[Homeroast] Article on automated system of coffee roasting based on crack sounds

Barry Luterman lutermanb at gmail.com
Mon Jun 16 09:34:43 CDT 2014


Yes or to put it another way. You are measuring the actual event (crack)
rather than a measure of a related event (temp) and then inferring about
the evem from the measurement.


On Mon, Jun 16, 2014 at 6:26 AM, Ben Treichel <J.W.Bullfrog at gmail.com>
wrote:

> Different purpose, since at best we measure the temp of the bean mass, and
> at worst the input air temp, The sound of the crack indicates a roasting
> event, which is not necessarily temp dependent; time and time is a better
> indicator.
>
>
> On Mon, Jun 16, 2014 at 8:15 AM, David Rossell <davidjohnrossell at gmail.com
> >
> wrote:
>
> >
> http://scitation.aip.org/content/asa/journal/jasa/135/6/10.1121/1.4874355
> >
> > Why that would be better than a thermometer to measure bean temperature,
> > I'm not sure . . .
> >
> > David
> >
> > --
> > David Rossell
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