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 Forum index » Instruments and Equipment » Alesis Andromeda
MIDI-signal going through USB-hub -- OK?
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purpurkatten



Joined: May 27, 2005
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PostPosted: Thu Jul 27, 2006 11:31 am    Post subject: MIDI-signal going through USB-hub -- OK? Reply with quote  Mark this post and the followings unread

In your opinion, does the MIDI-signal from the A6 lose quality if I send it through a MIDI-USB interface that is connected to a USB-hub, instead of directly to the USB-connection of the computer?
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sunny pedaal



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PostPosted: Sun Jul 30, 2006 2:22 am    Post subject: Reply with quote  Mark this post and the followings unread

i doubt it would make any difference.
however i don't know much about usb-hubs.
why not just try it .
by the way i presume the hub is powered sufficiently.
greetings, sunny
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jksuperstar



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PostPosted: Sun Jul 30, 2006 9:36 am    Post subject: Reply with quote  Mark this post and the followings unread

USB ws design from the ground up to have hubs, and there's a 90% chance that your PC has 2 roots with hubs themselves, to give you the multiple ports that you do have.

That said, I have seen problems with usb hubs, but this was several years ago, and I haven't seen or heard of people with hub problems anymore--in fact my experience is that a good powered hub improves things. go figure. Just make sure you get something recent, supports usb2.0, and comes with it's own power supply. These are the devices that have all the accumulated bug fixes and whatnot over the years, and are very stable to use, and are well designed, vs. some $4 cheap thing you buy to save an extra buck.

USB also supports isochronous operation, meaning your device has guaranteed bandwidth *always*, SO as long as all the devices added up don't require more bandwith than usb has, your perfectly OK. And you don't increase the delay between the device and your PC either by having a hub, hubs don't have internal buffers or anything that would significantly add milliseconds to your latency.
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sunny pedaal



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PostPosted: Sun Jul 30, 2006 12:42 pm    Post subject: Reply with quote  Mark this post and the followings unread

sounds like an reasonable answer to me Shocked
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mosc
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PostPosted: Sun Jul 30, 2006 5:07 pm    Post subject: Reply with quote  Mark this post and the followings unread

I use a USB hub (powered like JK says) in my studio and I've never had any problems with it. My G2 is connected thru the hub. Mine has a very useful feature, a green light above each port. When the software driver connects the device on that port, the lite is turned on. It's great for debugging hookups and drivers.
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jksuperstar



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PostPosted: Sun Jul 30, 2006 7:20 pm    Post subject: Reply with quote  Mark this post and the followings unread

mosc wrote:
Mine has a very useful feature, a green light above each port. When the software driver connects the device on that port, the lite is turned on. It's great for debugging hookups and drivers.


That would be very useful!! Alas, mine only has a cool blue backlight (clear plastic w/logo) when it's powered up. Cool
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Blue Hell
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PostPosted: Mon Jul 31, 2006 3:24 am    Post subject: Reply with quote  Mark this post and the followings unread

more OT : speakng of USB hubs .. I got a talking hub, very annoying till I found the speaker wires, might be fun for benders tho ...
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purpurkatten



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PostPosted: Mon Jul 31, 2006 4:28 pm    Post subject: Thanks Reply with quote  Mark this post and the followings unread

Thanks guys, good to know!
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