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Sonuus G2M - Universal Guitar to MIDI Converter

Sonuus, maker of Guitar to MIDI hardware, has released a Universal iOS app that gives you all the same functionality in app form. Their hardware units are around $100, so this is a pretty nice deal as a $2 app! The price goes up to $10 next month.

The Sonuus G2M - Universal Guitar-to-MIDI Converter app delivers high-performance, low-latency, MIDI conversion for guitar (and other musical instruments). Featuring the same pitch-to-MIDI technology used in Sonuus' acclaimed hardware products, the G2M app gives you an easy, low-cost way to enter the world of MIDI guitar.

This G2M app gives you access to the same technology of the Sonuus hardware G2M:

  • Any electric guitar can be used as a solo MIDI guitar: i.e., it's universal.
  • No guitar modifications or special pickups required.
  • Robust note detection — minimises wrong notes.
  • Velocity detection of notes, so your playing dynamics are translated into MIDI messages.
  • Fast, accurate pitch-bend determination, or alternative chromatic mode.
  • Very low latency & very fast tracking.
  • Built-in, precise tuner.

These features combine to do something that no other MIDI converters can do: accurately capture the musicality and phrasing of what you are playing. Whether you want to lay down a MIDI bass line, or a saxophone solo, the G2M ensures the musical nuances of what you play are retained.

Buy Sonuus G2M - Universal Guitar to MIDI Converter on iTunes: $1.99 (On Sale, from $9.99)


Sonuus put together a nice little demo of how the app works, including a demo of it sending WiFi MIDI.

Reader Comments 14

wow, this looks rad and like a great deal for $2, just purchased and also gifted one to a guitar playing pal. :)

January 17, 2013  | person_outline gatearray

Who has got this ?
There are too many apps that I own which over promise and underdeliver

Need some better demo that shows what happens with polyphony ?
Also , no VirtualMidi ??

I have been eyeing the sinus hardware and waiting for the price to fall in the appropriate range but just might bite on this one...... If the reviews are good and their app support and feature path is good

January 17, 2013  | person_outline Pat

Damn iOS autocorrect : sinus hardware ????? No thankyouverymuch

Meant Sonuus hardware

Who has got this ?
There are too many apps that I own which over promise and underdeliver

Need some better demo that shows what happens with polyphony ?
Also , no VirtualMidi ??

I have been eyeing the sinus hardware and waiting for the price to fall in the appropriate range but just might bite on this one...... If the reviews are good and their app support and feature path is good

January 17, 2013  | person_outline Pat

All the monophonic pitch to MIDI converters get pretty ugly if you throw anything polyphonic at them.

January 17, 2013  | person_outline Zymos

I just picked this up and I'll post my results soon.

January 17, 2013  | person_outline Clif

With all due respect, Pat, you've been actually eyeing the $100 hardware version of this (I've never heard of it before today) and now you're hemming and hawing over $2 bucks? :)

Also, in the video he attempted to show it controlling GarageBand, so yes, it does Virtual Core MIDI. I quickly connected it to Animoog and just whistled (not at home with the guitar) and it controlled Animoog as expected, even showing up in the list as a MIDI input source on Animoog's set-up page. Pro Tip: if the microphone level is too hot, triggering phantom notes from background noise, etc., adjust the Velocity slider on the settings page. Hope this helps!

January 17, 2013  | person_outline gatearray

Sold! The video did it for me. This will give me something to use with my iRig. Can't wait to play with it after work tonight.

January 17, 2013  | person_outline Rentson

Little underwhelmed. Seems to struggle when a fast series of notes is thrown at it, no matter how cleanly I am playing them (okay, not always that clean a player...). Get the odd random note, missed notes on more occasions than I am happy with, it is also very ugly!!!!

This was with it feeding into animoog, so more experimentation is required.

Be interested to hear other opinions.

January 17, 2013  | person_outline ISM

@gatearray
What I mean is that I am waiting for such app or hardware and have a real need for it, it's the implementation I was talking about and not just the price. Even if the app is just a hack and struggles , it doesn't help me if its 2$ or 19.99$ or whatever
Same applies for the 100$ hardware too

Though I think this will fun and hopefully it will be tuned/developed and enhanced to be line with the hardware counterpart
Will be interesting to mix this and impaktor together !!

January 17, 2013  | person_outline Pat

OK, I spent about 30 minutes or so with this and here's my appraisal.

First off, I've played with many hardware and software guitar synths over the last 15 years, and the main thing to remember is that you have to LEARN how to play them. It is not, unfortunately, as easy as picking up your guitar and wailing.

Overall, I found G2M to be usable, which beats most of the iOS options out there. Yes, it picks up ghost notes. No, it won't handle polyphony. I found it to be around 95% accurate on note detection after I found the right pickup/tone combination to cut down on the more troublesome harmonics. It actually tracks pretty fast, but it does make the inaccuracies more noticeable, and you have to pick and mute cleanly, as you would expect. The one thing it does better than most other options out there is track bends and vibrato as long as you don't get carried away.

As gatearray mentioned, it does support VM and controlling Animoog (I detect a trend here) was a snap.

Final initial thought: it was well worth $2 and I will continue playing with it. At this point, however, I can't say that it warrants the $10 normal price.

January 17, 2013  | person_outline Clif

I wonder how well this works for bass. I own Sonuus' i2M device and it's decent. An app that is its equal would be great. I realize it won't work at all for bass through the iPad's headphone jack, which is why I wonder if this software supports audio connections through the dock/Lightning port? (I have an Alesis iO4)

January 17, 2013  | person_outline DC

And yet again I find my wallet a few dollars thinner. Wy? Because I like the idea of making every single synth or MIDI -based preset I own a potential guitar patch. Forget amp modeling and stomp boxes - THIS is a glimpse of true unholy power.

Even if it is technically one note at a time. Wonder if these guys could meet up with the company that let's guitarists tune all 6 strings simultaneously . . .

January 18, 2013  | person_outline cXeGG

@Pat
I totally hear what you're saying and I happen to agree with you, well said!

January 18, 2013  | person_outline gatearray

Hey guys. I've been beta testing the new new MIDI Guitar plugin (VST/AU/Standalone/App) from JamOrigin is just on pair with a roland hex pickup. Its AMAZING: Polyphonic, low latency and accurate. Free download at http://jamorigin.com/midi-guitar

January 21, 2013  | person_outline Shreddy
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