[mythtv-users] LiveTV capturing speed is too fast
Michael T. Dean
mtdean at thirdcontact.com
Mon Nov 19 20:54:52 UTC 2007
On 11/19/2007 03:48 PM, Jason Barnett wrote:
> I'm running MythTV v0.20.2 on Fedora 7 (64-bit), with a Kworld analog
> capture card (uses the saa7134 chipset). I've gotten the audio and
> video to work, with my mixer settings adjusted in one of two ways.
> The first configuration provided real-time audio with the delayed
> video, which caused one to be out of sync with the other. The second
> configuration caused the video and audio to play in sync, but at a
> fast rate; as though I'm watching and listening while it's fast-forward.
> I read an article
> (http://www.mythtv.org/wiki/index.php/KWorld_Global_TV_Terminator#Problems) that
> suggested if the audio and video work fine in mplayer, then mythtv is
> not configured correctly. Mplayer does in fact play the audio and
> video correctly, but I cannot figure out how to configure mythtv
> differently (in a way that works).
> Does this make sense? If so, how can I get LiveTV to play at a normal
> rate with the audio in sync?
Sounds like you're sending 32kHz audio to a sound card that requires
Easy fix: change your capture settings to capture audio at 48kHz. Real
fix: configure your sound card appropriately (see
for analog sound).
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