Those devices I mentioned are not merely pickups, they are little embedded computers that calculate the pitch tracking for you and send midi note and ctl change data. They were originally designed so that you could play a midi synth with your guitar. They only output midi, no audio. You use the regular guitar jack for audio.
Nowadays, you can simply send the midi data into your computer and receive it in PD. This is what I do. Again, I'm talking *only* about midi data. This has nothing to do with 6 channel audio. My use case is to send the guitar in as 1 channel (using the normal guitar jack output) and then control synths, effects processing, etc with the tracked note data for each string coming from the guitar pitch to midi converter.
If you want 6 individual audio channels, 1 for each string in addition to the tracked note value for said strings then by all means do as Rafael suggests. However, if all you need is the tracked note values, but *do not* need the individual audio channels, then I'm suggesting one of these off the shelf pitch to midi boxes that already does this.
Dan.
Thanks for the info. I'm relatively new to this stuff and my use-case ain't exactly conventional so forgive the 3rd degree......
But if I understand you correctly, you're saying that instead of having 6 dedicated/discrete outputs from a hexaphonic pickup, the pickups referenced in your email (the Shadow SH-075 and the Fishman Tripleplay) will essentially do the "routing" on the fly? Based on pitch?
Are they smart enough to determine 440hz on a 5th-fretted low-E string vs an open A string?
Also, wouldn't both the hardware (i.e the pickup used) as well as PD have to be smart enough to do this?
Thanks.
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Dan Wilcox
@danomatika