Re: [mythtv-users] Sound Levels from my Myth box

2005-03-16 Thread Mark Matula
On Tue, 15 Mar 2005 [EMAIL PROTECTED] wrote:

> went to KMix and turned down the volume.  It did lower the audio volume,
> but did not effect the "placement" of the 60Hz hum.  So now even though
> the DVD/VCR/Myth Volume levels are comparable, the hum kicks in at about
> half the standard volume when I am on the Myth box.

If it's a tru 60-cycle-hum, it could be caused be a ground loop.  Try a
google search with these terms: ground loop computer soundcard

The first hit I saw had pretty good information.

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Re: [mythtv-users] Sound Levels from my Myth box

2005-03-16 Thread Tu Holmes

--- [EMAIL PROTECTED] wrote:
> This is a "trivial, yet annoying" audio issue that I
> am experiencing.  My 
> Myth box is louder than all of my other components. 
> When I flip my crappy 
> Technics receiver to from my DVD player to my Myth
> box, I get what I have 
> always called a 60Hz hum and have to turn the
> receiver volume way down. 
> So, thinking to set the volume levels to the same as
> my DVD and VCR, I 
> went to KMix and turned down the volume.  It did
> lower the audio volume, 
> but did not effect the "placement" of the 60Hz hum. 
> So now even though 
> the DVD/VCR/Myth Volume levels are comparable, the
> hum kicks in at about 
> half the standard volume when I am on the Myth box. 
> 
> The sound is coming out of the 3.5mm onboard sound
> socket on my ASUS 
> A7N8X-E Deluxe motherboard.  Yeah, I know its a
> waste, but I can't upgrade 
> my ancient crappy Technics receiver until September.
>  In the interim, are 
> there any sound settings I might try? 
> 
> thanks
> jw

Do you have a microphone? I've noticed that with a
microphone enabled I get a nasty hum... Turn that
channel off, and bam... It's a-ok.

Not sure if your setup has one, but just in case, I
thought I'd throw this out there.

-Tu




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Re: [mythtv-users] Sound Levels from my Myth box

2005-03-15 Thread Tom Lichti
John Williams wrote:
On Tue, 15 Mar 2005 15:51:25 -0500, [EMAIL PROTECTED]
<[EMAIL PROTECTED]> wrote:
This is a "trivial, yet annoying" audio issue that I am experiencing.  My
Myth box is louder than all of my other components.  When I flip my crappy
Technics receiver to from my DVD player to my Myth box, I get what I have
always called a 60Hz hum and have to turn the receiver volume way down.  So,
thinking to set the volume levels to the same as my DVD and VCR, I went to
KMix and turned down the volume.  It did lower the audio volume, but did not
effect the "placement" of the 60Hz hum.  So now even though the DVD/VCR/Myth
Volume levels are comparable, the hum kicks in at about half the standard
volume when I am on the Myth box.   
I had the same problem, and it appeared to be a grounding issue 
somewhere. Once I plugged a cable into the output of my cable box, the 
hum went away (at least I think that was what did it). I only found it 
by fluke...
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Re: [mythtv-users] Sound Levels from my Myth box

2005-03-15 Thread John Williams
On Tue, 15 Mar 2005 15:51:25 -0500, [EMAIL PROTECTED]
<[EMAIL PROTECTED]> wrote:
>  
> This is a "trivial, yet annoying" audio issue that I am experiencing.  My
> Myth box is louder than all of my other components.  When I flip my crappy
> Technics receiver to from my DVD player to my Myth box, I get what I have
> always called a 60Hz hum and have to turn the receiver volume way down.  So,
> thinking to set the volume levels to the same as my DVD and VCR, I went to
> KMix and turned down the volume.  It did lower the audio volume, but did not
> effect the "placement" of the 60Hz hum.  So now even though the DVD/VCR/Myth
> Volume levels are comparable, the hum kicks in at about half the standard
> volume when I am on the Myth box.   
>  
> The sound is coming out of the 3.5mm onboard sound socket on my ASUS A7N8X-E
> Deluxe motherboard.  Yeah, I know its a waste, but I can't upgrade my
> ancient crappy Technics receiver until September.  In the interim, are there
> any sound settings I might try?   
>  
> thanks 
> jw 

Joe,
I've noticed a similar hum in my box, but it is connected directly to
my TV from the sound card. I have decided mine was from the on board
sound having a lot of electrical noise from the other stuff in the
box. Mine even gets worse when the panel goes shows on screen, so it
may even be coming from my video card or the AGP traces??

I'm anxious to hear the answers you get.
John Williams

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[mythtv-users] Sound Levels from my Myth box

2005-03-15 Thread joe . white

This is a "trivial, yet annoying"
audio issue that I am experiencing.  My Myth box is louder than all
of my other components.  When I flip my crappy Technics receiver to
from my DVD player to my Myth box, I get what I have always called a 60Hz
hum and have to turn the receiver volume way down.  So, thinking to
set the volume levels to the same as my DVD and VCR, I went to KMix and
turned down the volume.  It did lower the audio volume, but did not
effect the "placement" of the 60Hz hum.  So now even though
the DVD/VCR/Myth Volume levels are comparable, the hum kicks in at about
half the standard volume when I am on the Myth box.  

The sound is coming out of the 3.5mm
onboard sound socket on my ASUS A7N8X-E Deluxe motherboard.  Yeah,
I know its a waste, but I can't upgrade my ancient crappy Technics receiver
until September.  In the interim, are there any sound settings I might
try?  

thanks
jw___
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