[LAD] [LAU] GuitarSynth and polyphonic pitch estimation

Gerald gerald.mwangi at gmx.de
Sat Apr 18 17:26:09 UTC 2015

Ok issues are fixed. I was sure that something like it exists, as aubio
has it. I want to take this thing to be polyphonic,
Ideally split up into polyphonic guitar to midi lv2 and maybe synth
plugin that somehow apeals to guitarist (I know that vague, but i'm
thinking of a synth thats piped through guitarixcab for that nice tube
sound). But the emphasis will be the polyphonic audio (actually only
guitar) to midi. The other stuff I wrote just not to have to deal with
lv2 standard for now. And wavetables are easy and fun.
I've done some research and the polyphonic pitch estimation falls under
the wider topic called Blind Source Separation (BSS). Is there any
expert on BSS here on the list?

On 18.04.2015 14:55, Ralf Mardorf wrote:
> Thank you,
> builds without issues on Arch Linux. Running it works too, but I didn't
> test it. Jack audio IOs and Jack MIDI out are shown by QjackCtl. Are you
> aware that Rakarrack provides a relatively good working monophonic MIDI
> converter?
> JFTR I got those messages:
> $ ./GuitarSynth2 
> jack_client_new: deprecated
> Samplerate 44100 Buffersize 256
> QObject::connect: No such slot GSEngine::setInputGain(int)
> QObject::connect:  (sender name:   'InputVol')
> QObject::connect: No such slot GSEngine::setOutputGain(int)
> QObject::connect:  (sender name:   'OutputVol')
> Regards,
> Ralf
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