Reference mix is on top; our mix is on bottom. These are normalized to -1 dB peak, because I am specifically evaluating the mix. (If I just wanted to compare how they sounded and which I preferred, then it would make sense to normalize to perceived loudness, the default for #ffmpeg-normalize.)
Our mix has more dynamic range, prob too much. That fits _my_ tastes, but it's not what the market prefers. You can see some limiting in the ref mix, but not excessive.
#orca, #supercollider, #vcvrack. amateur noise maker. sometimes make some visuals with #ffmpeg or #processing
Por algún motivo te tenía sin seguir, y hoy me he dado cuenta. Mis disculpas por las molestias causadas.
I was puzzling over why so many of my spoken word audio tracks were suddenly so muted, and I thought I was going to have to re-process all 70 of them.
Y'all, the bluetooth volume on my phone was set low.
XD
But at least now I know how to batch-detect quiet tracks with #ffmpeg!
@Edent
If I got the video in binary form, I could read enough of the #ffmpeg man page to adjust the brightness and contrast myself. The results wouldn't be as good as a specialist could produce, certainly, but they'd be enough to tell me whether the enhanced video could plausibly have been derived from the original.
For non-geeks, my answer is quite different: we can't be sure of any evidence presented in court, because witnesses, police officers and experts could be lying. That's why we have perjury laws with such stiff penalties. If you can't get your hands on the evidence yourself, you ultimately have to trust the system.
Here is the magic incantation I've found creates the best animated gifs for use as emojis in Slack. Powered by @kornel 's gifski:
ffmpeg -i INPUT.gif -vf "format=yuv420p,scale=128:128" -f yuv4mpegpipe - | gifski -Q 55 -o OUTPUT-compressed.gif -
Make quality -Q vary until size is just below ~128k. For some reason, Slack's limit is not exactly 217, but not 128000 either.
I'm going to play with this powerful ffmpeg feature time stretching
Make sure lib-rubberband is enabled at compilation time of FFmpeg!
'ffmpeg input.mp4 -filter_complex "[0:v]setpts=2.0*PTS[v];[0:a]rubberband=tempo=0.5:pitch=0.5[a]" -map "[v]" -map "[a]" output-tempo-pitch-0.5.mp4'
#POSIX #FFmpeg #Linux #OpenSource #bash
https://ffmpegbyexample.com/examples/749f6u35/timestretch_audio_and_video_using_rubberband_filter/
#ffmpeg nachinstalliert. Das löste das Problem unter #Windows. Hat aber auch nicht geholfen. Wahrscheinlich bleibt mir nix anderes übrig, als extra dafür nun eine VM mit Windows aufzusetzen. Wollte ich eigentlich nicht.
Leider habe ich keine Video Schnittsoftware als #Opensource gefunden, die die Features von Cuttermaran bietet.
* Schnitt auch auf B-Frame
* Geschnittene Videos werden nur kopiert. Nur die Schnittstellen werden über den #Encoder geschleust.
Any idea?
Dear sound/audio folks and engineers,
I have a directory with 3.5GiB of audio files (chiefly opus & m4a) which are spoken word recordings.
Some of them are quite low, and some of them are quite dynamic such that it's a whisper at times and nearly a shout at other times.
I've processed a lot of them with #audacity's compressor filter or #ffmpeg (ffmpeg -i audio.m4a -filter:a "speechnorm=e=50:r=0.0001:l=1" audio-normalized.m4a), but there are some unprocessed files in the collection, which are a pain to individually find and fix.
Is there a way from the #CommandLine to detect the loudness and/or dynamic range of audio files so that I can automatically flag them for processing with ffmpeg?
Thanks!!
Serving #streaming #video that adapts to bandwidth from your own website - https://www.kryogenix.org/days/2025/04/16/serving-streaming-video-that-adapts-to-bandwidth-from-your-own-website/
I've installed the statically linked version. Now I rock the latest version of ffmpeg
Tomorrow is a new day!! I’ve got so much I want to do… especially appreciating more! That will be a start!!
This error in MX Linux KDE edition is now annoying
I cant work without ffmpeg and Im NOT going to install a programming ENV: just to build one programma
>>
$ sudo apt install ffmpeg
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Suggested packages:
ffmpeg-doc
The following NEW packages will be installed:
ffmpeg
0 upgraded, 1 newly installed, 0 to remove and 2 not upgraded.
Need to get 1,816 kB of archives.
After this operation, 2,437 kB of additional disk space will be used.
Get:1 http://deb.debian.org/debian bookworm/main amd64 ffmpeg amd64 7:5.1.6-0+deb12u1 [1,816 kB]
Fetched 1,816 kB in 2s (992 kB/s)
Selecting previously unselected package ffmpeg.
(Reading database ... 342056 files and directories currently installed.)
Preparing to unpack .../ffmpeg_7%3a5.1.6-0+deb12u1_amd64.deb ...
Unpacking ffmpeg (7:5.1.6-0+deb12u1) ...
Setting up ffmpeg (7:5.1.6-0+deb12u1) ...
Processing triggers for man-db (2.11.2-2) ...
metalloid@bugrupola:~
$ ffmpeg
ffmpeg: error while loading shared libraries: libavcodec.so.59: cannot open shared object file: No such file or directory
<<
Who knows a fix apart from compilation?
#ffmpeg template (in development) containing all commands for fast and simple editing of snippets, in this case with the files to create the audio file above this comment:
leak_bitPicRecovery_mdCC.mp3
media.tupambae.org/colaborator…
original template:
media.tupambae.org/colaborator…
@deusfigendi
So viel zu den quantenphysischen Momenten wenn ein Kommntar ueber duckduckgo-AI im Stream just in den work flow passt .. :)
I made a video and an audio track sound. I synchronized the two with ffmpeg. They are well in sync on my (linux) and on a friend's (mac) laptop.
But when I load and read it on my (android) phone, the audio is slightly (.1-.2 sec?) but visibly out of sync. I can't upload this on Loops. Annoying. Any one has an idea of what I can do?
Here is the new #Development #PC Build:
- #AMD #Ryzen 7 7700X
- #Gigabyte B650 Gaming X AX V2
- #GSkill 32GB DDR5 PC-6000
- #Samsung 990 Evo Plus 1TB
- #Thermalright Peerless Assassin 120 SE
- #LianLi Lancool 2007 Case
- #MSI MAG A750BE PSU
- @kde Neon
Went w/ integrated graphics for the time being & it is more than I need. Does #3dprinting slicing & drawing just fine, #virtualization just fine, #ffmpeg & the little bit of video editing I do. Blows the old i7-6700 w/ 16GB out of the water!
I still can't make mpv work again...
I don't know if it is still broken for everyone or if I have broken it even more...
I dropped the old version of libtheora as suggested and messed around with the symlinks and I don't know how to get it back to "normal".
(I use multilib, alienbob and kde6 repos)
I currently have this mess in /lib64:
MTS files are a common container format for high-definition video, often used by HD camcorders, and can be played with various media players like VLC, or converted to other formats like MP4 using Handbrake or FFmpeg. Video editors like Kdenlive, Flowblade and Shortcut also support editing MTS files.
Checking my download of tonight's #Monsterdon and it is REALLY shaky. I found this blog on how to do #video stablization with #ffmpeg. I love the way it shows how to make a side-by-side comparison video. This is 10 seconds of the opening credits. original on the left, stabilized on the right.
