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Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Mon Aug 05, 2019 8:32 pm
by cantremember
Damn this looks like its gonna be awesome!
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Sat Aug 17, 2019 10:24 am
by cosmicevan
Wow, this thing looks NUTS!!! subscribed!
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Sun Aug 18, 2019 9:30 pm
by elefontpress
This. Is. Fantastic!
Where do I sign up?
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Mon Aug 26, 2019 7:53 pm
by wolflangis
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Tue Aug 27, 2019 6:39 pm
by Pladask
My phone broke so I don't have photos to show for it, but the hardware prototype is assembled and the admin code is working. Satisfying to flip the lights with the CLOCK knob! Hope to test audio code later this week.
Hardware observation:
As with the previous version of the pedal the LOOP/REGEN pot gives the option for either buffer looping at MID <-> MAX (similar to the FABRIKAT LOOP parameter), and regeneration/feedback at MID <-> MIN. Now the additional (left) footswitch will only allow to MAX the LOOP/REGEN knob which yields maximum buffer looping. Ideally I'd like to be able to select if the knob should be set to either maximum feedback or looping when the footswitch is activated, but I don't believe there is a good way to implement the functionality and the necessary interface information without complicating the build. Unless some very very compelling arguments are presented I will keep the hardware as it is.
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Wed Aug 28, 2019 3:52 pm
by whoismarykelly
Pladask wrote:My phone broke so I don't have photos to show for it, but the hardware prototype is assembled and the admin code is working. Satisfying to flip the lights with the CLOCK knob! Hope to test audio code later this week.
Hardware observation:
As with the previous version of the pedal the LOOP/REGEN pot gives the option for either buffer looping at MID <-> MAX (similar to the FABRIKAT LOOP parameter), and regeneration/feedback at MID <-> MIN. Now the additional (left) footswitch will only allow to MAX the LOOP/REGEN knob which yields maximum buffer looping. Ideally I'd like to be able to select if the knob should be set to either maximum feedback or looping when the footswitch is activated, but I don't believe there is a good way to implement the functionality and the necessary interface information without complicating the build. Unless some very very compelling arguments are presented I will keep the hardware as it is.
Thinking about the way either side would be used - is there a way to have that switch work the way the bypass switch works with different results from press and hold than press and release? Press and release could max the knob for holding the loop. Press and hold could go to min to ramp up to max feedback. Surely thats a completely different set of functions than just changing bypass state but it would be cool.
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Wed Sep 04, 2019 7:27 am
by Pladask
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Wed Sep 04, 2019 7:42 am
by Dandolin
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Wed Sep 04, 2019 8:19 am
by cosmicevan
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Thu Sep 05, 2019 7:22 am
by elefontpress
Pladask wrote:Had some leftover time on a trip recently and decided to revisit this thing. Haven't tested anything yet, but I think both the code and graphics look promising. Hopefully I'll be able to test it some time this Autumn. Below is the current graphic displayed with a gerber viewer (won't be so colorful). The red sections would be exposed FR4 backlit by LEDs.
The system clock parameter doubles as a program selector when in momentary bypass. Additional footswitch to maximize the looping. Ditching the grain direction switch and instead offering both forward and backward granular delay/stretching. Random vibrato (MOD) to make it more lively. The core schematic for this thing is laughably simple so it was fun to see how much functionality I could squeeze into it without adding too much extra circuitry.
Feedback is welcome
Minor critique: the symbols for octave selection should be -/+ rather than ÷/+ ? My brain is melting a bit at the idea of a division based octave.
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Thu Sep 05, 2019 10:46 am
by whoismarykelly
Octave effects have been called Octave Dividers for decades. Divide a frequency by 2, get an octave down.
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Thu Sep 05, 2019 12:00 pm
by elefontpress
Fair point! But then shouldn’t we pick a system? Subtraction/addition or division/multiplication?
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Thu Sep 05, 2019 2:07 pm
by Pladask
elefontpress wrote:Minor critique: the symbols for octave selection should be -/+ rather than ÷/+ ? My brain is melting a bit at the idea of a division based octave.
Good point. I think I intended for a minus sign, but have ended up with a division sign for some reason. How bout changing them to up and down arrows?
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Thu Sep 05, 2019 3:12 pm
by UglyCasanova
In elementary school I'm pretty sure we used ÷ for minus and / for division. I have no idea why. Maybe it was easier to read? Norway be crazy?
Re: BAKVENDT - ILF Reverse Delay Thing!
Posted:
Thu Sep 05, 2019 4:55 pm
by Pladask
UglyCasanova wrote:In elementary school I'm pretty sure we used ÷ for minus and / for division. I have no idea why. Maybe it was easier to read? Norway be crazy?
UC and his false memories
..but I'll change it to something more internationally accepted