Re: mencoder sound quality - TV recording
Shlomo Solomon <[email protected]>
| Newsgroups | gmane.linux.region.israel |
|---|---|
| Message-ID | <[email protected]> |
Can anyone help? I didn't get any replies to this. On Sun, 3 Jan 2016 09:13:52 +0200 Shlomo Solomon <shlomo-JnZJDTviGbbW6+UHpCy/[email protected]> wrote: > I watch TV on a capture card using either the TVtime GUI or the > following from the CLI: > mplayer tv:// -tv > driver=v4l2:norm=PAL:input=2:amode=1:width=720:height=576:outfmt=yv12:device=/dev/video0 > > > To record from the same card I use mencoder. My problem is that the > audio quality of the recording is not great - hard to describe the > problem but the sound is just not "clean" - sort of an echo. I've > tried many different combinations of options. Here's the best I've > been able to record (but still not great): > > mencoder tv:// -tv > driver=v4l2:device=/dev/video0:norm=PAL:input=2:width=720:height=576:audiorate=48000:outfmt=yv12:alsa=1:adevice=hw.1 > -oac copy -ovc lavc -noskip -vf scale=720:576 -o /tmp/tst.avi > > > 2 "strange" added bits of info. > - part of the mplayer output to the terminal is "Audio: no sound", but > there *IS* good quality sound. > - the mencoder command *DOES* output good sound during the recording > process, but the audio in the recorded file is not great. > > Here's part of the terminal output from mencoder - I suspect it's > related to my problem. > > audiocodec: framecopy (format=1 chans=2 rate=48000 bits=16 B/s=192000 > sample-4) Forcing audio preload to 0, max pts correction to 0. > > > > > -- Shlomo Solomon http://the-solomons.net Sent by Claws Mail 3.11.1 - KDE 4.14.5 - LINUX Mageia 5 _______________________________________________ Linux-il mailing list [email protected] http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il