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Old 09-25-2010, 02:01 PM   #1
Registered: Nov 2009
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record audio from youtube video with EQ to Lossless format?

What I'd like to do is take a saved youtube video, play it with VLC or another player with EQ and record the audio to a Lossless format. And then use that audio in a Kdenlive project (which will be uploaded to youtube as a new video.)

Any ideas on how to do this, and/or which apps to use?
Old 09-25-2010, 02:11 PM   #2
Registered: Aug 2009
Location: England
Distribution: Fedora 13
Posts: 73

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You could just use
It lets you convert a video into any format you like, custom bitrate, ID3 V2 tags, and you can even choose where to start converting and where to end it.
It supports:
  • MP3
  • AAC
  • WMA
  • M4A
  • OGG
  • MP4
  • 3GP
  • AVI
  • MPG
  • WMV
  • FLV

So it'd be much easier just to use ClipConverter than doing what you're wanting to do.
Old 09-25-2010, 02:12 PM   #3
Registered: Nov 2009
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What about the Equalization? That is crucial to my task.
Old 09-26-2010, 05:01 AM   #4
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Why not just extract the audio with ffmpeg or mencoder, then you can use mencoder to apply an equalizer audio filter. If you want a GUI try avidemux.
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Old 09-27-2010, 09:02 AM   #5
Registered: Aug 2010
Location: Netherlands
Distribution: Kubuntu, Debian, Suse, Slackware
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Just as texmex said. Use ffmpeg to extract the audio.
ffmpeg -i input.flv  output.flac
Works great for me.

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Old 01-01-2013, 02:45 PM   #6
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Registered: Jan 2013
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the one which works similar, but much quicker:
avconv -i input.mp4 -acodec copy output.aac
Old 01-01-2013, 03:29 PM   #7
Senior Member
Registered: Oct 2004
Distribution: FreeBSD Arch
Posts: 1,737

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youtube-dl -F
[youtube] Setting language
[youtube] aaDDMj-T6F8: Downloading video webpage
[youtube] aaDDMj-T6F8: Downloading video info webpage
[youtube] aaDDMj-T6F8: Extracting video information
Available formats:
34      :       flv     [360x640]
18      :       mp4     [360x640]
43      :       webm    [360x640]
5       :       flv     [240x400]
17      :       mp4     [144x176]
Any of these will get you an audio dump of the video without re encoding. (Small video of wolf howling)
youtube-dl -f 18 && mencoder aaDDMj-T6F8 -oac copy -ovc copy -of rawaudio -o OutputFile.aac
youtube-dl -f 18 && ffmpeg -i aaDDMj-T6F8 -vn -c:a copy OutputFile.aac
file.aac will have same name as video. Need ffmpeg installed.
youtube-dl -f 17 -x
file aaDDMj-T6F8.aac
aaDDMj-T6F8.aac: MPEG ADTS, AAC, v4 LC, 22.05 kHz, monaural
mplayer -vf help
  eq             : soft video equalizer
  eq2            : Software equalizer
Look at
youtube-dl -h
man ffmpeg
man mplayer

Last edited by teckk; 01-01-2013 at 03:30 PM.
Old 01-01-2013, 03:37 PM   #8
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Distribution: FreeBSD Arch
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Sorry, I just noticed that I replied to a 2 year old post. Don't worry, I'll flog myself.


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