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Re: How far has ETD progressed ? [Re: kpembrook] #2682045 10/14/17 09:09 AM
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alfredo capurso Offline
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Originally Posted by kpembrook

ETA are not scientific instruments objectively reporting data. They are devices that process the data and provide a readout based on the internal processing program. Contents and function of the program (how it does what it does) is not transparent but proprietary.


This morning I found this, a very detailed description by David Carpenter. The Sanderson and the Reyburn methods also are addressed at the beginning:

https://www.google.sr/patents/US20040025672

How far those ETA have progressed since then, I am not able to say, especially for what concerns the tuning of unisons, bass and trebles.

At [0199] we read:

"In the preferred embodiment, to determine the tuning corrections that will benefit the most important intervals, an interval prioritization table is set by weighting various interval types for each note in the piano, for example, as shown in Table 10..."...

I am not sure I understand that. Could someone help and say what we should understand?

Regards, a.c.
.


alfredo
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Re: How far has ETD progressed ? [Re: alfredo capurso] #2682078 10/14/17 10:33 AM
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Ed McMorrow, RPT Offline
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Frequency and pitch are not the same thing. Pitch is the way humans describe certain frequencies, (usually within a musical construct), so it takes a human auditory response to characterize it.

Measuring anything always entails error. No measurement is absolute.


In a seemingly infinite universe-infinite human creativity is-seemingly possible.
According to NASA, 93% of the earth like planets possible in the known universe have yet to be formed.
Contact: Ed@LightHammerpiano.com
Re: How far has ETD progressed ? [Re: alfredo capurso] #2682130 10/14/17 01:59 PM
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Originally Posted by alfredo capurso


"In the preferred embodiment, to determine the tuning corrections that will benefit the most important intervals, an interval prioritization table is set by weighting various interval types for each note in the piano, for example, as shown in Table 10..."...

I am not sure I understand that. Could someone help and say what we should understand?

.


Each note of the piano forms an interval with every other note of the piano, but for purposes of piano tuning, some intervals are more important than others, so the various intervals are prioritized.

Re: How far has ETD progressed ? [Re: Kent Swafford] #2682147 10/14/17 03:43 PM
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alfredo capurso Offline
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Originally Posted by Kent Swafford
Originally Posted by alfredo capurso


"In the preferred embodiment, to determine the tuning corrections that will benefit the most important intervals, an interval prioritization table is set by weighting various interval types for each note in the piano, for example, as shown in Table 10..."...

I am not sure I understand that. Could someone help and say what we should understand?

.


Each note of the piano forms an interval with every other note of the piano, but for purposes of piano tuning, some intervals are more important than others, so the various intervals are prioritized.


Thanks, Kent, I appreciate.

I find that feature intriguing, as it involves the way we listen to and evaluate a tuning, beat perception relative to some "important" intervals and the sense of "in tune" as a whole.

Is the user enabled to modify the way intervals are prioritized?
.


alfredo
Re: How far has ETD progressed ? [Re: alfredo capurso] #2682156 10/14/17 04:09 PM
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Originally Posted by alfredo capurso


Is the user enabled to modify the way intervals are prioritized?



Yes, to a limited extent. In the style files, three intervals can be chosen in each octave and weighted in relation to each other.

However, overall, the user is given quite complete control of the amount of stretch through the scale.

Last edited by Kent Swafford; 10/14/17 05:27 PM.
Re: How far has ETD progressed ? [Re: Kent Swafford] #2682159 10/14/17 04:37 PM
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Originally Posted by Kent Swafford
Originally Posted by alfredo capurso


Is the user enabled to modify the way intervals are prioritized?



I don't think so. Too complex. However, that said, the user is given quite complete control of the amount of stretch through the scale.



Complete control of the amount of stretch is (IMO) useful. When I think about partials matching, I realize I have no idea about which partials end up playing the most important role in my aural tunings, never figured that out. As for intervals, meaning "important" intervals, I wonder what the result would be with a different priority table.

There, they use this:

Octave Octave Octave Fifth Fifth Fourth Third Third Tenth
..4:2 .....2:1 .....4:1 ...6:4...3:2 ..4:3 ....5:4 ..6:5 ...5:2

Edit: And I wonder if that table was "assumed" or what.

Last edited by alfredo capurso; 10/14/17 04:44 PM.

alfredo
Re: How far has ETD progressed ? [Re: alfredo capurso] #2682169 10/14/17 05:28 PM
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I have corrected my previous post.

Re: How far has ETD progressed ? [Re: Kent Swafford] #2682170 10/14/17 05:35 PM
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alfredo capurso Offline
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Originally Posted by Kent Swafford
I have corrected my previous post.


Thanks.

Originally Posted by Kent Swafford
Originally Posted by alfredo capurso


Is the user enabled to modify the way intervals are prioritized?



Yes, to a limited extent. In the style files, three intervals can be chosen in each octave and weighted in relation to each other.

However, overall, the user is given quite complete control of the amount of stretch through the scale.


Meaning that those three intervals are within the octave, that they cannot be wider than an octave?
.


alfredo
Re: How far has ETD progressed ? [Re: alfredo capurso] #2682193 10/14/17 07:04 PM
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Originally Posted by alfredo capurso


Meaning that those three intervals are within the octave, that they cannot be wider than an octave?



No. The styles are organized by octave, but the individual intervals that are referenced can be various coincident partial pairs of octaves, 12ths, double-octaves, triple-octaves, etc., depending upon which part of the scale is being tuned.

Re: How far has ETD progressed ? [Re: Fazioli-Yang] #2685745 10/29/17 12:24 PM
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David Boyce Offline
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Fazioli-Yang, have you made any decisions on the basis of the replies here? Did you decide to go for a particular tuning software? How is it working out for you?

Re: How far has ETD progressed ? [Re: Fazioli-Yang] #2685932 10/30/17 10:40 AM
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Originally Posted by David Boyce
Fazioli-Yang, have you made any decisions on the basis of the replies here? Did you decide to go for a particular tuning software? How is it working out for you?

I am going to try Easy Piano app for sure because it's just $20. I need to buy a hammer before I can try it out.

And many thanks to That Guy who provided a really good update on the subject of this thread.

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