https://bugs.kde.org/show_bug.cgi?id=431269
Bug ID: 431269
Summary: Audio from some input videos is very glitchy,
originals are fine, fixed by importing the audio
separately
Product: kdenlive
Version: git-master
Platform: Appimage
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Video Display & Export
Assignee: j...@kdenlive.org
Reporter: darxus-...@chaosreigns.com
Target Milestone: ---
I have reproduced this with the latest release
(kdenlive-20.12.0-x86_64.appimage) and what was the latest daily yesterday
(kdenlive-21.03.70-984f452-x86_64.appimage)
Some clips have really glitchy audio. Additional noises that shouldn't be
there, chunks of sound that might be backwards. I can hear these problems both
in the plaback in kdenlive, and the rendered output. I tried deleting the clip
entirely from the project, saving, exiting, reloading, then re-adding the clip,
no change.
I worked around it by extracting the audio with this command, and adding it
separately, which worked fine: ffmpeg -i *4519* -vn -acodec copy
output-audio.aac
I'm attaching samples this is happening for. An original that sounds fine
through mpv, and the same thing just added to a kdenlive project and exported.
An awful lot of the audio processed by kdenlive seem not quite right, this is
just an example of where it is more noticable.
The source is an LG G6, using the stock LG camera app. mp4,
Selected audio codec: [ffaac] afm: ffmpeg (FFmpeg AAC (MPEG-2/MPEG-4 Audio))
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