Spin Semiconductor

Guys, I’m designing a new hardware and want to improve the SN ratio. To do this I need to feed the fv1 as hot as possible to maximize the dynamic range and here’s my question. Since the guitar signal is so variable in amplitude, what’s the best gain for the input stage feeding the fv1. I’m a...

the_frey wrote:Ah, that's clever. I guess I'd have to go with some tiny value though as otherwise it would cause the pitch to be noticeably higher than the dry signal...

Compensate the offset in the soft

Post the schematic of the pot and switch. Surely you're making a short circuit when you press the switch and the pot is maxed

+1 on the file directory preference saving feature, some time ago I done a lot of head scratching when writing an ASM program. I kept editing a program and it never worked, a lot of frustration and head scratching before I realized that my edited saves were going to the folder the IDE wanted to use...

frank wrote:What sample rate are you running at? If different than 32768 you need to use it instead of 32768 in the equations.

32768Hz, I'm aware of the sample rate and it's impact on the equations

I have been spending the last few days trying to understand how to do simple low pass and high pass filters. So far, I believe I understand how the low pass filtering is accomplished but I am baffled as to how to create a HPF. Based on this post http://www.spinsemi.com/forum/viewtopic.php?t=481&...

Do you guys experiment a high pitch whining with the ramping using this code?, I can't get rid of that!. The whining noise is due to the lack of interpolation when changing the delay length. The delay length change is being smoothed out, but it is still quantized to integer sample delays. Sean Cost...

Do you guys experiment a high pitch whining with the ramping using this code?, I can't get rid of that!.

adventure_audio wrote:Yes thats exactly what I am trying to do.

Do the dry signal analog, it's a nonsense to get it pass thru the adc/dac and not process it.

Can you use rdax with an equ const??.

My approach:

I modified the input buffer to give a gain of +10 instead of +1 to drive the FV-1 input harder, and modified the output buffer to compensate to bring the dry level back to unity gain. The wet signal is now dead silent....I mean in terms of noise. The FV-1 is working perfectly and is extremely quiet...

I know it has been a while since I asked about if the inputs should be directly tied together or if they would be better kept separate with the signal being fed to both inputs via their own filter network. I have managed to test out both options now and find no real difference in noise when the two...

In a different project I'm using 2 FV-1's but I must share control pots. It can be done with a single pot? (haven't tried yet, just evaluating possibilities but I don't want to use a dual pot). Thinked to buffer the CV signal and split it to both FV but the opamps offset will reduce the range of th...

In a different project I'm using 2 FV-1's but I must share control pots. It can be done with a single pot? (haven't tried yet, just evaluating possibilities but I don't want to use a dual pot). Thinked to buffer the CV signal and split it to both FV but the opamps offset will reduce the range of the...

I would use a cap and resistor on each input. The variance in DC offset could cause noise, to varying degrees. I made a last minute revision to the boards and added the option to be able to use either input configuration by not fitting some components and joining the inputs or to fit all the compon...