[sdiy] Wavetable info

harrybissell harrybissell at prodigy.net
Fri Jan 2 04:14:03 CET 2004


So I guess I have to throw out my 100mmF capacitors ???   :^P

<teehee>

H^) harry  (noting that not ALL prefixes are agreed upon, though "ms" is.  For
those
too young to remember B&W TV... mmF was the previous designation now known as
"pF" )

Magnus Danielson wrote:

> From: Grant Richter <grichter at asapnet.net>
> Subject: Re: [sdiy] Wavetable info
> Date: Thu, 01 Jan 2004 02:07:12 -0600
> Message-ID: <BC193150.53F%grichter at asapnet.net>
>
> > >
> > > The Mini-Wave, Waveform City, Doepfer A-112 sample playback module use a
> > > straight uncompressed 256 byte / 8 bit sample. For the sake of simplicity,
> > > this corresponds to a sample time of 5.8 mS at a sample rate of 44.1 kHz.
> >
> > Note that 5.8 mS corresponds to one full cycle of a waveform sampled at
> > 172.26 Hz which is about 20 cents below F below middle C (~174 Hz).
>
> Hang on a minute!
>
> 5,8 milisiemens, it is rarely that we see this unit in use. Often we see stuff
> like 5,8 mmho, 5,8 m(ohm)^-1 etc.
>
> ... or did you intend to say 5,8 ms as in 5,8 miliseconds? Yeap, that must be
> it, since you seem to be discussing time and frequency.
>
> So, what am I trying to point out? You cant choose between capital and normal
> letters as you feel like, they have different meenings. This is important for
> both the units themselfs as well as the prefixes. For instance, a k means the
> kilo prefix, where as K means Kelvin.
>
> It is a specific point behind this. We have an agreed languague on how to
> convey quantitative information like measures and the units they are made in.
> By caring about the quality of how we convey this, we ensure that we minimize
> missunderstandings.
>
> Cheers,
> Magnus - nitpicking on the first day of the year...



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