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Banned on 3/17/2009. Registered Member #487
Joined: Sun Jul 09 2006, 01:22AM
Location:
Posts: 617
Steve Ward wrote ...
I think I'm gong to try this using a low pass filter then feeding that into a comparator setup for pwm. Triangle wave will be low frequency like 500Hz. Then maybe have some way to set the max pulse width. Don't know how great it'll sound.
Audio frequency carrier? that would sound absolutely terrible. If nothing else, at least set the PWM to run at 25khz or more. But, considering you only get so many RF cycles inside of 1 period of 25khz you might be limited to about "4 bit" audio.
I know it would sound terrible lol, but just for the sample rate. I'm worried about too fast of a pulse rate and pulse width on a DRSSTC. it should be okay for just mostly bass. I tried it on a regular sstc with a 100KHZ triangle wave, which worked good but I'm not interested in playing MIDI files or full ranged music through a DRSSTC I want to try some of my old bass cd's in it and just use it as a subwoofer.
Registered Member #205
Joined: Sat Feb 18 2006, 11:59AM
Location: Skørping, Denmark
Posts: 741
Steve Conner wrote ...
My guitar signal processor is based on the work I did for Finn, so I'm still not telling how it works...
Steve,
I don`t think you need my permision to tell how the guitar interphase works, in fact I`d like to see it myself. So by all means, post it to the public.
Registered Member #639
Joined: Wed Apr 11 2007, 09:09PM
Location: The Netherlands, Herkenbosch
Posts: 512
Capper wrote ...
Don't get too close to the coil.....I had sparks from the strings to my fingers on this run, even though the preamp and wave shape circuits were optically isolated from the coil. I was told that a ground strap on the guitar neck helps (haven't tried it yet).
I think I understand how it works I was thinking of doing it this way before this form, I think most of them use a PWM and you can set the carrier frequency and BPS and PW and pretty much everything. I am working out how to keep a constant bit rate independent on input frequency and limit the input frequency. Otherwise I have a very nice sounding system ill post some new videos one I take another run (its at school, donated a medium sized one for the physics dep. although the music dep. has more interest in it lol)
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OMG musical DRSSTC vids
