Audacity Forum

... 10 posts. Have I got this correct and can you fill in some of the blanks: You have a M4A video file of length <...blank...> With standalone FFMpeg you convert the M4A video to M4A Audio format You import the M4A audio file in Audacity - Audacity says that it is 52m 43.392 seconds. You import ...

... your post so I'll just answer you straight in line here. I posted my exact extracting method above. Yes, the standalone, command line version, of ffmpeg. Yes then I load that mp4 audio file into audacity. No I'm not importing the video file into audacity. Using the command line ffmpeg is my standard ...

... audio file here - http://www.4shared.com/video/urfIkyjm/20130609235524audioonly.html (note that this is extracted from the video file with ffmpeg using the 'audio copy' codec. ) This is the command line used "ffmpeg.exe -i inputfilename.mp4 -acodec copy -map 0:0 outputfilenameaudioonly.mp4". ...

I use ffmpeg to extract the audio track from the mp4 video file, then when I process it in Audacity 2.0.3 and then save the resulting m4a file, the length of the track is shorter by about 2 seconds of a 53 minute recording. ...

... here for help, please. I'm getting a gradual desync introduced from the audio track I'm editing of longer video files (gameplay recordings). I use ffmpeg to extract the audio track from the mp4 video file, then when I process it in Audacity 2.0.3 and then save the resulting m4a file, the length ...

... and I think you can do it in Windows Media and I know you can do it in iTunes for Windows. Did you miss the instructions for installing lame and FFmpeg? http://manual.audacityteam.org/o/man/faq_installation_and_plug_ins.html#lame http://manual.audacityteam.org/o/man/faq_installation_and_plug_ins.html#ffdown

Hello , Using these downloaded files : audacity-win-2.0-ansi.exe FFmpeg_v0.6.2_for_audacity_on_Windows.exe LADSPA_plugins-win-0.4.15.3xe LAME_v.3.99.3_for_Windows.exe (1) How to get Audacity to load an audio track from a CD into the wave form screen for ...

hi Gale

worked a treat, thank you very much.

I have a 30 hour drive ahead of me and the only audio I can take with me are either .wma – or an ancient cassette tape player!

... editing the VOB's you will probably want to demux the audio to a single audio file. Audacity can import VOB files or demuxed audio if you install FFmpeg ( http://manual.audacityteam.org/o/man/faq_installation_and_plug_ins.html#ffdown ) . Gale

... want it to perform miracles or do forensic jobs and it won't do either one. While Audacity will open the sound tracks to many movie types with the FFMpeg software installed, Audacity will not produce, or write to, or modify a video file. Once you produce your patched sound track, Export as a WAV, ...