Mailinglist Archive: opensuse (3637 mails)

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Re: [SLE] {OT} Mixing audio from 2 SuSE systems into 1 speaker system
  • From: "Peter B. Van Campen" <pbvanca@xxxxxxxxxxxxx>
  • Date: Thu, 10 May 2001 15:56:28 -0500
  • Message-id: <3AFB007C.2767F509@xxxxxxxxxxxxx>
Dear Jon,

Thanks! Your sugg to use 'line out' to 'line in' is working very well. I took notice of what you said
and first attached a good chassis to chassis ground wire between systems; the ground reduced the hum to
a very low level. I like the KDEMixer very much. It is superior to any I have seen in the M$ world; I
particularly like the fact that it allows 'dragging' down the bottom border to allow longer (less
sensitive) volume sliders.

Someone suggested looking into 'network sharing of arts'; I am intrigued, do you know anything about
this?

Once again.........Thanks! .....................PeterB

Jon Clausen wrote:

> On Wednesday 09 May 2001 22:14, you wrote:
> > Hello to all, sorry to be OT, but thought that these
> > lists might have someone that knows how to:
> >
> > Combine the audio outputs of 2 different SuSE Linux
> > 7.1 PCs into an amplified speaker system?
>
> Well, on this (off) topic at least, I can speak with *some* confidence :)
>
> > I have tried using a simple Y-adapter on the speaker
> > (Yamaha) input but this causes a lot of HUM and
> > seems to have burned out one sound card! Has anyone
> > done this?
> >
>
> <blabla>
> Not excactly, and you really shouldn't (you might burn out a card or
> something ;-)
>
> I'm not going to go into the electrics of it (I never took BOE101) but in my
> experience (years of sound engineering) it's not a good idea to just join two
> line outputs with a Y-adapter. Results are rarely very nice.
> </blabla>
>
> Depending on your setup/purpose you basically have two (well maybe three or
> four) options:
>
> 1: As Jonathan Wilson suggested connect [lineout box a] to [linein box b] and
> then [lineout box b] to [amp]
>
> 2: Get some external mixing device a la:
> http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=CTL
> G%5F002%5F003%5F001%5F000&product%5Fid=32%2D1106&MSCSProfile=745D84CBF04D14A48
> AA6FF9C89D722C036698F129F4C93D891A07105F1015CEB4C6BCD8DEC5AE5EA7D4B5B52C206DE0
> 252D40EE138DC7ADEBA9825156639A336445A36ECC7EE549809D97E519522AA5AA9C61D0B769C1
> D9573B591410AC7F8C35AA34C61EA54B621DCB4F641FC9FBB972DDCCCFFE249BB3371F0E81F1774BDBC48F8831C5B28E4C1
>
> (incase this link doesn't work: radioshack.com > Tv/Audio/Video > Pro Sound >
> Mixers > Cat#: 32-1106)
>
> 3: As Harry G suggested: Use an A B switch
>
> 4: Same as 2, but get a kit, and assemble it yourself...
>
> Comments:
>
> 1: Probably the easiest (well cheapest anyway) solution. You then only need
> to set volumes on [box b]'s internal mixer. The drawback is that [box b] ends
> up being the "master", meaning that sound from [box a] only gets to the [amp]
> when [box b] is up and running.
>
> 2: Is what I would prefer: You'd end up being able to get sound from either
> box to the amp independantly. This also is less complicated if the situation
> involves gaming, where an internal mixer might be difficult to get at. (?)
> The drawback here is that $50 is a bit steep, but you may be able to find
> something cheaper... (the mixer shown has four stereo ins, while you need
> only two)
>
> 3: Basically the same as 2, only you only get _one_ soundsource to the amp,
> at a time. (Since you wrote 'combining' I'd hazard a guess that this is not
> what you're after)
>
> 4: Maybe cheaper, if you're up for soldering and such...(?)
>
> Regardless of which solution you choose, make sure to use shielded cable.
> Also you might want to run a separate ground between the two boxes (and the
> amp). This might a: remove/reduce hum/noise b: reduce the risk of toasting
> cards in the event of powersurges and the like...
>
> Hope this helps
>
> Jon Clausen
>
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--
===============================
Peter B.Van Campen
Peter_B@xxxxxxxxxxxxx
===============================
--
<<Gnu is Not Unix / Linux Is Not UniX>>



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