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Post new topic Digital Pitch Changing instead of mechanics?
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Author Topic:  Digital Pitch Changing instead of mechanics?
Robert B Murphy


From:
Mountain View, Arkansas, USA
Post  Posted 24 Apr 2022 7:46 am    
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Digital pitch shifting algorithms only have to go so far as to fool our brains into thinking no information has been lost so I guess that's a low hurdle to clear.

I now get where your emphasis on string isolation comes from as the algorithm doesn't have to deal with polytonic (other than harmonic) signals.

I think a scanning laser diode, scanning at a rate faster than say 20 kHz, would have the most promise. It's annoying to me that this implies obstructing the string over the top somewhere. I love my Rick and Electar horseshoe magnets but I love having palm access to the bridge too. The only coupling would be vibrations through the body and that's a solvable mechanical problem.

The B3 comes to mind here. Hammond has abandoned the motorized tone generator now in favor of all digital. If I had to lug one around I would surely want a new one but I still love to see and hear the old battleships with the leslie.

Update: After looking at the price of laser diodes and optical detectors on Digi-Key I think using some kind of piezo to deflect the beam is too complicated and that having a couple of sources and detectors might give enough information to get an accurate signal from each string. I think it amounts to shape detection of the string arc.
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Michael Brebes

 

From:
Northridge CA
Post  Posted 2 May 2022 4:53 pm    
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I saw this and just had to tag it into the discussion. No pedals and no player!
https://impactsoundworks.com/product/pedal-steel/
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Michael Brebes
Instrument/amp/ pickup repair
MSA D10 Classic/Rickenbacher B6/
Dickerson MOTS/Dobro D32 Hawaiian/
Goldtone Paul Beard Reso

Mesa Boogie Studio Pre/Hafler 3000
RP1/MPX100
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J D Sauser


From:
Wellington, Florida
Post  Posted 3 May 2022 8:10 pm    
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Michael Brebes wrote:
I saw this and just had to tag it into the discussion. No pedals and no player!
https://impactsoundworks.com/product/pedal-steel/


Very Happy
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Was it JFK who said: Ask Not What TAB Can Do For You - Rather Ask Yourself "What Would B.B. King Do?"

A Little Mental Health Warning:

Tablature KILLS SKILLS.
The uses of Tablature is addictive and has been linked to reduced musical fertility.
Those who produce Tablature did never use it.

I say it humorously, but I mean it.
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Andy DePaule


From:
Saigon, Viet Nam & Springfield, Oregon
Post  Posted 26 May 2022 7:26 am     Interesting effort on youtube
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Here is an Interesting effort on youtube by a fellow named jt de haan.

https://www.youtube.com/watch?v=9PO2Q-mqcyo
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Inlaid Star Guitar 2006 by Mark Giles. SD-10 4+5 in E9th; http://luthiersupply.com/instrument-gallery.html
2017 Mullen SD-10, G2 5&5 Polished Aluminum covering. Custom Build for me. Great Steel.
Clinesmith Joaquin Murphy style Aluminum 8 String Lap Steel Short A6th.
Magnatone Jeweltone Series Lap Steel, Circa 1950? 6 String with F#minor7th Tuning.
1956 Dewey Kendrick D-8 4&3, Restoration Project.
1973 Sho~Bud Green SD-10 4&5 PSG, Restoration Project.
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