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Topic: Electric irish whistle - what sensors to use? (Read 1 time) previous topic - next topic

PaulS

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The capacitive sensing scheme suggested appears to accomodate analog measurement of finger position.

Right. But the measurement (input) is linear, where the output (the audible effect) is non-linear. I want to make sure that OP understands this.

mimafogeus

Flute reaction of finger position is non-linear? It is, however, a continuous function. Hopefully, this could be closely emulated by using a suitable function on the sensor's input?

PaulS

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Flute reaction of finger position is non-linear?

How can it be? The flute reaction is based on the area of the opening. As the finger moves over the hole, in a linear fashion, the area not blocked does not linearly decrease.

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It is, however, a continuous function.

Of course. At no point can the function jump in values, so it must be continuous, Just not linear.

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Hopefully, this could be closely emulated by using a suitable function on the sensor's input?

Most likely. Just needs to be given some thought. Some experimenting will be necessary to determine if the Arduino-based whistle really does sound like a real one.

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