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Mencoder stopped recording sound with PCTV
https://www.linuxquestions.org/questions/linux-software-2/mencoder-stopped-recording-sound-with-pctv-713775/
to record tv, which worked quite ok until I upgraded from Debian etch to Debian lenny. Now video is recorded, but the sound is missing. If I try to watch tv using > sox -t ossdsp -r 48000 -q -b -c 2 /dev/dsp2 -t ossdsp /dev/dsp > tvtime I can watch tv with sound, so I guess that mencoder is failing to grab the audio.
Mencoder doesn't record sound (after upgrading to lenny ...
https://forums.debian.net/viewtopic.php?t=37396&start=15
I'm not familiar with TV recordings, the command below is only to test mencoder and it grabs the tv channel which TvTime is using, but I can not watch at same time. Code: Select all mencoder tv:// -o tv.avi -ovc lavc -oac mp3lame -tv driver=v4l2:width=704:height=480:norm=PAL …
extract audio from video file using mencoder
https://www.linuxquestions.org/questions/linux-newbie-8/extract-audio-from-video-file-using-mencoder-860140/
Code: ffmpeg -i The.Negotiator.mkv sound.mp3. I get 64.9MB file. If I analyse both file i see. Code: file sound-* sound-ffmpeg.mp3: Audio file with ID3 version 2.4.0, contains: MPEG ADTS, layer III, v1, 64 kbps, 48 kHz, JntStereo sound-menc.mp3: MPEG ADTS, layer III, v1, 32 kbps, 48 kHz, JntStereo.
Mencoder audio problem with MythTv and Hauppauge HVR 1600 ...
https://forum.videohelp.com/threads/297337-Mencoder-audio-problem-with-MythTv-and-Hauppauge-HVR-1600
AUDIO: 32000 Hz, 2 ch, s16le, 384.0 kbit/37.50% (ratio: 48000->128000) Selected audio codec: [ffmp2] afm: ffmpeg (FFmpeg MPEG layer-1 and layer-2 audio decoder) ===== ===== Opening video filter: [expand osd=1] Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
6.1. Selecting codecs and container formats
http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-selecting-codec.html
6.1. Selecting codecs and container formats. Audio and video codecs for encoding are selected with the -oac and -ovc options, respectively. Type for instance: mencoder -ovc help. to list all video codecs supported by the version of MEncoder on your machine. The following choices are available: Audio Codecs: Audio codec name.
(SOLVED) Need mencoder help, certain files have no audio ...
https://forum.videohelp.com/threads/288190-(SOLVED)-Need-mencoder-help-certain-files-have-no-audio
So far, I've got 3 files that after using mencoder, have no audio. I'm using mencoder to size them down for a Creative Labs Zen. The source in this case is a DVD, ripped to an ISO (movie only). The mencoder command I'm using is: Code: mencoder [input filename] -oac mp3lame -ovc xvid -xvidencopts bitrate=-1 -vf scale -zoom -xy 320 -o [output.avi]
MEncoder - LinuxTVWiki
https://www.linuxtv.org/wiki/index.php/MEncoder
MEncoder will also allow you to transcode the stream dump into something more useful, like XviD. Example: To transcode a dump to XviD 800kbps video and MP3 128kbps audio, type: $ mencoder -forceidx -vf scale=640:-2 -ovc xvid -xvidencopts bitrate=800 -oac mp3lame -lameopts cbr:br=128 stream.ts -o output.avi.
MPlayer - The Movie Player
http://www.mplayerhq.hu/DOCS/HTML/en/MPlayer.html
MEncoder cannot be used for audio capture, because it requires a video stream to work. So your can either use arecord from ALSA project or use -ao pcm:file=file.wav . In the latter case you will not hear any sound (unless you are using a line-in cable and have switched line-in mute off).
mencoder(1): movie encoder - Linux man page
https://linux.die.net/man/1/mencoder
# Make MEncoder output to a default filename. o=encoded.avi # The next 4 lines allow mencoder tv:// to start capturing immediately. oac=pcm=yes ovc=lavc=yes lavcopts=vcodec=mjpeg tv=driver=v4l2:input=1:width=768:height=576:device=/dev/video0:audiorate=48000 # more complex default encoding option set lavcopts=vcodec=mpeg4:autoaspect=1 …
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