On Mar 14, 2014, at 6:04 PM, Aaron L. <elmaster...@gmail.com> wrote: > Wow. > > That pdf is beyond awesome, Dan. On many different levels.
Thanks :D > Question about this part though: > > An attached direct box > converts high-impedance signals to microphone level for connection to a stage > mixing and amplification systems The DI box is for being able to plug into the house mains via XLR which, as you probably know, is balanced so you can send it alot further. This is especially useful when I generally ask for 2 50 foot XLRs so I can roam around the crowd. > I want to take line-level (which is low-level impedance, correct?) back to > instrument-level so as to use the guitar amp. Well, this is why don't want to use the dinky 1/8 inch audio jacks on an onboard sound card and use a USB sound card with built in preamps which handle the impedance issues. Any better sound card will have balanced 1/4 inch jacks out, which is what my UA-25 has (or at least is what the block diagram on the top says). I've run these into regular guitar amps many times. > So how does one get one's guitar "out" of the UDOO and back into the guitar > amp? guitar --> soundcard neutrik 1/4+XLR combo jack --> stereo 1/4" balanced jacks out --> 1 channel into guitar amp Obviously you'll want to adjust the levels accordingly. I'd suggest getting a USB soundcard with hardware incoming preamp and outgoing volume controls. This is another reason why I've been using UA-25s. > On Fri, Mar 14, 2014 at 2:53 PM, Dan Wilcox <danomat...@gmail.com> wrote: > See this also :D > http://danomatika.com/media/projects/s2007/thesis/dwilcox_thesis_arttech_07.pdf > > > On Fri, Mar 14, 2014 at 4:07 PM, Aaron L. <elmaster...@gmail.com> wrote: > Wow. Many thanks, Dan. > > I'll look into these options and get back to you then. > > > > On Fri, Mar 14, 2014 at 12:44 PM, Dan Wilcox <danomat...@gmail.com> wrote: > Without a computer, no. Without a desktop or laptop computer, yes. > > An embedded computer (rpi or UDOO, for instance) can totally do this and > that's what some of us have used them for. Simplest case is to setup the > system, install pd with your patch, and write a script that is launched when > the machine boots that connects to the sound card and starts pd. This way it > starts immediately when you turn on the power, no interaction required. All > of this can be built into a box of some sort, giving you an in/out effects > setup. It's what I've done with several systems, although they are not as > small as a real pedal. > > Any regular USB sound card will work. I recommend the Roland Edirol UA-25 o/ > UA-25EX as it's a simple USB 1 sound device that will work with anything that > speaks USB audio without a driver. You get instrument jack/XLR preamps in and > stereo out. > > You could also get this setup with my Pd iOs app PdParty of Chris McCormick's > PdDroidParty and a sound interface to your mobile device. For instance, I > have an Alesis iODock for my iPad which gives me the equivalent of a UA-25. > I've also had success using a UA-25 with a powered USB hub connected to the > iPad via the camera connection kit usb adapter. Let me know if you want to > beta test PdParty as it's currently not released on the App Store. > > Subject: Re: [PD] using pd live (sans computer/laptop/raspberry pi) > > I'll take this a bit further into newb-question territory......... > > Are there any soundcards that output instrument level signals? > > This would allow one to use "PD into a computer and then out of a computer" > similar to how one uses an effects pedal, no? > > > On Fri, Mar 14, 2014 at 10:00 AM, Aaron L. <elmaster...@gmail.com> wrote: > List. > > Total newb question........ > > Is there any way to "encapsulate"(?) a pd patch into some sort of hardware > (pedal? something else?) allowing for no computers (e.g. no bootup, no load > times, etc.) on stage? > > I can't imagine that there is but, hey, I have no shame. > > Thanks. > > > -- > Dan Wilcox > danomatika.com > robotcowboy.com > > > > > -- > Dan Wilcox > danomatika.com > robotcowboy.com > -------- Dan Wilcox @danomatika danomatika.com robotcowboy.com
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