Yeah, I know a lot of these small mini-jack boards work, but I require XML and jack inputs and stereo jack outputs.
> On Oct 7, 2020, at 4:58 PM, Antoine Rousseau <[email protected]> wrote: > > I've never had much trouble (rpi2/3/3b/3b+/4...) with this kind of thing: > https://www.gotronic.fr/art-adaptateur-audio-usb-21834.htm > <https://www.gotronic.fr/art-adaptateur-audio-usb-21834.htm> (warning: > unfortunately mono input only) > I could run full-duplex Pd at less than 10ms latency (of course it depends on > your actual patch). > > However older (while more expensive) boards (like Alesis io4) have sometimes > been a lot trickier! > > So it seems to me that it depends more on the audio device than on the > computer model. > > > Le mer. 7 oct. 2020 à 15:58, Dan Wilcox <[email protected] > <mailto:[email protected]>> a écrit : > Thanks Josh, good to know. Now that the RPI 4 has a controller chip, I should > probably try one again. > > I had some success for a project using a quad-core Udoo board circa 2013 but > it was also more expensive than the Pis at that time and a bit overkill. It > *did* however have a USB controller chip. > >> On Oct 7, 2020, at 3:42 PM, Josh Moore <[email protected] >> <mailto:[email protected]>> wrote: >> >> The Pi 2 and 3's usb were very much hacks due to the limitations of the >> Broadcom chip. It's fixed in the Pi4. See here for info: >> https://www.raspberrypi.org/documentation/hardware/raspberrypi/usb/README.md >> <https://www.raspberrypi.org/documentation/hardware/raspberrypi/usb/README.md> >> >> >> >> >> >> On Wed, Oct 7, 2020 at 5:18 AM Dan Wilcox <[email protected] >> <mailto:[email protected]>> wrote: >> To add on to Chris's question with a tangent, have any of you had good >> experience with bog-standard stereo USB Audio interfaces and RPI 3 or 4? >> >> Some years ago now, I tried to use an RPI 2 with my trusty USB 1.1 standard >> audio interface (Roland Edirol UA-25) which is full-duplex stereo, 2 in / 2 >> out. I could never get it to work well in full-duplex mode without dropouts, >> even with a low-latency kernel and other real-time tweaks. In the end, it >> seemed the USB driver on the RPI was simply not designed for the >> "isynchronous audio" this requires. >> >> The same device worked well on my original wearable, a Pentium 3 500 MHz >> machine but with a dedicated USB controller chip. >> >> In the end, I decided to move toward iOS for embedded/wearable (hence >> PdParty) and the same device works very well at low-latencies on iPads and >> my (now old) iPhone 5S. >> >> I'd like to still be able to run the setup with alternate systems, so does >> anyone have experience that the USB drivers have been improved? Thanks in >> advance >> >>> On Oct 6, 2020, at 12:00 PM, [email protected] >>> <mailto:[email protected]> wrote: >>> >>> Date: Tue, 6 Oct 2020 10:48:48 +0800 >>> From: Chris McCormick <[email protected] <mailto:[email protected]>> >>> To: PD List <[email protected] <mailto:[email protected]>> >>> Subject: [PD] audio interface with multiple ins on raspberry pi >>> Message-ID: <[email protected] >>> <mailto:[email protected]>> >>> Content-Type: text/plain; charset=utf-8; format=flowed >>> >>> Hey all, >>> >>> Same question as the previous poster but I was wondering about inputs >>> rather than outputs. Ideal solution: >>> >>> * USB. >>> * Low cost. >>> * More than 2 channels in. >>> * Headphone sized jacks. >>> * Works with Raspberry Pi. >>> >>> I've searched but could not find such a beast. Any hints? >>> >>> Cheers, >>> >>> Chris. >> >> -------- >> Dan Wilcox >> @danomatika <http://twitter.com/danomatika> >> danomatika.com <http://danomatika.com/> >> robotcowboy.com <http://robotcowboy.com/> >> >> >> >> _______________________________________________ >> [email protected] <mailto:[email protected]> mailing list >> UNSUBSCRIBE and account-management -> >> https://lists.puredata.info/listinfo/pd-list >> <https://lists.puredata.info/listinfo/pd-list> > > -------- > Dan Wilcox > @danomatika <http://twitter.com/danomatika> > danomatika.com <http://danomatika.com/> > robotcowboy.com <http://robotcowboy.com/> > > > > _______________________________________________ > [email protected] <mailto:[email protected]> mailing list > UNSUBSCRIBE and account-management -> > https://lists.puredata.info/listinfo/pd-list > <https://lists.puredata.info/listinfo/pd-list> -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>
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