Search found 16 matches

by Sandrine
Mon Sep 14, 2015 9:09 pm
Forum: Algorithm development
Topic: playback of Audio Clips
Replies: 13
Views: 44317

Maybe he means removing a DC click. That's easy to do using a "zero crossing" state delay. I've done it with my sampler project and it seems to work. Set the loop points at only zero crossing moments (also direction can improve it) and that gets rid of the click sound. With low level signa...
by Sandrine
Thu Aug 06, 2015 8:29 am
Forum: FV-1 hardware questions
Topic: What is the best way to use mono input to both ADC's
Replies: 18
Views: 23725

I would use a cap and resistor on each input. The variance in DC offset could cause noise, to varying degrees.
by Sandrine
Thu Jul 16, 2015 7:40 pm
Forum: FV-1 hardware questions
Topic: Using 6 Pots on the FV-1
Replies: 7
Views: 16052

This is a very good idea, although one output is sorta disabled. Couldn't one use a toggle on the resonator ( sample ) frequency? I'm sure that could be predicted, or maybe I'm forgetting the internal multiplication... hmm Using an output channel, a crude ADC could also logically switch in more than...
by Sandrine
Fri Jun 19, 2015 7:11 pm
Forum: Algorithm development
Topic: Has Anyone Considered attempting a Vocoder?
Replies: 5
Views: 9604

Wow! That looks good Larry!
Unfortunately I'm not at home so can't play with it :|
Will try it out after I get back
SOunds about right with the crash guitar.
Cheers!
by Sandrine
Sun Jun 14, 2015 6:56 pm
Forum: Algorithm development
Topic: Please confirm NOP = 0x 0000_0011 ?
Replies: 5
Views: 7987

I noticed that too the other day. It seems to only change on an 8 bit roll. I thought it had some deep dark purpose..
by Sandrine
Sun Jun 14, 2015 10:39 am
Forum: Algorithm development
Topic: Has Anyone Considered attempting a Vocoder?
Replies: 5
Views: 9604

Yes, you're right. I hadn't considered how much space/band hmm. looks like I'll have to re-invent the wheel. something-recursive-something .."Can't be done" is what inspired my last project Larry, thanks ;)
by Sandrine
Fri Jun 12, 2015 10:39 am
Forum: Algorithm development
Topic: Has Anyone Considered attempting a Vocoder?
Replies: 5
Views: 9604

Has Anyone Considered attempting a Vocoder?

:idea: As far as I can see, making the FV-1 emulate a vocoder is entirely possible, 2 inputs (one for the carrier...a synth, osc whatever, and one for the modulator, your voice) I haven't really gave it much thought but has anyone done it?
by Sandrine
Fri Jun 12, 2015 8:38 am
Forum: FV-1 hardware questions
Topic: noise output "ring ring ... " help me pls!
Replies: 15
Views: 15963

Ha Ha Yes Pure, that's accurate of the feeling for sure!
by Sandrine
Tue Jun 09, 2015 8:18 pm
Forum: Algorithm development
Topic: FV-1 Insertion into an existing Distortion Module design
Replies: 0
Views: 29737

FV-1 Insertion into an existing Distortion Module design

If I'd have known about the FV-1 a few months ago I'd have used it in this design http://www.freshnelly.com/showbox-fx.htm#distpic and have the PIC controlling the FV-1 instead of the PIC handling the audio directly (and somewhat poorly with 8 bits) Also / or the PT2399's could be replaced by an FV-...
by Sandrine
Mon Jun 08, 2015 11:16 am
Forum: FV-1 hardware questions
Topic: noise output "ring ring ... " help me pls!
Replies: 15
Views: 15963

I'm not an FV-1 expert (yet lol!) but I agree with pure, plus tying the ADC inputs together without decoupling is a no-no on most digital audio chips. The tiny imbalance between the 2 ADC's could cause a DC flow and as ADC charges S&H caps the difference in level may be that sound. Just a thought
by Sandrine
Mon Jun 08, 2015 10:48 am
Forum: Algorithm development
Topic: Frank's delay time pot smoothing technique
Replies: 9
Views: 13707

Why not just mute the DACs after startup, then skip after the LPF has stabilized? I've done that with other audio designs, simple, effective
by Sandrine
Sat Jun 06, 2015 8:11 pm
Forum: Algorithm development
Topic: tap tempo snippet
Replies: 84
Views: 935395

I have a thought on varying the clock rate on the fly. I've used DDS chips (AD9850 board on ebay cheap) for synths/RF gens etc. They are dead accurate and range from <.1 hz up to 40MHz. An arduino controlling a DDS would allow switching to all sorts of sample rates. Here it is in the last synth I ma...
by Sandrine
Sat Jun 06, 2015 8:00 pm
Forum: Algorithm development
Topic: HEX TO ASM
Replies: 3
Views: 10690

Way to go Igor!
I was a bout to post that I've been using Flash to decode/decompile stuff
cheers!
by Sandrine
Wed Mar 25, 2015 4:00 pm
Forum: FV-1 hardware questions
Topic: atmel atmega emulates fv-1 eeprom!
Replies: 8
Views: 15347

Wow Thanks Slacker!
That's nice and slow, shouldn't be a problem
Cheers

oh BTW, it arrived in the mail (from Germany) an hour after my previous post, how's that for a coincidence!
by Sandrine
Wed Mar 25, 2015 8:21 am
Forum: FV-1 hardware questions
Topic: Minimum Open Loop Delay
Replies: 3
Views: 7703

Site?

Wow Chris that sounds cool! I just made a tiny synth and a distortion module that both have similar properties. I know it's been a while, but do you have a site?