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Adjusting audio with varying loudness (recorded talks ...
https://superuser.com/questions/1303036/adjusting-audio-with-varying-loudness-recorded-talks-with-ffmpeg#:~:text=Use%20dynamic%20compression%20with%20the%20compand%20filter.%20This,get%20quite%20noisy%20signals%20for%20the%20soft%20parts.
Dynamic Range Compression for audio with ffmpeg and ...
https://medium.com/@jud.dagnall/dynamic-range-compression-for-audio-with-ffmpeg-and-compand-621fe2b1a892
ffmpeg takes an input file (in.mp3 in this case), does an audio filter called “compand” with some specific parameters (described later), and then writes it to the “out.wav” file. Note that I used...
Ffmpeg dynamic range compression - Convert Files for Free ...
https://www.goconvertfile.com/ffmpeg-dynamic-range-compression.html
All players have a option to override the Dynamic Range Compression included in some AC3 files. Also ffmpeg have the parameter -drc_scale 0. But with FFAudioSource() we can't override the compression and the decoded volume don't match the source volume when DRC data is present. This is a big problem to transcode audio.
Adjusting audio with varying loudness (recorded talks ...
https://superuser.com/questions/1303036/adjusting-audio-with-varying-loudness-recorded-talks-with-ffmpeg
compand=0|0:1|1:-90/-900|-70/-70|-30/-9|0/-3:6:0:0:0. Here, the second example's options are, specifically: attacks=0|0 decays=1|1 points=-90/-900|-70/-70|-30/-9|0/-3 soft-knee=6 gain=0 volume=0 delay=0. You may adjust the gain to keep the same dynamic processing but adjust it to your baseline input level.
ffmpeg filter for dynamic range compressor | HiFiVision.com
https://www.hifivision.com/threads/ffmpeg-filter-for-dynamic-range-compressor.59977/
I bought a smart tv recently which can play content from removable media and dlna. But the tv does not have a inbuilt dynamic range compressor. When I googled for a solution, I came across Dynamic Audio Normalizer which is a filter built into the recent release of ffmpeg. Ffmpeg is a commandline video encoding/decoding tool.
FFmpeg Codecs Documentation
https://ffmpeg.org/ffmpeg-codecs.html
Dynamic Range Scale Factor. The factor to apply to dynamic range values from the AC-3 stream. This factor is applied exponentially. The default value is 1. There are 3 notable scale factor ranges: drc_scale == 0. DRC disabled. Produces full range audio. 0 < drc_scale <= 1. DRC enabled. Applies a fraction of the stream DRC value.
FFmpeg audio filter pipeline for speech enhancement ...
https://dsp.stackexchange.com/questions/22442/ffmpeg-audio-filter-pipeline-for-speech-enhancement
to apply dynamic range compression and supposedly make the softer passages (above -70dB) louder and the louder ones more even. I understand digital filters are not magic, but I'm looking for something more from ffmpeg's (or LADSPA 's) repertoire to enhance the sound more, make it more resilient to noise, sporadic coughs, perhaps lose the acquired metallic aftersound ...
ffmpeg-normalize 🚀 - RFE: Add ability to do dynamic range ...
https://bleepcoder.com/ffmpeg-normalize/867046112/rfe-add-ability-to-do-dynamic-range-compression-or-document
With value of 1.0 being the least amount of dynamic range and 20.0 would allow the most dynamic range. I was doing tests and then comparing waveform graphs using the command: $ ffmpeg -i test.mkv -filter_complex ""aformat=channel_layouts=mono,showwavespic=s=1000x400"" -frames:v 1 test.png Also …
GitHub - lordmulder/DynamicAudioNormalizer: Dynamic …
https://github.com/lordmulder/DynamicAudioNormalizer
The excessive use of dynamic range compression in many recent productions is also known as the "loudness war". The following waveform view shows an audio signal prior to dynamic range compression (left), after the compression step (center) and after the subsequent amplification step (right).
? normalizing audio volume using new ffmpeg options ...
https://forum.videohelp.com/threads/352067-normalizing-audio-volume-using-new-ffmpeg-options
if anyone knows how to compress the audio range at the same time, some hints would be handy. Assuming your input audio stream is supported through ffmpeg drc routines you can use -drc-scale to influence the drc values. ffmpeg has no audio filter to apply drc during processing other than during the decoding stage.
c# - Noise reduction and compression in streaming audio ...
https://stackoverflow.com/questions/3000642/noise-reduction-and-compression-in-streaming-audio
Following your link, this would be audio compression (data), not dynamic range compression. Need to compress for transmission across Internet (all connections will have high speed Internet), but we need to be able to support a large # of connection via our streaming server, so …
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