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Reduce background noise and optimize the ... - Super User

    https://superuser.com/questions/733061/reduce-background-noise-and-optimize-the-speech-from-an-audio-clip-using-ffmpeg#:~:text=FFmpeg%20now%20has%203%20native%20filters%20to%20deal,in%20audio%20samples%20using%20a%20Non-Local%20Means%20algorithm
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Remove or reduce noise from a recorded audio using …

    https://stackoverflow.com/questions/12794645/remove-or-reduce-noise-from-a-recorded-audio-using-ffmpeg

    Reduce background noise and optimize the ... - Super User

      https://superuser.com/questions/733061/reduce-background-noise-and-optimize-the-speech-from-an-audio-clip-using-ffmpeg
      ffmpeg doesn't have any decent audio filters for noise-reduction built in. Audacity has a fairly effective NR filter, but it's designed to be used with 2-pass operation with a sample of just the noise, and then the input.

    How To Do Noise Reduction Using ffmpeg And sox ...

      http://www.zoharbabin.com/how-to-do-noise-reduction-using-ffmpeg-and-sox/
      Follow the steps below to remove background audio from videos. First get and install the tools: FFMPEG. SoX – Sound eXchange. Then clean your noise! Split the audio and video streams into 2 seperate files: The VIDEO stream: ffmpeg -i input.mp4 -vcodec copy -an tmpvid.mp4 The AUDIO stream: ffmpeg -i input.mp4 -acodec pcm_s16le -ar 128k -vn ...

    ffmpeg - Using an actual audio recording to filter out ...

      https://stackoverflow.com/questions/66541446/using-an-actual-audio-recording-to-filter-out-noise-from-a-video

      FFmpeg noise reduction, removal, and noise filters - 2020

        https://www.bogotobogo.com/FFMpeg/ffmpeg_noise_removal_reduction_filter.php
        ffmpeg -i Albert_Einstein_Nobel.png noise=alls=20:allf=t+u -vf noise_Albert_Einstein_Nobel.png In this chapter, we want to play with a movie clip to make it play faster or slower:

      sound - Remove extra noise from ffmpeg video - Ask …

        https://askubuntu.com/questions/465281/remove-extra-noise-from-ffmpeg-video

        FFmpeg audio filter pipeline for speech enhancement ...

          https://dsp.stackexchange.com/questions/22442/ffmpeg-audio-filter-pipeline-for-speech-enhancement
          Using ffmpeg, I'm recording a talk, its audio with a semi-distant microphone. It makes sense to somewhat enhance the speech clarity, reduce background static and environmental noise, etc., in the most generic terms. What combination of ffmpeg audio filters am I best advised to use to enhance recorded speech? I'm currently using

        Noise cancellation using noise track : ffmpeg

          https://www.reddit.com/r/ffmpeg/comments/sjllez/noise_cancellation_using_noise_track/
          My thought is that I should be able to subtract the "noise" track from the "signal" track to get a clean audio track from my recording. All of my searches about noise reduction bring up results about using algorithms to detect background noise, but I can't find anything about using a specific recording of the noise.

        audio - Cleaning voice recordings from command line ...

          https://unix.stackexchange.com/questions/140398/cleaning-voice-recordings-from-command-line
          ffmpeg -i source.mp3 -ss 00:00:18 -t 00:00:20 noisesample.wav Now make a profile out of that source: sox noisesample.wav -n noiseprof noise_profile_file And finally run the noise reduction on the file: sox source.mp3 output.mp3 noisered noise_profile_file 0.31 Where noise_profile_file is the profile and 0.30 is the value. Values goes best ...

        Reduce Video Noise With ffmpeg command? - VideoHelp

          https://forum.videohelp.com/threads/352541-Reduce-Video-Noise-With-ffmpeg-command
          Because avidemux isn't really an editor, you can do simple cuts, that sort of thing. You just load the video, set video=> mpeg2, filters=>noise , and select one of the filters, adjust the settings to your tastes. If you had to adjust the brightness you can do that first as well.

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