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Linux Audio Recording
https://thenerdshow.com/audio.html#:~:text=Sox%20is%20also%20capable%20of%20noise%20reduction.%20sox,a%20noise%20gate%20instead%2C%20which%20some%20people%20prefer.
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 tmpaud.wav
audio - How to clear background noises with sox - Unix ...
https://unix.stackexchange.com/questions/425853/how-to-clear-background-noises-with-sox
If the background noise has some repetitive structure to it, you can remove it with the noiseprof and noisered effects of sox, see e.g. this script. Relevant bits repeated for convenience: # Create background noise profile from mp3 /usr/bin/sox noise.mp3 -n noiseprof noise.prof # Remove noise from mp3 using profile /usr/bin/sox input.mp3 output.mp3 noisered …
GitHub - daizyu/sox-normalize-noise-reduction
https://github.com/daizyu/sox-normalize-noise-reduction
{SOX_PATH}\calibration.exe {Your Wave File} Noise reduction. please put noise reduction wave file {SOX_PATH}. Reduction wave file names are. noise1.wav; noise2.wav; noise3.wav:: noise9.wav; How to create noise reduction wave file. Please create only noise wave after calibrate using Wave File Editor. My recomended Wave File Editor is Audacity.
Noise Cancelled Microphone with SoX – CloudACM
https://www.cloudacm.com/?p=3180
Don’t despair, SoX will be used to apply the noise filtering later. gnome-terminal -e "ffmpeg -f alsa -ac 1 -ar 44100 -i hw:1,0 -t 10 '/home/local/Desktop/Dual Microphone Noise Cancellation/USB_Mic_1.wav'" && gnome-terminal -e "ffmpeg -f alsa -ac 1 -ar 44100 -i hw:2,0 -t 10 '/home/local/Desktop/Dual Microphone Noise Cancellation/USB_Mic_2.wav'"
Remove noise from video using sox and ffmpeg · GitHub
https://gist.github.com/jace/88b81c51cd8044409ddbce97d582eaac
Remove noise from video using sox and ffmpeg. # 1. extract audio from all videos (assuming .mp4 videos). # 2. use the first second of the first audio file as the noise sample. # 3. clean the audio with noise reduction and normalise filters. # 4. re-insert audio into the videos.
audio - SoX: How to noise gate? - Stack Overflow
https://stackoverflow.com/questions/18985952/sox-how-to-noise-gate
From the sox man page, you can hack the compand dynamic range compressor to only gate the noise. sox infile outfile compand .1,.2 −inf,−50.1,−inf,−50,−50 0 −90 .1. breaking down the format: .1,.2 attack1,decay1 {,attack2,decay2} attack and decay are set to small values of .1 and .2, which basically sets the window size.
How to process audio files from the command line with …
https://www.yesik.it/blog/2018-sox
sh$ sox --combine multiply \ dual-mono.wav sin.wav \ -d. Formally speaking, we are modulating the amplitude of the double-mono input file with the sin wave. As a consequence, you may now hear the sound going from left to right and back in the stereo space.
SoX - Sound eXchange | HomePage
http://sox.sourceforge.net/
SoX is a cross-platform (Windows, Linux, MacOS X, etc.) command line utility that can convert various formats of computer audio files in to other formats. It can also apply various effects to these sound files, and, as an added bonus, SoX can play and record audio files on most platforms. The screen-shot to the right shows an example of SoX first being used to process …
audio - Cleaning voice recordings from command line ...
https://unix.stackexchange.com/questions/140398/cleaning-voice-recordings-from-command-line
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 somewhere between 0.20 and 0.30, over 0.3 is very aggressive, under 0.20 is kind of soft and works well for very noisy …
sound - Realtime noise-removal with PulseAudio? - Ask …
https://askubuntu.com/questions/18958/realtime-noise-removal-with-pulseaudio
First you need to create a noise profile for SoX. Just use any audio recording program to record a few seconds of noise, then cd into the directory you saved it to and do sox noise.wav -n noiseprof noise.prof. Then you need to create an ALSA loopback device: sudo modprobe snd_aloop
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