Help get this topic noticed by sharing it on Twitter, Facebook, or email.

Class compilant midi-usb interface support via usb-A port...

Hi! Am I the only one interested in this? I’m thinking to formally request it.... but love to know your opinion... if there is interest on it.... thanks!
2 people like
this idea
+1
Reply
  • Hi!

    Maybe I'm a bit confused but
    - MPC Live can accept USB HUB on its 1st USB-A input thus it can accept many external USB gear simultanously
    - MPC Live has a class-compliant MIDI controller mode (MIDI mode while using in Standard) when it can be used as a simple USB midi controller
    - MPC Live can share its MIDI in/out ports like when connected to any PC/Mac so you can use it as a simple USB MIDI interface

    I guess you missing the class-compliant USB MIDI interface mode like sharing its MIDI ports via USB when in standalone mode and doesn't connected to a computer?
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. sad, anxious, confused, frustrated indifferent, undecided, unconcerned kidding, amused, unsure, silly happy, confident, thankful, excited

  • Hi! Sorry for my english...

    yes, i was trying to say what you are saying in your last sentence.

    I’d like being able to connect a usb-midi interface to the usb ports of mpc live. I’m using an iconnectmidi 4.... wich is a class compilant interface. .... in standalone mode ( the only one I use )


    Thanks!
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. sad, anxious, confused, frustrated indifferent, undecided, unconcerned kidding, amused, unsure, silly happy, confident, thankful, excited

  • Hey tumi,

    Thanks for posting!

    Be sure to submit this as a feature request with the MPC 2 Software's built-in feedback module. The feedback module is represented by a smiley icon at the lower right side of the software next to the browser icons. This information goes directly to the Akai team for consideration!

    If you need an alternative method of submitting feedback, you may use the following links:

    MPC - Submit a Feature Request

    MPC - Submit a Bug Report

    Thanks for your feedback!
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. sad, anxious, confused, frustrated indifferent, undecided, unconcerned kidding, amused, unsure, silly happy, confident, thankful, excited

  • This reply was removed on 2018-07-10.
    see the change log
  • 1
    I am currently using a USB3 8x8 MIDI interface via a USB-A port on the MPCX. This works great for the MIDI Input Ports on the interface, but unfortunately the MIDI Output Ports do not work.

    There is an idea post I made a while back, http://community.akaipro.com/akai_pro.... If you want, add your take in that thread and also submit a feature request as per Nick above.
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. sad, anxious, confused, frustrated indifferent, undecided, unconcerned kidding, amused, unsure, silly happy, confident, thankful, excited

  • I hadn't considered using a USB midi interface before: That is an interesting idea. It's a real shame the MIDI host support on the usb port isn't bidirectional.
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. sad, anxious, confused, frustrated indifferent, undecided, unconcerned kidding, amused, unsure, silly happy, confident, thankful, excited

  • It is possible that the USB MIDI Output Ports are being enumerated alongside the USB MIDI Input Ports, and that they elected to use only the inputs behind the scenes for a shorter path to market.

    As I understand it, the Wi-Fi and Bluetooth were not implemented earlier on, but is now operational.

    Since they need to sell more units, I am sure that USB MIDI interfaces must be and has been considered. Akai likely has to prioritize what comes next and what will have to wait.
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. sad, anxious, confused, frustrated indifferent, undecided, unconcerned kidding, amused, unsure, silly happy, confident, thankful, excited

  • So the USB port as of 2.2 still only supports MIDI in (to the MPC). You can confirm that the USB port isn't an available selection for which MIDI output port to use, only the MIDI DIN. My suspicion is that even if they add MIDI routing support you won't be able to get the USB MIDI out ports on your 8x8 working. They may support a single directly attached MIDI I/o device, but they are basically intended for use with controllers.
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. sad, anxious, confused, frustrated indifferent, undecided, unconcerned kidding, amused, unsure, silly happy, confident, thankful, excited

  • As far as class compliance, there is no difference between a USB MIDI interface and a USB MIDI keyboard controller, per se. Both advertise themselves as having MIDI Ports of some capabilities.

    Unless the host explicitly restricts it in some way, any class compliant device that is connected to that host should be available for use. This is the very purpose of class compliant drivers and devices.

    Also, as far as I understand, it is the attached device that describe itself to the host, so since all MIDI In Ports on the 8x8 is working great, the basic hardware support is already there. (At least for the USB MIDI In Ports.)

    It would seem rather surprising if Akai didn't make their own built-in MIDI In/Out Ports run through this same class compliance 'engine', because that would remove the need to have a separate drivers for those.

    Whether they will enable additional USB MIDI Out Ports in the software is of course the big question.

    Anyways, I think they'll open it up, because it is the only thing sensible for a device of this magnitude (I have an MPCX), I.e. the position it is being advertised to hold, standalone, studio centerpiece, etc.. I would go as far as to say that the software does not fully support the hardware, so the MPCX cannot fulfill such words.

    E.g. pads cannot be remapped (not even linearly to MIDI notes) and MIDI input ports/channels cannot be mapped to tracks. These are absolute basic core functions of any standalone, studio centerpiece. There are things in the MPCX that can only be edited in the computer software to be used in standalone mode, which essentially renders it not standalone. So they've got a ways to go yet.
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. sad, anxious, confused, frustrated indifferent, undecided, unconcerned kidding, amused, unsure, silly happy, confident, thankful, excited

  • My comment is not so much about class compliance (a device is either a source or a sink from that perspective) but rather how complete the USB implementation is and how the devices are presented. That is to say, an 8x8 could present as a USB Hub with 8 class compliant devices (each providing I/O), 16 devices (each in or out), 1 MIDI in (merged) or various other possibilities. Them providing a "class compliant implementation" of USB host does not necessarily imply support for arbitrary devices which include internal hubs and the like... nor that it necessarily provides a feature complete implementation. Having said that, given that the MPC runs a *nix OS (likely a custom linux), such drivers probably already exist so it may be easy to add.

    As for how their built in ports are implemented there are lots of options. Architecturally there could be one or more "internal" USB buses with or without hubs and the ports interfaced in that way (i.e. a USB class compliant driver and USB hub support is used) but this seems relatively heavy weight as USB provides far more functionality than a MIDI port needs (MIDI ports are very much like serial ports). If I had to guess I'd assume the MIDI ports are on one of the other system buses using a much lighter weight protocol for I/O and use a "custom" driver. I put custom in quotes as many such drivers likely already exist (for use in synths and other MIDI hardware). In fact, on embedded systems, you can often implement MIDI by "bit banging" or through other GPIO interfaces (though this carries risk, which is why optical couplers are often used to protect the circuitry from badly behaved devices).

    Either way, this is all hypothesis... all the matters is: does it do what I want. Unfortunately, MIDI on the MPC (USB or otherwise) has frustrating limitations. I can think of many ways in which various things may be easy or difficult to do given the design, but that's an unknown. Let's just hope things keep moving in the right direction (e.g. the improved MIDI jitter and channel pressure now works).
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. kidding, amused, unsure, silly happy, confident, thankful, excited indifferent, undecided, unconcerned sad, anxious, confused, frustrated

  • so i guess this is dealt with with the coming 2.8 update ....
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. sad, anxious, confused, frustrated indifferent, undecided, unconcerned kidding, amused, unsure, silly happy, confident, thankful, excited

  • Hi, there, the new 2.8 firmware update is truly a really good one. thanks.

    But I’m trying now to connect my MPC Live via MIDI USB with my Critter&Guitari Organelle but strangely the Organelle doesn’t recognize the MPC in the listed devices. I’m using USB Type-B port, the same cable as I would to connect my computer to the MPC. (so USB-A into organelle- USB B on MPC).

    If I’m using the initial PIN Midi out with a MIDIMate eX converter, then it works but the main thing about the new 2.8 firmware is to be able to use fully USB midi class compliant over MPC live usb port in order to control it. Am I missing something here?

    Does the MPC Live fully USB midi class compliant over that usb port?

    Many thanks.
    • The MPC fully recognizes USB class compliant MIDI devices as a host.

      I see that the Critter & Guitari Organelle is also a USB host...

      However, I cannot answer if the MPC also advertise itself as a class compliant MIDI device to other hosts. Is that what you are asking?

      ON a side note, that looks like a really cool device, how do you like it?
  • (some HTML allowed)
    How does this make you feel?
    Add Image
    I'm

    e.g. kidding, amused, unsure, silly happy, confident, thankful, excited indifferent, undecided, unconcerned sad, anxious, confused, frustrated