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HELP: Audio Routing Setup Discussion

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Comments

  • TelefunkyTelefunky

    @echoopera said:
    What I mean is the Audio Interface that the hardware synths are plugged into. Will the audio they are generating show up on the Scarlett 8i8 that the iPad is hosting, and will I hear those synths playing when I load up AUM?

    You don‘t need an audio interface for this, but just an Adat converter box with 8 TRS analog inputs and Adat digital output.
    Most of these boxes have Adat digital input and analog output, too, which is not needed here.
    If you look at the input channels of your Scarlett, it will show the inputs as 4 additional pairs in AUM or any other app without anything connected.

    Your future conversion box will become digital master of the system, because the Scarlett has only Adat input and thus cannot send digital clock to the converter.
    You can even use a real Adat (cheap with dead drive) which adds a nice set of meters, but there are lots of these boxes on 2nd hand market.

  • uncledaveuncledave

    @ipadbeatmaking said:

    @uncledave said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:
    As far as I know, ipad is unable to stack aggregate devices. Just one device only. Last connected device gets priority.

    Thanks.

    I am so confused and the YouTube isn't helping me to get a better idea of this type of mobile only setup. So the ADAT device connected to the Scarlett 8i8 that the iPad is hosting, still needs to be connected to a USB device? I thought the whole point of these was to expand the Scarlett 8i8 via ADAT so I could see 16 Mono/8 Stereo Channels on that device?

    You can, but the Maschine won’t work in addition to this via usb as an audio interface.

    You should be able to pull down 18 simultaneous inputs on that 8i8. 8 analog, 8 digital optical, and 2 digital spidif (1 stereo L/R)

    So to be clear. If I’m not mistaken with adat, it’s 8 more total inputs not 8 more stereo inputs. So 4 more stereo inputs via adat and 1 more stereo via spdif. So a total of 9 stereo inputs when mixing analog and digital together.

    Let's simplify things.

    In the first setup, what will show up on the iPad? Will I see the 4 Stereo from the Scarlett 8i8 and the 4 Stereo from the Expander that my hardware synths are plugged into? Will the audio from those synths be accessible on the iPad so I could effect them and record them directly on the iPad?

    What expander?

    The green usb A is Midi right?

    I would assume it would work, but grab an optical or spdif cable and plug into a piece of equipment and route it to the Scarlett in addition to the analog ins and see what you see in your iPad DAW. A no risk, quick Best Buy trip should answer it.

    Maybe I'm using the wrong terminology. I mean the Audio Interface that the hardware synths are plugged into. Will the audio they are generating show up on the Scarlett 8i8 that the iPad is hosting, and will I hear those synths playing when I load up AUM?

    Cant you connect all these devices direct to the scarlet 8i8 gen 2? 3 of them via analog and 2 of them via SPDIF & optical? Then analog stereo out of that to the input of the Maschine? Then analog stereo out of that back into the scarlett?

    Hrmmm...so what you're saying is I'd send 2 of them into an Audio to SPDIF converter, and then pass that converter into the Scarlett 8i8?

    Sorry if I'm being dense, but I'm paddling like crazy out here in the deep end :pensive:
    Thanks for your input :)

    Yes exactly, I assumed one/two of those devices would have a digital out, which would greatly simplify everything, but it appears that isn't the case.

    No...all the gear only offers TRS out..

    hmmm for budget sake, as a temporary fix for the time being, i'd say...split the difference and go 3 instruments into the scarlett directly and 2 into the mixer, with it's stereo out going into the scarlett, whichever your least used 2 (or least important to the mix) instruments are.

    I can get everything into the Scarlett 8i8 right now without getting another interface, but I'm maxed out on Input channels and wanted to give myself some additional wiggle room in case I add additional gear in the future.

    I thought the other box with SPDIF and ADAT out would do the conversion from Analog to Digital to pass it down as 4 Stereo Channels of SPDIF/ADAT to the Scarlett 8i8...but I guess I am wrong...

    Are those ports only there to support other SPDIF/ADAT gear? No conversion happens on these boxes?

    I don't like the whole plug/unplug workflow...I'd just like to leave everything plugged in, so I can play what I want to at different times and groove.

    Thanks for clarifying things for me...save me from dropping $$ and being disappointed. :)

    That would work, and of course the interface would work for a/d-a/d but the routing would be something to consider in terms of possibly needing a computer as a go between for the other (new) interface depending on if it allow a standalone mode or not, if that makes sense

    What do you mean about the routing and needing a computer?

    You need to set the audio interfaces routing up with a computer. Some interfaces CANNOT be used standalone WITHOUT a computer, some can, this one CAN.

    As I understand, the Scarlett 8i8 has an ADAT (expansion) port. He buys an 8-input ADAT "expander" meant to add extra inputs to such a unit. It A/Ds its inputs and sends them digitally to the 18i8, which combines them with its own and sends them over USB to the iPad. I think you've already seen an example in the other thread of how the expander signals just appear in AUM as more inputs from the main interface.

    What ADAT expander are you referring to? Essentially he needs analog channels converted to digital, and those digital channels then piped to another interface via optical/adat/toslink to be ingested by the iPad connected to usb.

    To accomplish that he is considering another interface in conjunction with the scarlett 18i8. Something like the AudioFuse 8pre, Scarlett 18i20, etc

    Something to look out for, though. These primary interfaces, like the Scarlett, are usually speced with a certain number of inputs, say 16, but they have only 8 actual analog connections. You need an expander to add the other 8 to make 16. But they probably will not handle more inputs than they are designed for. Can the Scarlett 18i8 accept an 8-input expansion? You need to review the exact specs of your existing interface.

    What is this expander? Can you send a link? Is it another A/D converter or something else?

    The expander is just the second A/D converter, something like the Scarlett Octopre, which is specifically designed to add inputs to another interface. I'm not sure if you can use a normal interface in this way, to expand another interface. If you can, then that's great.

  • ipadbeatmakingipadbeatmaking

    @uncledave said:

    @ipadbeatmaking said:

    @uncledave said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:

    @ipadbeatmaking said:

    @echoopera said:

    @ipadbeatmaking said:
    As far as I know, ipad is unable to stack aggregate devices. Just one device only. Last connected device gets priority.

    Thanks.

    I am so confused and the YouTube isn't helping me to get a better idea of this type of mobile only setup. So the ADAT device connected to the Scarlett 8i8 that the iPad is hosting, still needs to be connected to a USB device? I thought the whole point of these was to expand the Scarlett 8i8 via ADAT so I could see 16 Mono/8 Stereo Channels on that device?

    You can, but the Maschine won’t work in addition to this via usb as an audio interface.

    You should be able to pull down 18 simultaneous inputs on that 8i8. 8 analog, 8 digital optical, and 2 digital spidif (1 stereo L/R)

    So to be clear. If I’m not mistaken with adat, it’s 8 more total inputs not 8 more stereo inputs. So 4 more stereo inputs via adat and 1 more stereo via spdif. So a total of 9 stereo inputs when mixing analog and digital together.

    Let's simplify things.

    In the first setup, what will show up on the iPad? Will I see the 4 Stereo from the Scarlett 8i8 and the 4 Stereo from the Expander that my hardware synths are plugged into? Will the audio from those synths be accessible on the iPad so I could effect them and record them directly on the iPad?

    What expander?

    The green usb A is Midi right?

    I would assume it would work, but grab an optical or spdif cable and plug into a piece of equipment and route it to the Scarlett in addition to the analog ins and see what you see in your iPad DAW. A no risk, quick Best Buy trip should answer it.

    Maybe I'm using the wrong terminology. I mean the Audio Interface that the hardware synths are plugged into. Will the audio they are generating show up on the Scarlett 8i8 that the iPad is hosting, and will I hear those synths playing when I load up AUM?

    Cant you connect all these devices direct to the scarlet 8i8 gen 2? 3 of them via analog and 2 of them via SPDIF & optical? Then analog stereo out of that to the input of the Maschine? Then analog stereo out of that back into the scarlett?

    Hrmmm...so what you're saying is I'd send 2 of them into an Audio to SPDIF converter, and then pass that converter into the Scarlett 8i8?

    Sorry if I'm being dense, but I'm paddling like crazy out here in the deep end :pensive:
    Thanks for your input :)

    Yes exactly, I assumed one/two of those devices would have a digital out, which would greatly simplify everything, but it appears that isn't the case.

    No...all the gear only offers TRS out..

    hmmm for budget sake, as a temporary fix for the time being, i'd say...split the difference and go 3 instruments into the scarlett directly and 2 into the mixer, with it's stereo out going into the scarlett, whichever your least used 2 (or least important to the mix) instruments are.

    I can get everything into the Scarlett 8i8 right now without getting another interface, but I'm maxed out on Input channels and wanted to give myself some additional wiggle room in case I add additional gear in the future.

    I thought the other box with SPDIF and ADAT out would do the conversion from Analog to Digital to pass it down as 4 Stereo Channels of SPDIF/ADAT to the Scarlett 8i8...but I guess I am wrong...

    Are those ports only there to support other SPDIF/ADAT gear? No conversion happens on these boxes?

    I don't like the whole plug/unplug workflow...I'd just like to leave everything plugged in, so I can play what I want to at different times and groove.

    Thanks for clarifying things for me...save me from dropping $$ and being disappointed. :)

    That would work, and of course the interface would work for a/d-a/d but the routing would be something to consider in terms of possibly needing a computer as a go between for the other (new) interface depending on if it allow a standalone mode or not, if that makes sense

    What do you mean about the routing and needing a computer?

    You need to set the audio interfaces routing up with a computer. Some interfaces CANNOT be used standalone WITHOUT a computer, some can, this one CAN.

    As I understand, the Scarlett 8i8 has an ADAT (expansion) port. He buys an 8-input ADAT "expander" meant to add extra inputs to such a unit. It A/Ds its inputs and sends them digitally to the 18i8, which combines them with its own and sends them over USB to the iPad. I think you've already seen an example in the other thread of how the expander signals just appear in AUM as more inputs from the main interface.

    What ADAT expander are you referring to? Essentially he needs analog channels converted to digital, and those digital channels then piped to another interface via optical/adat/toslink to be ingested by the iPad connected to usb.

    To accomplish that he is considering another interface in conjunction with the scarlett 18i8. Something like the AudioFuse 8pre, Scarlett 18i20, etc

    Something to look out for, though. These primary interfaces, like the Scarlett, are usually speced with a certain number of inputs, say 16, but they have only 8 actual analog connections. You need an expander to add the other 8 to make 16. But they probably will not handle more inputs than they are designed for. Can the Scarlett 18i8 accept an 8-input expansion? You need to review the exact specs of your existing interface.

    What is this expander? Can you send a link? Is it another A/D converter or something else?

    The expander is just the second A/D converter, something like the Scarlett Octopre, which is specifically designed to add inputs to another interface. I'm not sure if you can use a normal interface in this way, to expand another interface. If you can, then that's great.

    Ok Unk, we're saying the same thing. Yes the scarlett series can be used this way, standalone.

  • ipadbeatmakingipadbeatmaking

    @uncledave have you used that OctoPre? looks nice

  • uncledaveuncledave

    @echoopera said:
    @uncledave thanks for the reply.
    The Scarlett i have supports 18 IN. 8 are analog so i assume the rest are Digital In via the Optical In

    The whole thing i am unclear on is if i went for a box that has the Analog In and ADAT out, would it send along those analog signals as digital down to my Scarlett.

    To keep things harmonious i was looking at either the Scarlett 18|20 for the 1U box or the Arturia AudioFuse8Pre, which operate Stand Alone after being configured on the desktop.

    As I mentioned, I believe the second interface needs to be specifically designed as an expander, converting its inputs and sending them directly over the ADAT. Can the 18i20 be configured like that, or is it exclusively a primary interface?

  • ipadbeatmakingipadbeatmaking

    @uncledave said:

    @echoopera said:
    @uncledave thanks for the reply.
    The Scarlett i have supports 18 IN. 8 are analog so i assume the rest are Digital In via the Optical In

    The whole thing i am unclear on is if i went for a box that has the Analog In and ADAT out, would it send along those analog signals as digital down to my Scarlett.

    To keep things harmonious i was looking at either the Scarlett 18|20 for the 1U box or the Arturia AudioFuse8Pre, which operate Stand Alone after being configured on the desktop.

    As I mentioned, I believe the second interface needs to be specifically designed as an expander, converting its inputs and sending them directly over the ADAT. Can the 18i20 be configured like that, or is it exclusively a primary interface?

    Yes, via Standalone mode.

  • uncledaveuncledave

    @ipadbeatmaking said:

    @uncledave said:

    @echoopera said:
    @uncledave thanks for the reply.
    The Scarlett i have supports 18 IN. 8 are analog so i assume the rest are Digital In via the Optical In

    The whole thing i am unclear on is if i went for a box that has the Analog In and ADAT out, would it send along those analog signals as digital down to my Scarlett.

    To keep things harmonious i was looking at either the Scarlett 18|20 for the 1U box or the Arturia AudioFuse8Pre, which operate Stand Alone after being configured on the desktop.

    As I mentioned, I believe the second interface needs to be specifically designed as an expander, converting its inputs and sending them directly over the ADAT. Can the 18i20 be configured like that, or is it exclusively a primary interface?

    Yes, via Standalone mode.

    All clear. Now I understand what you meant about needing the computer to configure the Standalone mode. Sounds good. The original plan ought to work then.

  • xorxor

    Have you looked at the user guide for the 18i20? The diagram on page 5 seems to imply that the analog inputs are connected to the adat bus. “Any combination of inputs can be mixed together and the sum routed to any of the mix buses.”

    https://fael-downloads-prod.focusrite.com/customer/prod/s3fs-public/downloads/Focusrite Control Scarlett 3rd Gen User Guide_EN_0.pdf

  • echooperaechoopera
    edited October 2020

    So it sounds like this will work.
    Get the Focusrite Scarlett 18i20 (3rd Gen) USB, route my Analog gear into it via the TRS INS, plug in the Optical to ADAT out, and feed that optical into the Scarlett 18i8 ADAT IN and tada! My Analog gear will show up, converted from Analog to Digital in AUM as 4 Stereo Outs via ADAT, and i can plug additional gear into the 18i8 via its 8 Analog inputs and have a total of 8 Stereo, or 16 Mono channels rocking on the iPad or Computer, courtesy of the 2 Audio Interfaces working together?

    Thanks for the help everyone. 👊🏼™️

  • MadGavMadGav

    How many channels do you want to record at the same time? You could use the desk as a purely analogue monitor mixer. Main outs to a pair on your interface and I think the mixer has a bus which could feed another pair to allow channels to be selected for recording.

    I’ve just configured my right in similar vein to this - all synths to a half normalled patchbay so I can tap signals to patch to my audio interface without affecting the monitor mix. Then my old O1v which I don’t want in the record pah mixing both the synths and audio interface out and also with effects units on the auxes.

  • cozidocozido
    edited October 2020

    ...

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