Forums > MaxMSP

mixed driver 4channel output?

May 8, 2008 | 8:48 pm

hello
i have a patch with 4 different channels and it turned out (too late) that i do not have a 4 channel sound card. i have though a 2 inputs – 2 outputs external sound card which is possible to use in some programmes together with my internal sound card. is it possible to explain to msp that the first two outputs should be left and right on the built in sound card and the third and fourth should be left and right on the "tascam usb".
the sound is played from 4 buffer objects through 4 grooves and should be audibly different on all four speakers.
thanks
s


May 8, 2008 | 9:10 pm

are you mac or pc? on mac you can – in audio midi setup – aggregate
devices together, though i’m not sure if the internal driver can be
aggregated with an external driver.
cheers
b

On May 8, 2008, at 4:48 PM, selena savic wrote:

>
> hello
> i have a patch with 4 different channels and it turned out (too
> late) that i do not have a 4 channel sound card. i have though a 2
> inputs – 2 outputs external sound card which is possible to use in
> some programmes together with my internal sound card. is it
> possible to explain to msp that the first two outputs should be
> left and right on the built in sound card and the third and fourth
> should be left and right on the "tascam usb".
> the sound is played from 4 buffer objects through 4 grooves and
> should be audibly different on all four speakers.
> thanks
> s

bruce tovsky
http://www.skeletonhome.com

"Reality is whatever refuses to go away when I stop believing in it.."
Philip K. Dick


May 8, 2008 | 9:11 pm

On 8 mai 08, at 22:48, selena savic wrote:

> hello
> i have a patch with 4 different channels and it turned out (too
> late) that i do not have a 4 channel sound card. i have though a 2
> inputs – 2 outputs external sound card which is possible to use in
> some programmes together with my internal sound card. is it possible
> to explain to msp that the first two outputs should be left and
> right on the built in sound card and the third and fourth should be
> left and right on the "tascam usb".
> the sound is played from 4 buffer objects through 4 grooves and
> should be audibly different on all four speakers.

If you’re one a mac with Tiger or higher, you can make an aggregate
device (with Audio MIDI Setup application) and use it in Max.

ej


May 8, 2008 | 9:16 pm


May 8, 2008 | 9:17 pm

using a pc.
until so far i managed to overcome this problem in two softwares but in their independent setups – both vegas (sony) and audition (adobe) had a possibility to use the external card for two surround channels. but in the basic windows (!) setup i cannot make it to use them both. or maybe i can?


May 8, 2008 | 10:41 pm

on pc, there is now jack available (http://www.grame.fr/~letz/jackdmp.html
)
that could make it possible to build a standalone and an ordinary
patch, which communicate via jack and pipe the audio out to different
destinations.
a bloody hack anyway, probably…

best
hans

http://www.hans-w-koch.net

Am 08.05.2008 um 23:17 schrieb selena savic:

>
> using a pc.
> until so far i managed to overcome this problem in two softwares but
> in their independent setups – both vegas (sony) and audition (adobe)
> had a possibility to use the external card for two surround
> channels. but in the basic windows (!) setup i cannot make it to use
> them both. or maybe i can?


May 8, 2008 | 10:50 pm

ASIO4ALL will do aggregate audio devices on the PC.
asio4all.com


May 13, 2008 | 2:17 am

hey all,
thank you for help
i suppose now asio4all solves – all – problems easy since it just needs to be installed on a click. i tried to make the jack but i didn’t have much time to get into it. in the end, i used asio to run these four channels from a mixer that didn’t really have all inputs working and it happened yesterday that the signal was broken in a very "regular" way but the recording is there in berlin now!


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