Yahoo Groups archive

Doepfer

Index last updated: 2026-04-29 00:15 UTC

Message

Re: Please explain white noise & random

2005-10-12 by selfoscillate

yes, exactly.

best wishes

ingo


--- In Doepfer_a100@yahoogroups.com, "trebcavxx" <richardbarton@c...> 
wrote:
>
> So it samples the VOLTAGE LEVEL of the input ?
> Richard
> 
> --- In Doepfer_a100@yahoogroups.com, "selfoscillate" 
> <synaptic_music@y...> wrote:
> >
> > 
> > hello richard,
> > 
> > it doesn't make a difference which signal is presented
> > to the s&h input, you can use any signal.
> > the result is always a constant voltage at the s&h output,
> > no matter what signal is used as input.
> > the s&h doesn't track frequencies, so it is no
> > pitch-to-voltage converter. it simply samples the actual
> > input and outputs that value until the next trigger happens.
> > a pitch-to-voltage converter is something completely different.
> > 
> > best wishes
> > 
> > ingo 
> > 
> > 
> > 
> > 
> > 
> > --- In Doepfer_a100@yahoogroups.com, "trebcavxx" 
> <richardbarton@c...> 
> > wrote:
> > >
> > > I have a question about white noise and random notes. In my own 
> > setup 
> > > (most of it Doepfer, but not all) - I generate random notes by 
> > > inputting the noise generator into the sample & hold module, 
and 
> > then 
> > > getting my random frequency tones by inputting a trigger into 
the 
> > S&H 
> > > from a clock. My query is - If the noise generator is actually 
> > > outputting an audio noise signal rather than a rapidly changing 
> > train 
> > > of voltages, how does the sample & hold recognise them ? - 
Surely 
> > the 
> > > sample & hold circuit only recognises VOLTAGE LEVELS rather 
than 
> > > frequencies.
> > > If I can patch the noise generator straight into a mixer and 
hear 
> > > noise, then surely that signal is not a train of voltages, but 
is 
> a 
> > > train of frequencies.
> > > Does this mean that the sample & hold can be used as a pitch-to-
> > voltage 
> > > converter ?
> > > .... or am I getting something wrong here ?
> > > Richard
> > >
> >
>

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.