[sdiy] bitcrusher & friends

[john mahoney]

Ha! I just mentioned the LM3914 on a different list. :-D

10 levels wouldn't be bad. For example, you could have 16, 14, 12, 10, 8, 6,
4, 2, and 1 bit modes, with either a "bypass" or "mute" (zero bit!) mode as
the 10th option.
--
john


----- Original Message ----- 
From: "Michael Ruberto" <frankentron at hotmail.com>
To: <dave at westphila.net>; <synth-diy at dropmix.xs4all.nl>
Sent: Saturday, September 10, 2005 11:28 AM
Subject: Re: [sdiy] bitcrusher & friends


>
>
> >
> >Seems like an LM3914 bar graph driver and some AND gates could give you
VC
> >bits pretty easily.  At least in the 8-bit case.
> >
>
> This is the method I employ in my Aztec Processor. It works very well
except
> that you must use 2 3914s to get 8 or more bits. This is due to overlap in
> the outputs. IE my Aztec will digitize a signal to 5 bits using one 3914.
> The overlap also introduces switching artifacts into the signal which
> manifest as short pulses on the edges of each step.
> The new version of the Aztec will be posted soon for those interested in
> digitizing type effects.
>
> M. A. Ruberto
>
>