WindWorks Trumpet Academy Forums WindWorks Why faster air doesn’t change the pitch – thoughts on Andante Lips and Air Video Reply To: Why faster air doesn’t change the pitch – thoughts on Andante Lips and Air Video


Briliant posts above. A bit off the wall, but there is a general misconception of air and sound. A sound wave travels at the same speed (i.e. the speed of sound) whatever pitch etc. If the air packet (within which the sound is traversing) is moving then the actual sound’s ‘speed’ is in relation to the air. The sound-wave speed and frequency and air speed and pressure are all largely independent characteristics.

The relationship between pressure and air speed is interesting and one that comes up in relation to the tongue position or lung pressure. So raising the tongue or blowing “harder” (sorry Greg) will increase the speed of the air (possibly) simply because a volume of air is being pushed through a smaller hole or being forced at greater pressure.

Not sure where this is going. I’m still unsure by the value of increasing this flow. Other than increasing flow (amount or speed) of the air provides greater energy and thus the wave amplitude is greater (aka louder). I think the relationship between the lip aperture, lip tension and tongue position is still not 100% clear. Though Greg seems to be closest of any. I’m pretty sure that I can change the pitch with a change to any one of those three, but can’t prove this.

There are STILL great trumpet players saying complete nonsense though and surely the air speed and pitch/frequency relationship needs to get sorted. The violin bow model is great.

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