tv card + mplayer -> no sound

[Karel Miklav]

I'm trying to setup an AverMedia TV card with mplayer, but can't turn
the sound on. Audio comes from external line (cable between tv card an
SoundBlaster Live) and it works fine with other tv players.

Fiddling with mixer doesn't help; it looks like sound must be enabled on
the card somehow but mplayer doesn't do it. Does anybody have any
experience with this?

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Regards,
Karel Miklav