Whistles tend to pitch up

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pancelticpiper
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Re: Whistles tend to pitch up

Post by pancelticpiper »

Brus wrote: In tune for equal temperment or just temperment?
Well a sharp 4th (what would be a G on a D whistle) isn't in tune with either, and that was the problem with that Generation C.

"Playing in tune" is situational. So, Mary Bergin is playing there along with a fretted instrument, which plays in Equal Temperament.

Her 3rds (say, F# if she's playing a tune in D, or B if she's playing a tune in G) will be in tune with her accompaniment if they're at their ET places (either because the whistle is made that way, or she blows the whistle that way... with high whistles you can blow notes all over the place) and they won't be in tune with her accompaniment if they're at their Just Intonation places.

(I'm assuming that you mean Just Intonation when you say 'just temperament' which is an oxymoron.)

http://en.wikipedia.org/wiki/Just_intonation

http://en.wikipedia.org/wiki/Musical_temperament

For the sorts of playing I do (with a guitar, and doing 'legit' gigs) I have to have everything ET. Were I ever to need JI I'd just throw a bit of tape on my F# and B... but in 35 years of playing I've never needed to do that.
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Re: Whistles tend to pitch up

Post by sverretheflute »

Thank you pancelticpiper for a good an long answer. Sorry for my late response. I actually have two Generation whistles, but I'm not very found of them, and I find it hard to shift between the octaves.

I'm quite close to buy a higher-end whistle, it's closing in for the right time for such now. I will look around on youtube and find a sound I like. But maybe I'll buy a sweetheart rosewood low d first. :) http://www.sweetheartflute.com

Thank you also you others for your replies.

sverretheflute
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Re: Whistles tend to pitch up

Post by Mitch »

MTGuru wrote:
Cheap whistles are rarely flat. Of the hundreds I’ve tested, most are about 20-cents sharp with the tuner on A=440.
I have no idea what that means. Most "cheap whistles" are tunable, and they are neither sharp nor flat. They are however you set them. Also, Mitch Smith (Mozle) is a fine whistle maker, but we have no idea how he plays or what his personal breath pressure habits are.

This is the only part that is relevant:
There is another thing to remember with the Clarke tin-whistles - they are extremely conical. This makes the second octave sharp until you learn to back-off on the air pressure.
In other words, a conical whistle will be especially sharp in the 2nd octave if you blow too hard. Which takes us back to my comment that you may be blowing too hard.

I have the numbers if you wish to do your own analysis.

I tested 100. I took readings from the time a note was measurable to the time the note broke into chaos before entering the next register and recorded the median required to get to the next note without breaking into chaos.
I like chaos - I record where it begins .. that's the "point of accumulation" for anyone with the theory under their belt.

On top of that I imported examples of every known maker as at 2006 - and tested them .. that's while ago - there have been a few more makers doing pretty much the same stuff since then.
But, suffice to say - I measured the lot of them within 0.005 millimetres on every dimension without ultra-sounding the internal bores or windways. However, I do have such scans of historical flageolets and tabor-pipes.

The Generation whistle is statistically sharp on an average of 15 per-cent of a tone (over 100 samples - from low 0.5 to high 89.6 - on the most out-of-tune notes).
That does not depend on anyone's breath-habit - the measure was done from a compressor-tank through a pressure measured hose - not my mouth.

The Feadog is almost exactly as sharp, except that they have stopped gluing the head on - which makes it marginally tunable.

I have tested no commercial toys called whistles that are not sharp on first play - and as they warm-up they become sharper.

I would be glad if any one here does the empirical testing to let me know if anything has changed in the world of commoditized musical toys since 2006.

But fear not - your considered ignorance is entertaining none the less - lets not spoil it with any truth huh?

Anyone here with a good joke?

Here;'s good one:

What happens to the tuning if you change the diameter of the tube?
What happens to it when you change it locally at increments of 1mm through the whole bore?
What happens when the slope of the "perturbation changes between square and sinusoidal profiles?

There's a funny thing - let me know what you find - I have some data, but I haven't gotten the whole spectrum of profiles done yet .. it makes a pretty graph .. happy to share with anyone who has genuine data.

But it's a kinda funny thing to do - probably better to just larf.

Her's another funny one:

Who here can tell me the undercut slope as driven by the tuning-slide gap?
Wow - that one makes me larf like mad - it can be gotten! .. but the origin and angle of the circle is very hard to fix .. it might not be a point-origin .. it might be a vector .. LOL!!! that makes me larf.

This world is such a funny place - I would not leave it if you paid me.

Next!!!
All the best!

mitch
http://www.ozwhistles.com
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Re: Whistles tend to pitch up

Post by MTGuru »

Mitch wrote:But fear not - your considered ignorance is entertaining none the less - lets not spoil it with any truth huh?
Is that supposed to be an insult?

It's an interesting experiment, and you're not the first. But it doesn't say much about the OP topic, for a number of reasons.

o "Cheap whistles" is not an analytic category, so averaging data over a set of whistles selected by price is meaningless. Measuring one particular whistle model, like the OP's Clarke C, might be meaningful.

o Any whistle with a movable head is tunable, and that includes Generation, Feadóg, Waltons, Clare, Sweetone/Meg, Dixon Trad, Oak. And measuring without first tuning them to a consistent pitch standard is meaningless. If the methodology is to test them as delivered, then all that's being measured is the maker's assembly procedure in placing the heads on the tubes. And finding that the factory default is inconsistent or wrong (e.g. consistently sharp) is a trivial result. Like concluding that automobiles are defective because the seats and mirrors need to be adjusted before driving them.

The pressure/pitch slope is an empirical measure that's meaningful only if the whistle is tuned. Otherwise you can produce median numbers that are as sharp or flat as you want them to be within the physical limits of the head placement on the tube.

o Using the average or median of the pressure/pitch curve (either axis) as the measure of the "actual" pitch of a note is something only a non-player would do. In practice, the sweet spot along the curve is entirely up to the player's breath habit and his/her preferences for how the whistle sounds and responds. Tune low and play near the upper chaos boundary. Or tune high and play near the lower inception boundary. Or somewhere in between. And the sweet spot is a dynamic adjustment from note to note.

Blow like an air pump with a manometer attached - because you're an air pump with a manometer attached - and you're demonstrating a mechanical analogue of no real whistle performance ever.

Again:
MTGuru wrote:Mitch Smith (Mozle) is a fine whistle maker, but we have no idea how he plays or what his personal breath pressure habits are.
This is a general, recurring issue. We've all seen/heard playing demos by makers of their own whistles. Whether the maker is a fine player or a more rudimentary whistler, you get a sense of the performance technique, for better or worse, that informs the design decisions behind the instrument. Not to say that a poor player (or even non-player) can't end up creating a great whistle; there are examples of that, too. But in the absence of examples of your playing on your website or around the interwebs, most of us here will not know which you are. And a clip would be both interesting for your fans and customers, and perhaps inform your comments more effectively than the description of a methodologically ambiguous experiment. Especially if you can demo the impossibility of playing one of the cheap whistles at pitch. :wink:

Cheers!
Vivat diabolus in musica! MTGuru's (old) GG Clips / Blackbird Clips

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Dr. Mierzwiak: Well, technically speaking, the procedure is brain damage.
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Re: Whistles tend to pitch up

Post by pancelticpiper »

Interesting that MT Guru weighed in on Mitch's post, which I took to be nothing more than a windup, or tongue-in-cheek.
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Re: Whistles tend to pitch up

Post by MTGuru »

pancelticpiper wrote:I took to be nothing more than a windup, or tongue-in-cheek.
I don't think so, Richard. Knowing Mitch as an online friend, I think the experiment is sincere despite the eccentric verbiage. The results are not applicable to the question at hand, but could be useful in other ways. For example, whistles with relatively small pressure-range and pitch-rise curves across their compass, and comparable pressure from note to adjacent note, could be (theoretically) easier for beginners to play in tune, but may be less expressive for more advanced players.
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Re: Whistles tend to pitch up

Post by Tunborough »

As I read Mitch's post (something I usually avoid), the "median" he measured was over the sample of 100 whistles, not the pitch between lowest and highest for a given note. It isn't clear to me what measured pitch he's comparing to the standard D5 = 587.3 Hz to say that the whistles are "statistically sharp". If he's comparing the maximum possible pitch of each note, well of course that's going to be sharp of the intended playing pitch. How much sharper will depend on how the player chooses to play the whistle.

There's also the issue of the air properties. Air from a compressor or bellows is likely to be at ambient temperature and humidity, and about 400 ppm CO2. Air we blow through a whistle will be significantly warmer, closer to 100% R.H., and closer to 40,000 or 50,000 ppm CO2.

A model of air properties applied to one particular high D whistle suggests it will play:

- 17 cents sharper at 27 C than at 22 C.
- 11 cents sharper at 100% R.H. than at 0%.
- 16 cents flatter at 40,000 ppm CO2 than at 400 ppm.

To some extent, these effects cancel out, but I wouldn't be surprised to see a compressor playing a whistle 10 cents flatter than I do.
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Re: Whistles tend to pitch up

Post by pancelticpiper »

MTGuru wrote: whistles with relatively small pressure-range and pitch-rise curves across their compass, and comparable pressure from note to adjacent note, could be (theoretically) easier for beginners to play in tune, but may be less expressive for more advanced players.
Ah yes I didn't pay attention to that, which I think is true. It's why Burkes are so great for studio musicians, especially what are called 'doublers' in the industry: the various notes just pop out right at pitch. The 2nd register is especially good that way.

But, compared to, say, an Overton, on a Burke there's a very narrow window of pressure that the note will sound in. On an Overton there's a vast amount of room above and below 2nd octave notes... you can back off till 2nd octave notes are whisper-soft and a mile flat and they still stay up there in the 2nd octave. On a Burke they just fall down to the low octave if you back off even a little.

About that post above, the stuff I thought was not intended to be taken seriously was the stuff about Generations and other tunable whistles being 'statistically sharp'. Pull out the heads, and they'll all be statistically flat.
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Re: Whistles tend to pitch up

Post by highwood »

About that post above, the stuff I thought was not intended to be taken seriously was the stuff about Generations and other tunable whistles being 'statistically sharp'. Pull out the heads, and they'll all be statistically flat.
I think the point is that as delivered Generations are sharp (based on my limited personal experience and what I have read over the years - i.e. not a scientific opinion) , and while they can be tuned with some effort they should not be considered tunable as delivered. I say this because the heads are firmly attached to the bodies and tuning typically involves hot water - http://www.chiffandfipple.com/tweak.html - or a somewhat scary physical process involving an O'Riordan whistle and its owner (who we'll refer to as JM) in which the O'Riordan whistle body is used as a sliding hammer to free the head of the Gen. And so I further believe (with little evidence) that most Gens out there are not tunable, that is a normal human could not grab the head with one hand and the body with other and tune the thing and that many owners of said whistles are often unaware that their whistle could be tuned and would probably somewhat horrified to watch someone doing it for them (personal experience, not my whistle, but my ears were grateful for the rest of workshop week).

Also worth noting that in the amazing playing of Mary Bergin linked to previously she is playing an Eb Gen whistle and it sounds quite sharp to my ears, to a couple of tuner apps and if I run RTTATuner (iOS app) it suggests the playing is about 30 cents sharp of A440. Guess Alec Finn didn't just blindly tune his instrument to some electronic gizmo calibrated to A440
And... following a link on the Mary Bergin youtube page I found http://www.youtube.com/watch?v=VcZCM2EtGuA - also an Eb Gen and a bit sharper, more than 30 cents sharp.
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Re: Whistles tend to pitch up

Post by highwood »

Any whistle with a movable head is tunable, and that includes Generation, Feadóg, Waltons, Clare, Sweetone/Meg, Dixon Trad, Oak. And measuring without first tuning them to a consistent pitch standard is meaningless. If the methodology is to test them as delivered, then all that's being measured is the maker's assembly procedure in placing the heads on the tubes. And finding that the factory default is inconsistent or wrong (e.g. consistently sharp) is a trivial result. Like concluding that automobiles are defective because the seats and mirrors need to be adjusted before driving them.
I will only address Generation whistles - due to more experience with them

Going backwards
- seats and mirrors have reasonably obvious adjust mechanisms, are expected to have such adjustments, the car comes with a manual that outlines how the adjustment is done, and the adjustment is not physically locked in place requiring knowledge from an expert or an internet search to learn that it is possible and how to do it without (hopefully) harming the seat or mirror.
- imagine your mirror came glued in one position and the advice is to either hit it with a rubber mallet on the top left corner or to pour hot but not boiling water over it and then push into position - but please don't burn yourself!
- as to measurements it is perfectly valid to measure something as delivered even if it is adjustable. Mirrors and seats are a bad example - there is no reasonable one correct setting or even a good starting point. If you are measuring a Burke you should adjust before measuring, if your are measuring a one piece whistle you obviously can only test as supplied, if you are measuring a Generation whose head requires extraordinary effort to move I think you should treat as a one piece whistle and measure as supplied and then perhaps release the head and remeasure - but you now have (IMO) a tweaked whistle.
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Re: Whistles tend to pitch up

Post by highwood »

As I pushed the submit I realized I could of just said:
Any whistle with a movable head is tunable
In the case of a Gen I don't think that as delivered the head is movable - everything else follows from this

As to the others I do not have enough knowledge to comment
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Re: Whistles tend to pitch up

Post by highwood »

pancelticpiper wrote:A Generation whistle should sound like this

http://www.youtube.com/watch?v=ZEW1HQBk4WM
At least an Eb can sound like this
A GenD is a different beast - and I don't think its the luck of draw with the head, I have a couple of D bodies, an Eb body and the heads that came with them - a broken Eb head prompted mixing and matching, I consistently preferred the Eb whistle, sweeter sound and different tuning relative to itself and perhaps a bit more responsive.
I don't remember checking the tunings carefully (measuring or prolonged playing with others) and it probably should be mentioned that these were older style Gens - I don't believe the tubes have changed, please correct me if i'm wrong about this
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Re: Whistles tend to pitch up

Post by pancelticpiper »

I get the point about Generations coming with the heads glued on, but for many years, a half-century at least, Irish musicians have bought them and unglued them and adjusted them and played them in tune.

If a newbie whistleplayer is defeated by the factory glue on a Generation, heaven help them if they take up the pipes! The expectation that an instrument should be on pitch as it comes out of the box would be regarded as ridiculous by pipers (or indeed by string players). From my very beginning as a whistleplayer I accepted the fact that to make the Generations and Clarkes (the only whistles available in the 1970s) playable I would have to unglue and pack the heads, and carve the toneholes, of the Generations and alter the windways of the Clarkes.

Yes one would think that at the Generation factory they would figure out where the heads needed to be for Concert Pitch and glue them there, or better yet not glue them at all. It's not rocket science.

About Mary Bergin, I would think that when she's playing solo she has her whistles adjusted to their maximum 'sweet spot' but that she would, as a matter of course, adjust them to be in tune with any group she were to play with. I used to hear this all the time, back in the 70s and 80s, with Irish fluteplayers. Any Irish guy who I would hand my flute to would immediately push the headjoint all the way in and rotate the foot so that those pesky keys were out of the way. They wanted the increased brightness and ease of play from the shorter scale length, and didn't care much about their pitch.

About Generation Eb's playing better than D's, many years ago an old-timer pointed out that Generation D's were the only Generations to not have specialized dedicated heads and tubing, but in fact were simply stretched Eb's. His opinion was that the D's weren't in the original Generation stable and were back-engineered when a demand for D whistles emerged, and that the D's were the poorest of all the Generation sizes. As I recall his opinion was that Generations originally were offered in soprano/alto pairs Bb/Eb and C/F. I have no idea if this theory is true.
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Re: Whistles tend to pitch up

Post by Tunborough »

pancelticpiper wrote:Mary Bergin ... has her whistles adjusted to their maximum 'sweet spot'
If Generations have a 'sweet spot' that is sharp of A440, isn't that the same as saying they are designed to play sharp?

Rather than a 'sweet spot', I think something else is happening ...
pancelticpiper wrote:They wanted the increased brightness
An instrument that is a hair sharp of everybody else is going to sound "brighter" and cut through better. If you're manufacturing a musical instrument, it stands to reason that you want it to stand out. If tuning it sharp is what it takes, well, ... that's what it takes.
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Re: Whistles tend to pitch up

Post by highwood »

Tunborough wrote:
pancelticpiper wrote:Mary Bergin ... has her whistles adjusted to their maximum 'sweet spot'
If Generations have a 'sweet spot' that is sharp of A440, isn't that the same as saying they are designed to play sharp?
ummmm... I'd say yes
Rather than a 'sweet spot', I think something else is happening ...
pancelticpiper wrote:They wanted the increased brightness
An instrument that is a hair sharp of everybody else is going to sound "brighter" and cut through better. If you're manufacturing a musical instrument, it stands to reason that you want it to stand out. If tuning it sharp is what it takes, well, ... that's what it takes.
30cents or so is not a hair sharp its closer to 'WT... key are they playing in?'
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