Pitch? - WindWorks Trumpet Academy by Mystery to Mastery | WindWorks Trumpet Academy by Mystery to Mastery

This topic has 4 replies, 3 voices, and was last updated 5 years, 1 month ago by Greg Spence.

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- 8 March 2019 at 10:29 am #19753
  
  fmaziers
  Participant
  
  Hello Greg,
  Could you tell me if the pitch is fixed by the air speed (air compression) or the tension of the lips or both? All the best
  Francis.
- 8 March 2019 at 11:55 am #19755
  
  Greg Spence
  Keymaster
  
  Hey Francis, the pitch is set by the oscillation of the air column which is determined by the tension of the lips plus air compression, so both I suppose – The Sound Equation: Sound = Flow + Tension
  
  Watch Compression Depression since you are an Ultimate Level member, it is explained in detail there.
  
  The best psychology to eliminate over-blowing is SHAPE change without pinching the middle of the lips. Be sure to maintain the feeling of the “AaahOooh” and the BCH!
  
  It will all become very clear as you watch through the course.
  
  Cheers,
  Greg
- 15 March 2019 at 7:47 am #20000
  
  hanshab9
  Participant
  
  Greg is right. for low tones the aperture is larger therefore the compression ( air speed) is less, as the aperture tightens the compression (air speed) increases. this follows the basic laws of fluid flow in physics.
- 19 March 2019 at 8:26 pm #20202
  
  fmaziers
  Participant
  
  So why to compare lips as the tension of a guitar string if it is just the speed of the air?
- 20 March 2019 at 1:16 pm #20236
  
  Greg Spence
  Keymaster
  
  Hey Francis, think of the sound equation – Sound = Flow + Tension for a simple model. The flow (or strum) is volume and the tension is the pitch.
  
  The main reason for this whole idea is to dispel the thought that blowing faster air changes pitch; thats the same as saying to strum a guitar string harder to play a higher note.
  
  Cheers,
  Greg
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