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MIDIMIttr iPad to iPad audio

edited February 2016 in General App Discussion

this app now streams audio and MIDI over a standard lightning cable to a Mac/PC.

What I'm interested in is if there is a way to use a lightning cable plus lightning to USB cable to do audio between two iPads. This would be killer!

If the software is now open source, does that make it easy to port it to using an iPad as a host instead of a computer?

Comments

  • @Hmtx said:
    this app now streams audio and MIDI over a standard lightning cable to a Mac/PC.

    What I'm interested in is if there is a way to use a lightning cable plus lightning to USB cable to do audio between two iPads. This would be killer!

    If the software is now open source, does that make it easy to port it to using an iPad as a host instead of a computer?

    That would indeed be of great use if possible :)

  • @Hmtx said:
    this app now streams audio and MIDI over a standard lightning cable to a Mac/PC.

    What I'm interested in is if there is a way to use a lightning cable plus lightning to USB cable to do audio between two iPads. This would be killer!

    If the software is now open source, does that make it easy to port it to using an iPad as a host instead of a computer?

    Very interesting, indeed! Have you asked the developer of MidiMittr about the possibility?

  • @Hmtx said:
    this app now streams audio and MIDI over a standard lightning cable to a Mac/PC.

    What I'm interested in is if there is a way to use a lightning cable plus lightning to USB cable to do audio between two iPads. This would be killer!

    If the software is now open source, does that make it easy to port it to using an iPad as a host instead of a computer?

    I asked @SecretBaseDesign, when MusicIO was released if this was possible, in reply he said yes technically but then asked if a connector had been created to make use of this possibility, this is the tricky part, as yet I don't think there is one?

  • It's just a software issue, no? We already have charging cables and we have the CCK/ lightning to USB.

    We just need an app that will run on the host iPad and recognize the other iPad as an audio interface :-)

    simple...

  • I don't think the CCK solution would work. It doesn't work with Studiomux/MusicIO as far as I know. For connecting iDevice to Mac/PC that is.

  • Standard lightning cable on iPhone, CCK on the iPad. COnnection level is all there, its the drivers that are the question.

  • I think with Studiomux you can route MIDI from one device to the other if more than one device is attached to a computer, and the computer is running the Studiomux server. And I guess this can also be done with audio, although you need a DAW for routing. And since Studiomux, MIDIMittr, and MusicIO are very similar, I guess this can be done with them too.

    I just haven't tried iPad audio to iPad audio yet. Or iPad MIDI to iPad MIDI. What for? I'm absolutely happy with stable one-way connection or two-way FX insert connection.

  • This would fix the dopey GarageBand sounds in its own daw issue.

  • @dwarman said:
    Standard lightning cable on iPhone, CCK on the iPad. COnnection level is all there, its the drivers that are the question.

    this is exactly what I'm trying to say.

    So the question is: What allowed devs to create the audio stream to Mac? and is it transferrable to iOS?

  • Hey Guys it's Tom from Synth Anatomy
    If you have IOS 9 and OSX 10.11, you don't need any app for the audio stream
    Short Tutorial how to setup

  • @Tom Synth Anatomy said:
    Hey Guys it's Tom from Synth Anatomy
    If you have IOS 9 and OSX 10.11, you don't need any app for the audio stream
    Short Tutorial how to setup

    Too bad it only works with El Crapitan. I'm stll on Yosemite, which I shouldn't have upgraded to either.

  • Yep, its a very cool feature... which is why I'm looking for a way to do it without a PC or Mac ;-)

  • edited February 2016

    Hey there,

    midmittr just uses a public function already built into the OS (since 10.11) so there's not much you can do.
    On the iOS Side of things there's even less you can do (that is: nothing, since its all hidden from the user).

  • Interesting... I would just try it but I'm afraid something would break.

    By the way, Matt, thanks for posting here and for making this very useful app!

  • Hi -- saw my name pop up on this thread.... For iPad to iPad audio, there's already my Remote Recorder (WiFi), but having a directed wired connection along the lines that @dwarman suggested would require some software hackery. If Apple wanted to do it, they could. If I wanted to do it.... theoretically possible, but may require a lot of reverse engineering (that's how musicIO became possible -- and I'm still astounded that Apple hasn't brought the ban hammer down on us).

    I'm not putting much effort into trying to figure out a wired way to connect a pair of iPads; I don't think the market is very large for that, and if it was, Apple would come in and destroy it. (Cough, Apollo MIDI over Bluetooth was out for about a year before Apple made Bluetooth MIDI part of iOS, and we got about a year on musicIO before they baked audio into iOS9+ElCap -- we've still got more channels, bidirectional audio, and MIDI built in, but Apple certainly isn't doing us any favors).

  • How much latency is involved with remote recorder and sound injector? Is it too much to transfer a loop from one device to another in time?

  • @SecretBaseDesign, how about a lightning to lightning cable? Bypass the need to use USB connectors?

  • Latency depends on the WiFi network -- but with my system, it's pretty darned good. WiFi traffic can cause glitches (which you can only avoid with buffering, and the buffering is where the latency comes in).

    If you're just transferring audio files -- Remote Recorder has a built-in web server, and you can grab recordings that way. The app was originally designed as an Audiobus recorder, that you could toggle on and off with MIDI. The recording happens entirely on the device, and then once the wave file is finished, you sync it to a desktop using the web server. On the Mac, there's "Apollo Remote Sync," a free app, that waits for new recordings to be complete, and then transfers them automagically.

    Seemed like a great idea to me, but it never really took off. When I saw that the time to do the audio transfer was so much lower than the actual record time -- that's when Sound Injector, and the real-time transfer part of the system came in.

  • @SecretBaseDesign I was wondering if you could hook up into the usbmuxd on the iPad (just like most of us do for the mac-desktop connections) and connect to another one. After all iPad to iPad connections work for transfering photos via USB.

    Couldn't be bothered to investigate this though, mainly due to the lack of a CCK

  • Thanks guys for your input.

    @mattsieren I tried this out. The host can retrieve pictures, and the peripheral device pops up with a "Trust this Computer?" inquiry. So that is a start in the right direction, right? But there is no software running that tells the host iPad to listen for audio... so that is as far as I could get. It would be so cool if you could look into this. I think it would be a very inspiring, useful feature for those of us who have multiple iOS devices but no PC/ Mac :)

  • It would definitely be cool if this got developed further. Very handy feature for sure.

  • I could see this getting approved as an Audiobus output app, meaning not an app that takes all of iOS audio data and sends it over USB (that would have copyright issues). But it would work within the Audiobus system, sending only audio data from approved Audibus apps. This could be a really great feature.

  • @Hmtx said:
    Thanks guys for your input.

    @mattsieren I tried this out. The host can retrieve pictures, and the peripheral device pops up with a "Trust this Computer?" inquiry. So that is a start in the right direction, right? But there is no software running that tells the host iPad to listen for audio... so that is as far as I could get. It would be so cool if you could look into this. I think it would be a very inspiring, useful feature for those of us who have multiple iOS devices but no PC/ Mac :)

    Agree, totally...I also tried the connection (using the CCK that I use for my midi keyboard) and was happy that it worked from an iOS 9.2 iPhone to ios8.4 iPad4, but with photos only. I've successfully used the SecretBaseDesign apps, but direct audio via USB would be a great feature for multiple iOS devices regardless of PC/Mac availability.

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