> Well I've verified that mythtvsetup is set to use NTSC, I need to check
> the actual DB to make sure it's set appropriately there, however I'm
> leaning away from it being a Mythtv issue.
>
> I can stop the mythtv backend process, unload/reload the ivtv module,
> tune to a channel with ivtv-tune and test audio by checking the mute
> status ivtvctl -Y as well as doing cat /dev/video0 > test.mpg will not
> have audio but doing the same thing from /dev/video1 on the same channel
> will have audio.
>
> However both seem to be detecting the audio standard as EIAJ and the
> specified standard as NTSC-J.
>
> I looked last night for any ivtvctl or ivtv module options to force the
> audio standard, but had no luck.
>
> Can anyone point me in the right direction?
You can force the TV standard using the ivtv ntsc=m module option, but
still it shouldn't be necessary. What does ivtvctl -U say before and after
running MythTV?
Hans
>
> Thanks!
> Berant
>
> Hans Verkuil wrote:
>
>>What application are you using to record or view or whatever? Check what
>>it thinks the TV standard is. I suspect it is set to V4L2_STD_NTSC_M_JP
>>instead of plain V4L2_STD_NTSC_M.
>>
>> Hans
>>
>>
>
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>
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