Hi Steve;
You bring up a good point.
I am running the digital output into a analog connection.
Believe it or not, the digital output from the computer's sound card had a
mini jack.
It's a creative live sound blaster card.
Anthony
----- Original Message -----
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, August 30, 2007 8:44 PM
Subject: Re: LOW LEVEL HUM!!!
> Anthony,
>
> I'm assuming your amplifier doesn't have digital inputs, so you probably
> want to use an analog output from your sound card. An analog output would
> be either the speaker output or the line output if your card has one. If
> your card doesn't have separate jacks, you may be able to select the type
> of
> output either from the Windows Volume Control, or from the sound card's
> own
> control panel which may or may not be easy to access.
>
> Your hum problem is probably the result of a ground loop caused by one or
> more pieces of equipment not sharing a common ground. If your amplifier
> has
> a non-polarized power cord, try reversing the plug to see if the hum goes
> away. If you can't do that, or it doesn't work, try running a piece of
> wire
> between the amplifier's case and the case of the computer. I assume
> you're
> using shielded cable between the sound card and the amplifier, and that
> you're also using a high level input such as CD or Tuner, and not a
> low-level input such as Phono.
>
> If none of these suggestions work, I'm afraid you'll either have to live
> with the hum, or try using a different sound card. Good luck.
>
> Steve
>
> ----- Original Message -----
> From: "Anthony Vece" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, August 30, 2007 19:28
> Subject: LOW LEVEL HUM!!!
>
>
>> Hi Everyone;
>>
>> I am attempting to play my computer through my system.
>>
>> I am getting a low level hum.
>>
>> That's when I play it using the digital jack on the sound card.
>>
>> When I play it through one of the speaker jacks the hum is still there
>> but,
>> it's not as noticeable because the audio level is higher.
>>
>> When I turn the computer off, the hum disappears.
>>
>> When I boot up the computer, the hum is there even before windows comes
>> up.
>>
>> Any ideas?
>>
>> 73 De Anthony W2AJV
>> [log in to unmask]
>> ECHOLINK NODE NUMBER: 74389
>>
>>
>>
>
|