[mythtv-users] My Ceiling Fan Controls My Mythtv Sound :(
Nick Rout
nick at rout.co.nz
Mon Jul 31 10:18:35 UTC 2006
Fantastic, you have my electrician!
Give him back sometime, my stuff needs fixing.
Sorry I am not really any help am I?
On Sun, 30 Jul 2006 11:31:50 +0530
Gucchu Gul Lalwani <gglalwani at gmail.com> wrote:
> Hi,
>
> Strangely but I have no audio on Mythtv. To get audio I need to turn on
> and off my ceiling fan, in short have a some kind of electrical
> interference or surge generated. The clicking sound through the Desktop
> speakers, is followed by TV channel audio output. This is 100% reproducible.
>
>
> Before I mention the setup/hardware, I will like to mention Kradio works
> perfectly fine on the same Tv Tuner card and Motherboard based Sound
> card. I run Windows XP on the same machine and I see no issues with the
> hardware.
>
> Hardware:
>
> 1 Sound Card:
> Model: .Elitegroup Sound Controller, Vendor: Silicon Integrated Systems
> Corp; SIS 7012.
> Running ALSA 1.0.10-0
> 2. TV Tuner Card
> BT878 Prolink Pixel ViewPlayTv Pro.
> Vendor: Brooktree Corporation
> Card Configuration
> BTTV Card =72, (Prolink Pixelview PV-BT878P+9B (PlayTv Pro rev.9B FM+NICAM)
> Tuner = 58 (Ymec TVision TVF-8531MF/8831MF/8731MF) [My Tuner is TVF-8831
> B/DFF, I did not find the exact tuner support in bttv documentation]
>
> OS and Configuration
>
> 3. Running SUSE 10.0 Kernel version 2.6.13-15-default
> KDE version 3.4.3-27.2 i586
> Mythtv 0.19-1
>
> 4. modprobe enteries
> optionss bttv card=72 tuner=58 pll=1 radio=1
> alias char-major-89 i2c-dev
>
> 5. Reading somethreads about KDE and audio issues with TV applications
> I confirmed the following is having a modular support in my default kernel.
>
> * the *snd_bt87x.ko* driver for the Audio (CONFIG_SND_BT87X: in
> Device Drivers -> Sound -> ALSA -> PCI Devices -> bt87x Audio
> Capture)
> o If you use the obsolete OSS system instead of ALSA, you want
> CONFIG_SOUND_BT878 (in Device Drivers -> Sound -> OSS -
> bt878 audio DMA, /and/ Tv card (bt848) mixer support)
> * I²C Support (Device Drivers -> I²C Support -> I²C Support and I²C
> bit-banging interfaces)
> * the *bttv.ko* driver, under Video4Linux (CONFIG_VIDEO_BT848:
> Device Drivers -> Multimedia devices -> Video For Linux -> BT848
> Video For Linux) (you HAVE to activate I2C support in order that
> BT848 appears in the menu)
>
> Do we know if there is a bug fix available? Please suggest if I need to
> migrate to another version of software to fix the issue on my computer
> or tweak some settings?
>
>
> Thanks,
>
> Gucchu
>
>
>
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