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Or, perhaps by using a harmonizer controlled by a second player on keys, or a prepared polyphonic MIDI track the monophonic line could become harmony in the first layer of the loop. Peace and Adventure! Michael Carlson On Jan 5, 2015, at 6:05 AM, Per Boysen <perboysen@gmail.com> wrote: > I've started with "MIDI guitar" in the late eighties, with the first > models and have recently been using the GR-55 (+ GK3 pickups), but I > still prefer none of that but rather playing my usual audio signal > into some audio-to-waveform converter. These are available as software > plugins for those who play through a computer and then there are some > new digital amps sporting these algorithms as well. This gives you a > direct monophonic synth tone with immediate musicality, i.e. no > latency and accurately following how you're shaping the tone on the > physical instrument. > > Some might not like playing monophonic lines but I think that's great > for live looping because in a few seconds you can build any chord in a > looper by layering the required number of notes. > > Greetings from Sweden > > Per Boysen > www.perboysen.com > http://www.youtube.com/perboysen > > > On Mon, Jan 5, 2015 at 12:45 PM, andy butler <akbutler@tiscali.co.uk> > wrote: >> >> >> On 05/01/2015 09:35, Diarmuid Pigott wrote: >> >>> My own experience of MIDI from strings is that the detection of vibrato >>> and bend and gliss is pretty much >>> dependant on the MIDI instrument I am using. >> >> >> I think there's a bit of a miss-conception going around. >> >> The Midi instrument actually has nothing to do with detection, >> it only responds to midi commands. >> By then the detection is already done. >> What *is* important is that the Midi instrument needs to respond >> correctly in order to interpret the pitch information correctly. >> i.e. the amount of pitch change in response to MidiPitchBend has to be >> set >> correctly. >> That's actually rather trivial to set up, as long as the midi instrument >> supports it. >> >> For a device like the Fishman the situation is a bit different, in that >> there may be processing of the audio from the pickup. >> In that case it's obviously possible to pass the audio in some form and >> get what seems like "perfect tracking", when no tracking has been >> needed. >> >> For note detection there's an absolute limit that's never going to be >> beaten. >> I look at it from a slightly different angle to the usual idea of note >> frequencies. >> The impulse from plucking the string has to travel up to the fret and >> back >> to the pickup >> before it's possible to calculate which fret was used. >> >> Using that way of looking at things the Axon system can make a the >> quickest >> possible >> guess at what the note played is, then it uses a more regular analysis >> to >> measure >> the frequency. Should the initial guess be wrong a correction is made >> to the >> Note-On >> that was sent using MidiPitchBend. >> As the Axon system is patented then it kind of looks like no-ones going >> to >> get >> faster tracking without licensing it. >> >> Warbling on a sustained note occurs when the fundamental of the note >> fades >> before the harmonics, >> so on some instruments there'll be one or two notes that warble every >> time. >> Just down to the resonance of the instrument. >> If the instrument is specially designed to work with midi convertion I >> suspect >> they spend a lot of time working removing any 'bad notes'. >> >> If there's going to be any improvement over the Axon system it won't >> be in fast detection of the note, but rather in the ability to >> keep tracking a note as it dies away. >> >> >> andy >> ps. for playing around, the monophonic devices by Sonuus have somewhat >> slower note >> detection but are fairly warble resistant. >> >> >> >> >> >> >> >