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    • #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.

    • #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

    • #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.

    • #20202
      fmaziers
      Participant

      So why to compare lips as the tension of a guitar string if it is just the speed of the air?

    • #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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