions of ffmpeg ffmpeg -i input.mkv -filter:a "volume=4.0" output.mkv; #For older versions of ffmpeg (we use multiples of 256) ffmpeg -i input.mkv -vol 1024 -vcodec copy output.mkv; Using the above command we were able to make the audio LOUDER!
c# - Increase/Decrease audio volume using FFmpeg - …
https://stackoverflow.com/questions/37570129/increase-decrease-audio-volume-using-ffmpeg
What you need to do is build a filter graph and process the audio stream through that graph. In your case, the graph is just INPUT ("abuffer") -> VOLUME -> OUTPUT ("abuffersink"). Here is a sample console app that demonstrates that. It's loosely based on ffmpeg samples filtering_audio, filter_audio and remuxing. You can use it like this:
Use ffmpeg to detect audio volume level. bat file included ...
https://gist.github.com/xycui/7d114ccffa554c580b981fc6a1818339
Detect the audio file volume with ffmpeg. Require tools ffmpeg: Official site, Download How to use Download ffmpeg from link Extract the ffmpeg.exe from zip package and copy to the directory contain the audio file Copy the volumeDetect.bat into the folder. (Just make sure the bat file and ffmpeg.exe are in the same directory)
How can I normalize audio using ffmpeg? - Super User
https://superuser.com/questions/323119/how-can-i-normalize-audio-using-ffmpeg
First you need to analyze the audio stream for the maximum volume to see if normalizing would even pay off: ffmpeg -i video.avi -af "volumedetect" -vn -sn -dn -f null /dev/null Replace /dev/null with NUL on Windows. The -vn, -sn, and -dn arguments instruct ffmpeg to ignore non-audio streams during this analysis.
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