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FAQ - Can iD22 be used in standalone operation?

Can iD22 be used in standalone operation?

It is possible to connect iD22 to your Mac or Windows PC via USB and route the inputs to outputs via the onboard mixer as you wish - you can then disconnect iD22 from the USB and iD22 will remember the state it was left in provided that power remains connected.

So not fully, but providing the power remains on then it will be effectively a standalone device.

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  • Avatar
    Epicruchi

    But, if you switch the power off, will the routes you have configured be remembered? What about the 48v/phase/hpf/pad buttons? Can be used without pluging the mac? Thanks

  • Avatar
    Tom Waterman

    Hi Epicruchi,

    iD22 will reset to default after a power down currently, so you must re-connect to a computer and setup the mixer as you wish and then you can unplug USB and use the device in "standalone" mode until the next power down.

    The microphone preamplifier functions are all analogue and as long as the unit has power - it will function as two standalone mic pres with 48V, pad, polarity and HPF, with the signal present at the insert send output. You do not need to connect to the Mac to operate the mic preamps.

  • Avatar
    Indie.A

    Hi Tom,

    could you say something about the "standalone delivery date"?

    And... a stupid question, just to stay 100% sure: this option is going to be added by firmware to the actual product isn't it? [versus added to new similar product]

    Thanks in advance!

     

     

  • Avatar
    Tom Waterman

    Hi Indie,

    apologies about the late response, this one got caught in our moderation spam filter for some reason!

    Standalone mode has been a bit harder to implement as a retro-programmable "soft" firmware update so after several attempts we have been unable to find a way that could be re-programmed in the field by an end-user.

    To this end we have come up with a workaround that actually would provide the functionality of a standalone AD/DA with mic pres and monitor control. However you would have to setup the unit with USB attached before disconnecting the USB cable (but leaving the unit powered on).

    Firstly, go to the matrix and set the Cue A output to (DIGITAL 1-2) - making sure that the digital i/o is set as SPDIF in and out.

    From here - setup a routing such that the two input channels (blue, micpres etc) are not routed to the main DSP mix bus (long faders down) but send them to the Cue A bus (panned hard left and right to get 100% separation for two mono inputs), This will route the mic pres to the ADC and to the digital output - therefore providing standalone mic pre/ADC usage direct to an optical output (much like our MiCO).

    Next, make sure that the digital playback channels in the mixer are visible (command(ctrl)+2) (green) and ensure that the digital 1-2 long fader is at unity, make sure nothing else is going to the Cue mix buses except for the two mic/line inputs (blue).

    Setup your DAC outputs in the matrix - from here you can assign main mix and alt. speakers and headphone output (all using the same signal source (digital 1-2) for a small monitor controller.

    Unplug USB and the unit will stay configured such that your micpre/ADCs are present at the optical output in SPDIF format, and the optical input in SPDIF format is now present at the DAC outputs through the monitor control functions, volume control and F key assigns etc.

    This is in effect a standalone mode - even though it require the computer for initial setup.

    Cheers

    -Tom

  • Avatar
    Mark Littlewood

    Please pretty please have another go at the standalone thing... please.....
    RME managed it for the babyface, I know you can too if you really try....

    What is the exact default routing then for the ADC/DAC when powered up? Is it of any use to non-computer folk? what are the F-buttons assigned to by default? (or is all of that functionality done in the host computer)?
    cheers
    -Mark

  • Avatar
    Harry Lewis

    Hi Mark,

    The iD22 does require an initial setup with a computer. By default, no sound will come out of the speakers unless it has had some initialisation by a computer. Setting up the mixer configuration you want then unplugging the USB (without powering off the unit) is the only way that you can use iD22 in standalone mode at the moment.

    Thanks
    Harry

  • Avatar
    Matt

    We know the workaround. The official answer is still: "on top of our to do list". Is this going to happen or not anymore?

  • Avatar
    Mark Littlewood

    So are all the outputs (analogue and digital, apart from the insert sends, which are live) unallocated aka dead/silent when powered up with no computer?

  • Avatar
    Mark Littlewood

    The thing is, in a few years time, when driver support fizzles away to 'legacy' this becomes purely a box with two preamps. It's essentially that that makes me reluctant to purchase it.

  • Avatar
    Harry Lewis

    Hi Matt,

    Unfortunately since the original post was written we discovered that a standalone mode more official than the current workaround, is not possible. This post should have been updated/removed a while ago it seems. Sorry for any confusion.

    Thanks
    Harry

  • Avatar
    Harry Lewis

    Hi Mark,

    The outputs are silent because the default mixer settings that are on the unit when you power it up without plugging it in via USB, have all the channel faders down, so there is no audio coming out of the main mix (which outputs 1+2 and 5+6 are set to).

    From the beginning we have developed iD22 to be a fully USB Audio class-compliant device which works not only with our own drivers but also lots of 3rd party ones. For example we use the core audio USB audio class drivers in OSX and we expect these to be present for as long as USB is around.

    In Windows there are a number of third-party audio class driver developers which a lot of other products will be based on as well, including some open source implementations.

    We are still very much developing the iD22 app and will be for years to come.

    I hope this makes you feel a bit better about it.

    Thanks
    Harry

  • Avatar
    Mark Littlewood

    here's what RME said they did for developing standalone where that was not considered in the original spec:

    "the Babyface has no internal memory that would allow it to boot into a specific state. It needs to be set by the driver and TotalMix FX from the computer to work correctly. No way to boot into a stand-alone mode, or a Class Compliant mode, and no way to store the settings that you just used in these modes.
    The RME magicians had a vague idea: thanks to enough resources in the FPGA it might be possible to add a small processor, which then uses the existing flash memory (for the firmware) to store all the needed information in it – in realtime, and for booting. And after many months of developing HeadScratch ed: – it works :-)"

    (from http://www.rme-audio.de/forum/viewtopic.php?id=16104 )

    come on come on audient folks - I'm completely sure your FPGAQ programmers are excellent and can do this too.....

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