I agree with you that 25 is extremely hardware ineffective. I have created an aggregate device in OS X before but only with two of the same type of external device but this also seems the best option for a single cpu.
thanks for the input Greg On Sun, Oct 25, 2009 at 2:50 AM, jurgen <noise....@gmail.com> wrote: > You have to be realistic - 25 channels is an extremely hardware ineffective > configuration because audio interfaces come by increments of 8. Meaning for > 25 channels you need 4 of those. > I believe you can do it cheapest if you use OS X: you may borrow from > friends any brand of device and then create in OS X an 'aggregate' device. > This combines any number of any audio interfaces into one big virtual > interface that you then can address with jack. It also solves the problem of > the 25th channel because the aggregate device may include the machines > in-built audio hardware on top of fw/usb things. > > Good luck > Jurgen > > On Oct 25, 2009, at 12:32 AM, Greg Pond wrote: > >> I am helping some friends make their first PD sound installation. They >> want 25 channels simultaneously running prerecorded samples and have a >> limited budget and as yet own no equipment. I use the presonus firepod >> external card in my work which could work with a single cpu chaining >> 3-4 of firepods together for their project but I doubt their budget >> can support buying so many of them. For amps we could build 25 simple >> chip amps with op amp ICs to keep costs down but those that I have >> built in the past are useful for low volume only. If anyone has other >> hardware configurations and amplifier schematics that they use I would >> be grateful for suggestions. >> >> thanks >> >> Greg >> >> _______________________________________________ >> Pd-list@iem.at mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list > > _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list