{OT} Mixing audio from 2 SuSE systems into 1 speaker system
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?
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?
Thanks to all ....................... PeterB
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Peter B.Van Campen
Peter_B@vancampen.org
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1. You probably need different cables and adapters, but I'm not a pro so I can't say exactly what. Sheilded should help, and make sure that you're using stereo cables not mono. The less adapters the better. 2. try running a cable from line out of one card to line-in on card #2, then connect only card #2 to the speaker system Hum is usually caused by bad grounding or crossing of something like neutral/hot or neutral/ground... maybe ask some knowledgeable Audio professional instead of computer geeks :-). Perhaps someone at our local Radio Shack. At 03:14 PM 5/9/2001 -0500, 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? 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?
---------------------------------------------------- Jonathan Wilson System Administrator Cedar Creek Software http://www.cedarcreeksoftware.com Central Texas IT http://www.centraltexasit.com
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 $50 is a bit steep, but you may be able to find something cheaper... (the mixer shown has four stereo ins, while you need only two) 3: Basically the same as 2, only you only get _one_ soundsource to the amp, at a time. (Since you wrote 'combining' I'd hazard a guess that this is not what you're after) 4: Maybe cheaper, if you're up for soldering and such...(?) Regardless of which solution you choose, make sure to use shielded cable. Also you might want to run a separate ground between the two boxes (and the amp). This might a: remove/reduce hum/noise b: reduce the risk of toasting cards in the event of powersurges and the like... Hope this helps Jon Clausen
Dear Jon, Thanks! Your sugg to use 'line out' to 'line in' is working very well. I took notice of what you said and first attached a good chassis to chassis ground wire between systems; the ground reduced the hum to a very low level. I like the KDEMixer very much. It is superior to any I have seen in the M$ 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@vancampen.org
===============================
--
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participants (3)
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Jon Clausen -
Peter B. Van Campen -
wilson＠claborn.net