The only buzz I have on my tv card is a 15khz carrier signal from my sony 
trinitron, this is true under both Linux, XP and Window 7 Beta.  I use v4ctl to 
send my audio to my soundcard, which is connecterd to a Creative  "Digital IO 
Module (read transducer) from the soundcard pin plug to spdif, where it 
connects to a Yamaha multizone receiver and a pair of Klipsh Heresy III.s which 
respond up to 23 Khz.  If there were another buzz I'd hear it.  If you can hear 
that 15khz carrier, that may be your buzz, if you can hear it, your ears are 
still good.

I use a combination of ivtvctl, v4ctl to redirect audio and mplayer for 
the video out.
 Thank you, 





Mark F. Kaufman 



----- Original Message ----
From: . . <[email protected]>
To: [email protected]
Sent: Saturday, February 14, 2009 6:52:16 PM
Subject: Re: [ivtv-users] CX18 audio interference

Andy,

For my setup, *I think* the audio buzz is on all NTSC channels. Sometimes the 
audio buzz is difficult to hear because the sound from the actual program masks 
the audio buzz away. Also, the volume of the audio buzz differs from channel to 
channel.

Thanks for providing some troubleshooting steps. Do I enable tuner, 
tuner-simple, and cx18 debug (info, debug, i2c, and mailbox) with this cx18 
kernel option: debug=83?

Thanks.

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