Is the embouchure hole 90% of the flute?
- Akiba
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Is the embouchure hole 90% of the flute?
I've been thinking about this and saw it mentioned on the "small hole flutes" thread. It seems that the part of the flute that has the greatest impact is the embouchure hole and how it's cut. Perhaps the makers here can speak on this. Certainly tone is generated via the emb. hole, but also intonation, playability--I just don't know for sure. Screw up the embouchure and the flute is kindling.
jason
jason
- Terry McGee
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Re: Is the embouchure hole 90% of the flute?
90% of the flute might be an overestimation, but I'd certainly go so far as to say that it can be 50% of the problem. Which, as I sit here thinking further about it, makes some sense, because the flute is the combination of a generator (the embouchure hole) and a resonator (the long tube that normally sticks out to the right). Just like they used to say a car engine can only refuse to go for three reasons (fuel, spark and compression), we have basically two to worry about.
And what can be frustrating about an under-performing embouchure hole is that it can be quite hard to see why it's under-performing. Normally, it's dead obvious to the experienced eye. Sadly mishapen through lack of care or subsequent damage, an affront to the laws of acoustics and aerodynamics, and easily rectified.
Sometimes though it needs a microscope. I remember one time absolutely transforming a really high-end head with a single deft flick of the scalpel. The amount of wood removed would be unweighable. The owner was amazed. I was quite impressed too!
But sometimes, they just seem to have lost (or never had) the will to live. Those ones puzzle me, and I've listed that issue as one of the the things to address under the Flute Tone Investigations:
------------------------------------------
23. New heads on old flutes
It's my routine experience that a 19th century flute usually benefits dramatically from being fitted with a new head. I'd feel better about that, if I could always confidently point to what's wrong with the old head. Sometimes it's obvious, and that's fine. But I've had many cases of old heads that just don't sound good. I've tested them for leakage, replaced stoppers, inspected them for damage to the edge or chimney and found nothing. Clearly I need to look harder!
------------------------------------------
I'm in a cleft stick on one of them. My inner scientist insists that the material a head is made of should not affect the tone (given identical dimensions, finish, etc). And yet I'm very aware of a certain unpleasant raspiness of tone that I associate mostly with flutes that have lip plates extending round to the blowing edge. So, whatever I find, one of me is bound to feel cheated! Or both.
Terry
And what can be frustrating about an under-performing embouchure hole is that it can be quite hard to see why it's under-performing. Normally, it's dead obvious to the experienced eye. Sadly mishapen through lack of care or subsequent damage, an affront to the laws of acoustics and aerodynamics, and easily rectified.
Sometimes though it needs a microscope. I remember one time absolutely transforming a really high-end head with a single deft flick of the scalpel. The amount of wood removed would be unweighable. The owner was amazed. I was quite impressed too!
But sometimes, they just seem to have lost (or never had) the will to live. Those ones puzzle me, and I've listed that issue as one of the the things to address under the Flute Tone Investigations:
------------------------------------------
23. New heads on old flutes
It's my routine experience that a 19th century flute usually benefits dramatically from being fitted with a new head. I'd feel better about that, if I could always confidently point to what's wrong with the old head. Sometimes it's obvious, and that's fine. But I've had many cases of old heads that just don't sound good. I've tested them for leakage, replaced stoppers, inspected them for damage to the edge or chimney and found nothing. Clearly I need to look harder!
------------------------------------------
I'm in a cleft stick on one of them. My inner scientist insists that the material a head is made of should not affect the tone (given identical dimensions, finish, etc). And yet I'm very aware of a certain unpleasant raspiness of tone that I associate mostly with flutes that have lip plates extending round to the blowing edge. So, whatever I find, one of me is bound to feel cheated! Or both.
Terry
- I.D.10-t
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Re: Is the embouchure hole 90% of the flute?
I have taped over the finger holes and can still play a tune or two.
I have never been able to cover the embouchure and play.
The big hole down the center seems important too.
Length seems to have something to do with it too, my fife doesn't play in D.
Find a tube, blow across the top and play any bugle tune. A bugle is a tube, so is a flute 99.9% of the time.
I have never been able to cover the embouchure and play.
The big hole down the center seems important too.
Length seems to have something to do with it too, my fife doesn't play in D.
Find a tube, blow across the top and play any bugle tune. A bugle is a tube, so is a flute 99.9% of the time.
Last edited by I.D.10-t on Fri May 14, 2010 6:27 am, edited 1 time in total.
"Be not deceived by the sweet words of proverbial philosophy. Sugar of lead is a poison."
Re: Is the embouchure hole 90% of the flute?
drainage, innit?I.D.10-t wrote:The big hole down the center seems important too.
Picture a bright blue ball just spinning, spinning free
It's dizzying, the possibilities. Ashes, Ashes all fall down.
It's dizzying, the possibilities. Ashes, Ashes all fall down.
- I.D.10-t
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Re: Is the embouchure hole 90% of the flute?
The embouchure fills quickly without it.Denny wrote:drainage, innit?I.D.10-t wrote:The big hole down the center seems important too.
"Be not deceived by the sweet words of proverbial philosophy. Sugar of lead is a poison."
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Re: Is the embouchure hole 90% of the flute?
I know what you are saying Terry, sometimes the flute just doesn't play, swap heads and the flute sings!Terry McGee wrote:90% of the flute might be an overestimation, but I'd certainly go so far as to say that it can be 50% of the problem. Which, as I sit here thinking further about it, makes some sense, because the flute is the combination of a generator (the embouchure hole) and a resonator (the long tube that normally sticks out to the right). Just like they used to say a car engine can only refuse to go for three reasons (fuel, spark and compression), we have basically two to worry about.
And what can be frustrating about an under-performing embouchure hole is that it can be quite hard to see why it's under-performing. Normally, it's dead obvious to the experienced eye. Sadly mishapen through lack of care or subsequent damage, an affront to the laws of acoustics and aerodynamics, and easily rectified.
Sometimes though it needs a microscope. I remember one time absolutely transforming a really high-end head with a single deft flick of the scalpel. The amount of wood removed would be unweighable. The owner was amazed. I was quite impressed too!
But sometimes, they just seem to have lost (or never had) the will to live. Those ones puzzle me, and I've listed that issue as one of the the things to address under the Flute Tone Investigations:
------------------------------------------
23. New heads on old flutes
It's my routine experience that a 19th century flute usually benefits dramatically from being fitted with a new head. I'd feel better about that, if I could always confidently point to what's wrong with the old head. Sometimes it's obvious, and that's fine. But I've had many cases of old heads that just don't sound good. I've tested them for leakage, replaced stoppers, inspected them for damage to the edge or chimney and found nothing. Clearly I need to look harder!
------------------------------------------
I'm in a cleft stick on one of them. My inner scientist insists that the material a head is made of should not affect the tone (given identical dimensions, finish, etc). And yet I'm very aware of a certain unpleasant raspiness of tone that I associate mostly with flutes that have lip plates extending round to the blowing edge. So, whatever I find, one of me is bound to feel cheated! Or both.
Terry
Other times I see people discarding nice head joints for a new replacement, when to me the original sounds better...
I wonder if there is any sharp edges in the air channel to cut the sound waves, on your questionable head joint?
liner edge on the edge of the embouchure, etc... But I am sure you know all that.
I have some flutes with lip plates like that, but they play nice and clear, like my nice old Blackman flute. Might be the way the lip plate edge is finished? The nice thing about the lip plate, the edge probably hasn't changed much over the years, versus the wooden edge.
"I love the flute because it's the one instrument in the world where you can feel your own breath. I can feel my breath with my fingers. It's as if I'm speaking from my soul..."
Michael Flatley
Jon
Michael Flatley
Jon
- Casey Burns
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Re: Is the embouchure hole 90% of the flute?
There are other factors besides the embouchure itself that might account for one head playing better than another. The most testable one is the cork position.
Then there are other factors such as the bore diameter. Sometimes a slightly wider bore will improve a flute. Or even a narrower bore. There is no way to predict this, except by testing. Easy to do if you make flutes - not so easy for players.
The position of the embouchure with respect to the flute body is also important. To stay at pitch, the embouchure will need to be sized larger if higher up on the head joint. Or smaller if closer to the body. Again, one observes this while making several flutes.
Then one runs into the embouchure with respect to where the bore goes from cylindrical in the head joint to conical in the body. Too high up or too far down can ruin the balance and sometimes the overall scaling intonation. There has to be a sweet spot. This is only found by making several flutes and tweaking this aspect to find that sweet spot. But putting a different head joint on with a slightly different embouchure to lower end length sometimes is the responsible factor above anything else. The embouchure or bore inside the head joint may have nothing to do with this.
As to the embouchure - there are several factors. Wall thickness, x versus y size, the shape of the undercutting, the edge sharpening, etc. When voicing flutes I try to stop when I sense that one additional cut with the knife will ruin the balance that I have just achieved. It takes making several flutes to learn just where this spot lives. And it can change over time as one's reamers wear, and cut a slightly different bore pattern, or from other variables.
Don't mess with and attempt to change the embouchures on your flutes, especially after you hear "advice" on C&F or elsewhere online! I don't even mess with embouchures on old flutes, or ones made by other makers - and I have made thousands of wooden flutes! Simply won't touch them - otherwise its a Pandora's Box, kind of like that gusher in the Gulf.
Casey
Then there are other factors such as the bore diameter. Sometimes a slightly wider bore will improve a flute. Or even a narrower bore. There is no way to predict this, except by testing. Easy to do if you make flutes - not so easy for players.
The position of the embouchure with respect to the flute body is also important. To stay at pitch, the embouchure will need to be sized larger if higher up on the head joint. Or smaller if closer to the body. Again, one observes this while making several flutes.
Then one runs into the embouchure with respect to where the bore goes from cylindrical in the head joint to conical in the body. Too high up or too far down can ruin the balance and sometimes the overall scaling intonation. There has to be a sweet spot. This is only found by making several flutes and tweaking this aspect to find that sweet spot. But putting a different head joint on with a slightly different embouchure to lower end length sometimes is the responsible factor above anything else. The embouchure or bore inside the head joint may have nothing to do with this.
As to the embouchure - there are several factors. Wall thickness, x versus y size, the shape of the undercutting, the edge sharpening, etc. When voicing flutes I try to stop when I sense that one additional cut with the knife will ruin the balance that I have just achieved. It takes making several flutes to learn just where this spot lives. And it can change over time as one's reamers wear, and cut a slightly different bore pattern, or from other variables.
Don't mess with and attempt to change the embouchures on your flutes, especially after you hear "advice" on C&F or elsewhere online! I don't even mess with embouchures on old flutes, or ones made by other makers - and I have made thousands of wooden flutes! Simply won't touch them - otherwise its a Pandora's Box, kind of like that gusher in the Gulf.
Casey
- Cubitt
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Re: Is the embouchure hole 90% of the flute?
IMO, the answer is an emphatic "NO." I can make any embouchure work well, but there are other factors that are hard to overcome. I don't have Casey's or Terry's knowledge to comment on things like bore size, but I do know that fingerhole size and placement make a lot of difference. If you don't or can't cover the holes, you're in trouble. If the flute doesn't seal, you're in trouble. There are better and worse head joints/embouchures, but 90% of the flute? I don't think so.
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- Blayne Chastain
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Re: Is the embouchure hole 90% of the flute?
Nice thread. I suppose this goes without saying but at the end of the day, you're only as strong as your weakest link. Putting a number such as 90% on the value of a flute component is perhaps misleading though I would say that if the headjoint is poorly made or has issues, you'll want to figure that out if you want to sound the best you can on your given instrument (or get a different one). True, an experienced player can make any flute sound better than a less experienced player but this can only be relatively true and is why experienced players generally wind up playing flutes that give back what they're putting in to them. (i.e. Any pros playing pakistani Irish flutes out there?
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- I.D.10-t
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Re: Is the embouchure hole 90% of the flute?
It does make me wonder what percentage of the time spent on individual sections are to make.
Stopper, barrel, foot, rings, keys, head joint, body, etc.
Stopper, barrel, foot, rings, keys, head joint, body, etc.
Last edited by I.D.10-t on Wed May 19, 2010 9:12 am, edited 2 times in total.
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Re: Is the embouchure hole 90% of the flute?
IMHO it is impossible to assign percentages to certain parts of flutes to express how much they form sound/tone/playability, except one*. The flute is a system of different parts (including the player) and if you change one variable, others will change as well. A headjoint that works great might become less resonant when you change the position of a tone hole or two. A change in the bore profile might render a bad headjoint great, or a great one bad. Changing the cork position might render a difficult flute into an easy player for person A, but mess it up for person B. All that isn't static, but dynamic, and the goal is to find a good combination of parameters, as Casey said. Trying out different cork positions certainly is a good idea, as you won't damage anything and the effect can be huge, really.
* the player has the biggest influence, save the occasional FUBAR pakistani table leg.
* the player has the biggest influence, save the occasional FUBAR pakistani table leg.
- Akiba
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Re: Is the embouchure hole 90% of the flute?
Thanks for all the posts, Chiffers. Of course, the percentage in the title is arbitrary and on the one hand rather meaningless. Good conversation starter, though, and made my point of how important the emb hole seems to be.
Cheers,
jason
Cheers,
jason
Re: Is the embouchure hole 90% of the flute?
it's what separates 'em from the fipple flutes, innit
Picture a bright blue ball just spinning, spinning free
It's dizzying, the possibilities. Ashes, Ashes all fall down.
It's dizzying, the possibilities. Ashes, Ashes all fall down.
- Akiba
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Re: Is the embouchure hole 90% of the flute?
So, can I say that 90% of the flute is actually the player?
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"However to me, above all it's not about the whistles. I love all my whistles, but I love the music more."
"However to me, above all it's not about the whistles. I love all my whistles, but I love the music more."