Re: [RDD] OT XLR Pi Hat
On Thu, Sep 17, 2015 at 3:32 PM, Robert Jeffares wrote: > XLR Should work in a 1 u environment I have 1u gear with xlr on the back. Yes, but consider this picture: https://www.adafruit.com/images/970x728/1761-03.jpg If you mount the xlr on the audio board and then plug the pi and the audio board together, the total package might be more than 1u. If you wanted to do a 1u box however, it would not be unreasonable to have the xlrs at the end of cable to mount to the back of the 1u box while the pi and the audio card are mounted elsewhere in the box and not right where the xlrs are located. Or am I being dense here? > > > On 18/09/15 02:23, Wayne Merricks wrote: > >> Hi, >> >> I've been contacted by the IQAudio Pi HAT guys (iqaudio.co.uk). They're >> looking into the potential of having a balanced XLR output board for the >> Pi. I know what we would use it for (1U rack mount receiver, Internal >> monitoring/network speakers, potentially some sort of IP Phone interface, >> maybe even a one output Rivendell box with GPIO support). >> >> The questions they've asked me is what would you want from such an addon: >> >> * Balanced Audio via..? >> o XLR (may not fit into a 1U height restriction) >> o Mini XLR >> o 3.5mm stereo/balanced Jacks >> o Header pins >> * Access to GPIO Pins? >> * Access to USB? >> * Access to Network? >> * Anything else they haven't thought of? >> >> And now the awkward question, what price range would you be prepared to >> pay for something like this? >> >> >> Wayne Merricks >> The Voice Asia >> > all the best, drew -- http://nakedghosts.blogspot.com/ ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
Re: [RDD] OT XLR Pi Hat
XLR Should work in a 1 u environment I have 1u gear with xlr on the back. On 18/09/15 02:23, Wayne Merricks wrote: Hi, I've been contacted by the IQAudio Pi HAT guys (iqaudio.co.uk). They're looking into the potential of having a balanced XLR output board for the Pi. I know what we would use it for (1U rack mount receiver, Internal monitoring/network speakers, potentially some sort of IP Phone interface, maybe even a one output Rivendell box with GPIO support). The questions they've asked me is what would you want from such an addon: * Balanced Audio via..? o XLR (may not fit into a 1U height restriction) o Mini XLR o 3.5mm stereo/balanced Jacks o Header pins * Access to GPIO Pins? * Access to USB? * Access to Network? * Anything else they haven't thought of? And now the awkward question, what price range would you be prepared to pay for something like this? Wayne Merricks The Voice Asia ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
Re: [RDD] OT XLR Pi Hat
On Sep 17, 2015, at 11:52 29, Cowboy wrote: > I would suggest RJ-45 standard, with an optional ( extra cost ) break-out box > for most anything anyone might want, which would be the full size XLR's, or > screw terminals, or. Of which RadioSystems already makes a full line: http://www.studiohub.com/adapterdonglessplitterscouplers.php Cheers! |--| | Frederick F. Gleason, Jr. | Chief Developer | | | Paravel Systems | |--| | A room without books is like a body without a soul. | | -- Cicero| |--| ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
Re: [RDD] OT XLR Pi Hat
Hi, Yes XLRs fit fine on 1U but not with the Pi Underneath it. You basically have this set up (ripped from IQ Audio's email): 1U ~ 40mm 5mm spacer under pi 2mm pi pcb 12mm spacer (to clear pi components) 2mm DAC Hat Leaves: 19mm to fit XLR connectors. Wayne Merricks The Voice Asia On 17/09/15 16:52, David Klann wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 I'm making a 1U device (not for Rivendell) that includes 4 XLR connectors on a modified back panel. They fit just fine! Parts from parts-express.com: Item Number 092-0156, Amphenol AC3FDZB XLR "D" Flange Panel Mount Connector Female Item Number 092-0158, Amphenol AC3MMDZB XLR "D" Flange Panel Mount Connector Male The 1U case is from Athena Power, model RM-1U100DR22 Hope this helps! ~David Klann On 09/17/2015 09:53 AM, Wayne Merricks wrote: Hi, Just to be clear, I'm nothing to do with IQ Audio, I just asked them if they did any XLR boards a few months back. They emailed back the same day saying interesting idea and they'll look into it. Now they're asking more questions and are planning a prototype for the next month or so which from my point of view is a pretty decent response to a pretty stupid question. The full size XLRs are a bit iffy if you want to fit in a 1U case, they seem like a genuine bunch of people so didn't want to be the only one to blame for saying "XLR's wouldn't fit can I just have headers". Wayne Merricks The Voice Asia On 17/09/15 15:45, Cowboy wrote: On 09/17/2015 10:23 AM, Wayne Merricks wrote: The questions they've asked me is what would you want from such an addon: * Balanced Audio via..? o XLR (may not fit into a 1U height restriction) o Mini XLR o 3.5mm stereo/balanced Jacks o Header pins As standard as possible. That means full size XLR, header pins, RJ-45 Since the professional world seems to be moving to RJ-45 with the Radio Systems wiring standard, I'd lean heavily in that direction. * Access to GPIO Pins? Absolutely ! * Access to USB? eh. * Access to Network? Yes. * Anything else they haven't thought of? Probably.:-) And now the awkward question, what price range would you be prepared to pay for something like this? At least a buck-two-ninety-eight. ;-) -BEGIN PGP SIGNATURE- Version: GnuPG v2 iF4EAREIAAYFAlX64bUACgkQZtxZ++32cNghhgEAsz4LAcU9hJUSNSsFvdvhdwyc 3MEAlf6Bpxtd+NQiaB4A/R/tGAfXEjWQQz7BR5XIuJm+hxSflo4v102SzHJ/hM1J =Sv8q -END PGP SIGNATURE- ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
Re: [RDD] OT XLR Pi Hat
On Sep 17, 2015, at 10:23 52, Wayne Merricks wrote: > The questions they've asked me is what would you want from such an addon: > • Balanced Audio via..? > • XLR (may not fit into a 1U height restriction) > • Mini XLR > • 3.5mm stereo/balanced Jacks > • Header pins StudioHub! See: http://www.studiohub.com/PDF/PinoutGuidewithAdapters.pdf This is what pretty much the entire broadcast equipment industry is moving to. > • Access to GPIO Pins? Euroblock connectors. Those pins will also need to be electrically isolated —e.g. onto-isolators on the inputs and OCs/reed relays on the outputs. The GPIO pins on a PI will tolerate 3.3vdc tops; you’ll blow up the device if you expose it to more. Broadcast plants typically use a lot more (5 or even 12 or 24 vdc is not uncommon). > • Access to USB? > • Access to Network? Both are absolutely necessary. > • Anything else they haven't thought of? PoE option (would power the PI as well). > And now the awkward question, what price range would you be prepared to pay > for something like this? A lot would depend on the mechanical details. Would this include some sort of case, a naked PC board, something else? Cheers! |--| | Frederick F. Gleason, Jr. | Chief Developer | | | Paravel Systems | |--| | A room without books is like a body without a soul. | | -- Cicero| |--| ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
Re: [RDD] OT XLR Pi Hat
On 09/17/2015 10:53 AM, Wayne Merricks wrote: Now they're asking more questions and are planning a prototype for the next month or so which from my point of view is a pretty decent response to a pretty stupid question. Not a stupid question, and more than a decent response, considering the responses I've gotten over the years from various sources about various things. they seem like a genuine bunch of people so didn't want to be the only one to blame for saying "XLR's wouldn't fit can I just have headers". I would suggest RJ-45 standard, with an optional ( extra cost ) break-out box for most anything anyone might want, which would be the full size XLR's, or screw terminals, or. -- Cowboy ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
Re: [RDD] OT XLR Pi Hat
Hi Am 17.09.2015 um 16:23 schrieb Wayne Merricks: > I've been contacted by the IQAudio Pi HAT guys (iqaudio.co.uk). They're > looking into the potential of having a balanced XLR output board for the > Pi. I know what we would use it for (1U rack mount receiver, Internal > monitoring/network speakers, potentially some sort of IP Phone > interface, maybe even a one output Rivendell box with GPIO support). > Sounds great! > The questions they've asked me is what would you want from such an addon: > > * Balanced Audio via..? > o XLR (may not fit into a 1U height restriction) > o Mini XLR I would prefer XLR or RJ45 for the Audio - definitely not Mini XLR > o 3.5mm stereo/balanced Jacks If it hase RCA plugs i would prefer 6.3mm jacks as most other devices and patchpanels have these as well. > o Header pins would be ok if they also produce/sell small breakout boards with XLR > * Access to GPIO Pins? definitely > * Access to USB? not sure about that. For most purposes i wouldn't use it because the USB Port instability of the Raspi is legendary... > * Access to Network? sure > * Anything else they haven't thought of? > balanced inputs! not sure if this works with the Raspberry but there should be an I2S interface on the board somewhere... It would also be ok to have seperate input and output boards because most of the time i would need only one but not both on the same raspi. > And now the awkward question, what price range would you be prepared to > pay for something like this? > something between 80 and 100 Euros would be ok for me/us. regards christian ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
Re: [RDD] OT XLR Pi Hat
Hello, To answer your questions: >- Balanced Audio via..? > > I'd generally push for XLR in most cases if there's space. Otherwise I'd look for D-type (assuming it's for external use) or screw terminals (internal use). > >- Access to GPIO Pins? > > Any GPIO pins they could offer out would be useful. > >- Access to USB? > > Hmm... I'm not so sure about this one. > >- Access to Network? > > Again, I'm a little lost as to a use for it on an audio interface. Other than specifically driving Ravenna/Livewire from hardware. > >- Anything else they haven't thought of? > > Probably but I can't think of anything right now. > > > And now the awkward question, what price range would you be prepared to > pay for something like this? > Now there's a question. It's specialist but being teamed up with a low cost bit of kit. For reference, the Wolfson board for the Pi goes for up to £30. I'd therefore expect the cost to be a bit north of that. Regards, Marc. ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
Re: [RDD] OT XLR Pi Hat
Hi, Just to be clear, I'm nothing to do with IQ Audio, I just asked them if they did any XLR boards a few months back. They emailed back the same day saying interesting idea and they'll look into it. Now they're asking more questions and are planning a prototype for the next month or so which from my point of view is a pretty decent response to a pretty stupid question. The full size XLRs are a bit iffy if you want to fit in a 1U case, they seem like a genuine bunch of people so didn't want to be the only one to blame for saying "XLR's wouldn't fit can I just have headers". Wayne Merricks The Voice Asia On 17/09/15 15:45, Cowboy wrote: On 09/17/2015 10:23 AM, Wayne Merricks wrote: The questions they've asked me is what would you want from such an addon: * Balanced Audio via..? o XLR (may not fit into a 1U height restriction) o Mini XLR o 3.5mm stereo/balanced Jacks o Header pins As standard as possible. That means full size XLR, header pins, RJ-45 Since the professional world seems to be moving to RJ-45 with the Radio Systems wiring standard, I'd lean heavily in that direction. * Access to GPIO Pins? Absolutely ! * Access to USB? eh. * Access to Network? Yes. * Anything else they haven't thought of? Probably.:-) And now the awkward question, what price range would you be prepared to pay for something like this? At least a buck-two-ninety-eight. ;-) ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
Re: [RDD] OT XLR Pi Hat
On 09/17/2015 10:23 AM, Wayne Merricks wrote: The questions they've asked me is what would you want from such an addon: * Balanced Audio via..? o XLR (may not fit into a 1U height restriction) o Mini XLR o 3.5mm stereo/balanced Jacks o Header pins As standard as possible. That means full size XLR, header pins, RJ-45 Since the professional world seems to be moving to RJ-45 with the Radio Systems wiring standard, I'd lean heavily in that direction. * Access to GPIO Pins? Absolutely ! * Access to USB? eh. * Access to Network? Yes. * Anything else they haven't thought of? Probably.:-) And now the awkward question, what price range would you be prepared to pay for something like this? At least a buck-two-ninety-eight. ;-) -- Cowboy ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
[RDD] OT XLR Pi Hat
Hi, I've been contacted by the IQAudio Pi HAT guys (iqaudio.co.uk). They're looking into the potential of having a balanced XLR output board for the Pi. I know what we would use it for (1U rack mount receiver, Internal monitoring/network speakers, potentially some sort of IP Phone interface, maybe even a one output Rivendell box with GPIO support). The questions they've asked me is what would you want from such an addon: * Balanced Audio via..? o XLR (may not fit into a 1U height restriction) o Mini XLR o 3.5mm stereo/balanced Jacks o Header pins * Access to GPIO Pins? * Access to USB? * Access to Network? * Anything else they haven't thought of? And now the awkward question, what price range would you be prepared to pay for something like this? Wayne Merricks The Voice Asia ___ Rivendell-dev mailing list Rivendell-dev@lists.rivendellaudio.org http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev