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OT: Any MidiVox users out there?

Discussion in 'Studio Techniques' started by Billious, Aug 29, 2010.

  1. Billious

    Billious Member

    (Not sure exactly where I should've posted this - apologies if I got it wrong.)

    Hi, I've recently managed to get a SynchroVoice MidiVox. It seems to be working, but it's still behaving strangely. If anyone replies that they have one, or at least know how to use one, I'll describe the specific problem.

    Cheers, Bill
  3. Peter Ostry

    Peter Ostry Administrator Staff Member

    Mhm ... I hope you find another user of this device but the chance is not great as you know. If not – maybe we can help you on the MIDI side? What is the particular problem?
  4. Billious

    Billious Member

    G'day Peter,

    The Midivox has 2 output modes: (1) following every pitch nuance of your voice by using pitch bend messages, and (2) quantizing to the nearest note to what you've sung. I would've thought that in the 2nd mode there'd be no need for *any* pitch bend messages, but it always transmits stacks of them, creating a warble in what should be a steady note.

    I know I could use a transformer in Logic to filter them out, but first I was wondering whether this was normal behaviour for the Midivox.

    Cheers, Bill
  5. Peter Ostry

    Peter Ostry Administrator Staff Member

    I don't find a manual for the Midivox. According to the so called tech specs it should do what you want. Are you sure that you selected this "Continuous Chromatic Pitch Tracking Auto Pitch Correct Mode"?

    I am afraid you have to ask HealingMusic. If you have to filter those pitch bend messages it may be a good idea to use a cable switcher, to turn the pitch on and off on demand.

    Very interesting device, btw. Did you buy it new?
    Would be fine if you could post a review and some audio examples here when you are familiar with this converter.
  6. Billious

    Billious Member

    Yep. Actually, the problem happens in both modes.

    They've never answered any emails I've sent them. :-(

    But I'm planning to call them with a list of questions, including "How do I get it fixed?"

    Good idea. Unfortunately, the Midivox itself isn't Midi-controllable, so it has to be changed manually.

    Sure is! I've wanted one since they first came out in '92.

    No. I bought one several years ago on eBay, but the transformer was fried and by the time I found out it was too late to return it. Yeah, completely ripped off. :-( But I kept it, with the biosensor and manual. Then a couple of months ago there was one on eBay without the manual or biosensor, so a close friend of mine bought it. So between us we have a complete unit. Unfortunately it now seems that it might be faulty.

    Yep, I'd be happy to do that. :)
  7. Peter Ostry

    Peter Ostry Administrator Staff Member

    Why I am not surprised ... they don't make the Midivox but just sell it among their other stuff, probably as long as they have some boxes in stock. Now as you pointed me to this gear I think about getting one, don't know of a similar device.

    But Logic is MIDI-controllable. You let a transformer send the pitch events to its upper outlet and other events to the lower outlet. After the upper outlet you put a cable switcher that switches the pitch on and off. Map this cable switcher to your MIDI controller and you are done.

    You may need an additional function that sets the pitch bend back to neutral when it gets disengaged but basically it works as this screenshot shows:
  8. Billious

    Billious Member

    Actually, I'm pretty sure the guy from Healing Music works with one technician to make and sell them. I was told that the inventor died, and AFAIK Mr Healing Music has all rights to the device.

    AFAIK there's absolutely nothing else like it. I hope you do get one and have fantastic results with it. :)

    It transmits notes (with fixed or variable velocity), pitch bends, and CC messages for volume (CC07 or CC11 I suppose - sorry haven't got the manual here). So I'm wondering what it'd be like, for example, to provide notes from a keyboard and the CC messages (and maybe velocity?) from the Midivox.

    Thanks for going to all that trouble with all that environment stuff, Peter, but I know how to do that sort of thing, and I'll probably do it in Max anyway. (Oops! Does that mean I'm in the wrong forum?)

    I hope it doesn't have to be sent to the U.S. for repair - it took months to get here in the first place!

    Cheers, Bill
  9. Peter Ostry

    Peter Ostry Administrator Staff Member

    I think it doesn't have an audio input, correct? So it can't be used generally as an audio-to-MIDI converter but only with the collar?

    Yes, this is what I would have in mind. Synthesizers in parallel to voice but with modified velocity and pitch, influenced by other sounds or MIDI.

    No, not the wrong forum. I use Max too and I bet here are a couple of people who are pretty good in this area. Right now I work on an application that should control Logic in a way Mainstage cannot do. Old project, re-vitalized.
  10. Billious

    Billious Member

    Correct - no audio input, and can't be used for audio-to-MIDI. The collar has 4 biosensors (some sort of medical technology) which sit over the adam's apple and detect movements of the vocal cords. It's apparently so fast that it transmits MIDI before you can hear the voice acoustically.

    You mad scientist, you! :)

    Yeah, I know. We've had quite a bit of correspondence in the past. :)
  11. Peter Ostry

    Peter Ostry Administrator Staff Member

    Mhm, I am interested in a Midivox but even more in a realtime Audio-to-Midi converter with velocity and preferably pitch. If you know such a device (other than the Axon) please tell me.

    Oh well, those nicknames ... I suspected something like this, your writing sounded familiar to me. Nice to hear from you again!
  12. Billious

    Billious Member

    Sure! I spent a lot of time a few years ago searching for such a device. IIRC, the best thing I found was Windows software called Digital Ear. http://www.digital-ear.com/ It converts audio files or realtime audio to MIDI containing pitch, volume and brightness info. Not sure about note velocity. Pitch bends are used for one-cent accuracy.

    The other interesting one that I found was the Amadeus http://www.danryderfielddrills.com/pitch_to_midi.htm but I couldn't find out much about it, and the price was such that I didn't want to risk buying one.

    If you end up getting either of these I'd love to know what sort of results you get.

    Likewise, Peter! :)

    Cheers, Bill Canty
  13. Billious

    Billious Member

    Actually, can't Max/MSP do pitch-to-MIDI?
  14. Peter Ostry

    Peter Ostry Administrator Staff Member

    No Windows computer here.

    There really isn't much information, sounds like some sort of interface but I would want a box that "simply" takes a line audio input and converts it to MIDI in realtime.

    Currently I use the AU Widisoft plugin. It works well in realtime but does not translate velocity.

    I think it can, it can do almost anything. But I cannot :) Audio-to-MIDI is far beyond my Max/MSP skills.
  15. Billious

    Billious Member

    I can understand that. ;)

    Maybe you could use the Widisoft plugin to get the notes and Max/MSP to convert amplitude to velocity?

    And mine. But if ANYone's done one (that works well) I'd be happy to buy it. Maybe I should ask on the forum...
  16. Peter Ostry

    Peter Ostry Administrator Staff Member

    Don't think so, at least not in an easy way. It would require to synchronize notes and velocity.

    But it is a good idea anyway, I could use the amplitude for volume or expression of softsynths. This should work without much synchronization, maybe introduce a little more latency but cover most of my applications. Have to try it, thanks.
  17. Billious

    Billious Member

    Wouldn't the [buddy] object synchronize pitch and velocity pretty easily?

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