The Clarinet BBoard
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Author: Dibbs
Date: 2017-07-07 14:23
Bennett wrote:
> I wonder whether the ridiculously expensive device that
> shmuelyosef pointed to above would actually do what's wanted.
> At least two parameters need to be mapped - contour and
> transparency. The device cited can capture the contour but the
> light source has to shine through the reed rather than bounce
> off it to capture the fiber variations. Maybe it can do that
> too? Or perhaps combining contour measurements with multiple
> stiffness measurements made with a pressure sensor could
> capture the characteristics of an individual reed. But does
> looking at a reed reveal how good the cane is?
>
> As an aside, when I went to Clarinet Fest at Cal State
> Northridge I took a tour of the Rico factory and watched reeds
> being made. The hardness of each reed was measured by a
> pressure gauge/transducer pushing against one spot on the reed.
> Depending on the reading, the reed was sorted into the
> appropriate pile, e.g., 2; 2.5, 3, etc. Illustrated at 1:57 in
> this Rico video on YouTube:
> https://www.youtube.com/watch?v=MwOUEsdpuI0 (In
> the factory the stiffness was measured automatically rather
> than with human intervention as seen in the video)
>
>
> Post Edited (2017-07-07 08:04)
Transparency is easily measured. Put it on a light table (used for examining photographic at negatives or transparencies) in a dark room. Then photograph it and examine the pixel values in something like photoshop.
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kdk |
2017-07-01 19:08 |
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Klose |
2017-07-01 22:10 |
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kdk |
2017-07-02 04:46 |
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WhitePlainsDave |
2017-07-02 03:44 |
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kdk |
2017-07-02 05:02 |
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Bob Bernardo |
2017-07-02 05:05 |
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kdk |
2017-07-02 07:09 |
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toffeeman3 |
2017-07-02 05:20 |
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kdk |
2017-07-02 06:50 |
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WhitePlainsDave |
2017-07-02 22:02 |
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shmuelyosef |
2017-07-06 06:07 |
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Mojo |
2017-07-06 17:24 |
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Mojo |
2017-07-07 15:53 |
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Bennett |
2017-07-07 18:39 |
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kdk |
2017-07-06 17:30 |
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WhitePlainsDave |
2017-07-07 01:37 |
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kdk |
2017-07-07 02:50 |
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Bennett |
2017-07-07 08:01 |
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Dibbs |
2017-07-07 14:23 |
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