John Welch wrote:
Hello all,
I have been trying to setup Freevo to record TV shows, but I'm running into some problems. I've worked through most of my issues, but now my big stumbling block is that I cannot get any sound to record.
Maybe you could list up these issues and how you solved them (where you found the information to solve it.. and stuff) Could help streamlining the installation for other people.
My tv tuner card is a Leadtek Winfast TV2000 XP Expert, which uses the cx88 drivers. This particular version of the card has an on-board audio out connection that goes directly to my sound card.
I can watch and hear TV just fine with tvtime (also used in my Freevo configuration) and xawtv. However, when I try watching TV with mplayer I get a picture, but no sound. The no sound problem carries over to when I try to record with mencoder, which is activated in my Freevo configuration, and also streamer (part of the xawtv package).
At this point I'm working outside of Freevo with mplayer and mencoder at the command line level trying various options, but have not hit upon anything that works yet.
I know this is not a Freevo specific issue, but I'm hoping that someone on the list has experienced similar problems and come up with a solution.
Thanks in advance.
John
You should check your mixer settings. I find aumix to be a great utility for this, as it is commandline, and works equally well for both oss and alsa. Check to see if the IGain of your card is turned up while recording. This control sets the input volume from the recording source (which you should also make sure is set to Line, or which ever input you use). While watching TV however, the soundcard internal loopback is used, which is controlled by the Line controller in aumix, hence if your line is turned up and your IGain is at 0 youd get sound while watching, but not while recording.
Sollution is to set Line to 0 and IGain to 90 (100 tends to distort sound slightly, at least on my card) while recording and Line to 100 and IGain to 0 while watching TV. (not really sure if IGain has to be 0 here, but just in case..) you can use the VCR_PRE_CMD and VCR_POST_CMD in your local_conf.py to execute these mixersettings.
best of luck :)
- Jesper
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