"I'm really confused by what you might mean by "cent deviation is different depending on the octave"" Surely, it can't be all that difficult to figure out what he meant by that: The interpretation in Hz of one cent increases the higher up you go.
Ray Lurie
On Monday, February 8, 2016 1:30 PM, Jonathan Addleman <[log in to unmask]> wrote:
On 07/02/16 09:32 PM, T. Diehl wrote:
> TD: Hi Jonathan, If you are using a tuning device, they are none more
> accurate than +/- 1 cent. Whether iPhone or discrete device.
>
> JA: "..Not true at all. The one I mostly use, ttuner, is accurate to far
> more than 1 cent, and usually doesn't use cents at all. Most of the time I
> tune by ear, in any case, so that's not an issue even with cleartune..."
>
> TD: Sigh...Jonathan, T-tuner is accurate to +/- 0.5 cent. Which is 1 cent
> deviation...Cleartune is +/- 1 cent, which is 2 cents deviation. Cent
> deviation is different depending on the octave you are in, but the most
> standard point for these specs is the area around 440
No, ttuner, when a temperament is specified using cents (not the usual
method with this tuner) uses a floating point number. You can specify to
any sane degree of precision, though there's no point to using more than
a couple of digits past the decimal, of course! Same goes for specifying
the original frequency - you can set it to 415, or 415.3, or
415.288888884 if you want.
No idea where you're getting +/- 0.5 cent from. Maybe you're thinking of
another app?
(BTW, I wrote the original ttuner program that the app is based on...)
I'm really confused by what you might mean by "cent deviation is
different depending on the octave".. A tuner that gave different values
for different octaves wouldn't be very useful, would it? I think maybe
you're talking about something completely different than I am...
--
Jonathan Addleman - http://www.redowl.ca
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