If the audio bit depth of the video file is 24 bits and the sampling rate is 96.0 kHz then the command line would be:įor /f "tokens=*" %G in ('dir /b *.mkv') do ffmpeg-normalize -c:a pcm_s24le -ar 96000 "%G"Īudio bit depth of "16" should use pcm_s16le audio codec, Audio bit depth of "24" should use pcm_s24le audio codec, sampling rate of "44100: should use -ar 44100, etc If the audio bit depth of the video file is 16 bits and the sampling rate is 44.1 khz then the command would be:įor /f "tokens=*" %G in ('dir /b *.mkv') do ffmpeg-normalize -c:a pcm_s16le -ar 44100 "%G" I would like to use Mediainfo command line interface to query each video file in the folder first and determine its audio bit depth and audio sampling rate and then use these values to assign the proper audio codec and sampling rate parameters to perform the loudness normalization on each file. This command line will currently normalize the audio (creates an output folder called "normalized") in all video files but I need to manually enter specific values for it to use the proper audio codec and sampling rate. I am using a python script called ffmpeg-normalize (utilizes ffmpeg's loudnorm filter 2pass) to accomplish this currently.
BATCH NORMALISE AUDIO FILES WINDOWS
I would like to create a Windows batch file script to normalize the audio for all videos (mostly.
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