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01/17/2022 / Last updated : 01/17/2022 廣國 善紀 Blog

Similarities between oriental medicine and violin making

We have seen that when scraping the resonance plate of an instrument, the phonogram inside the outline is automatically aligned when the outline sounds are matched. (Refer to “Sounds and Shapes of Ancient Musical Instruments”) Of course, we will also carve the inside to make it the final shape. The resulting resonance plates are pasted […]

01/14/2022 / Last updated : 01/14/2022 廣國 善紀 Blog

In search of white noise

This is the waveform when the white noise sound source is measured with the freeware “Wave Spectra”. We can see that all frequencies are evenly included.I want the resonance plate to be in this state as well, but how should I carve it? Most musical instruments are expected to have the following frequency distribution.   […]

12/06/2021 / Last updated : 12/06/2021 廣國 善紀 Blog

Correlation between mind and body

If I scrape the instrument for half a day, my voice will die for some reason. I don’t even have an actual voice, but it dies down. This is because I listen to the sound when I scrape the resonance plate, so I sing it in my mind. Just feeling the sound and receiving it […]

11/06/2021 / Last updated : 11/06/2021 廣國 善紀 Blog

Shape and sound of ancient musical instruments -part5

It was the discovery of Pythagoras that “musical tones have a simple integer ratio”. Is it something to do with it? There are many other simple integer ratios. 1: 2: 3,   2: 3: 4,   3: 4: 5,   4: 5: 6 … First, consider the one with the same top and bottom ratio. […]

10/08/2021 / Last updated : 10/08/2021 廣國 善紀 Blog

Shape and sound of ancient musical instruments -part4

So far, we’ve explained that negative depressions tend to acoustically divide the instrument. The essential point is that when the frame indicated by the thick frame is shrunk toward the center, it can be uniformly shrunk to one point.  What can be shrunk is a design that has the potential to create an acoustically unified […]

09/18/2021 / Last updated : 09/18/2021 廣國 善紀 Blog

Shape and sound of ancient musical instruments -part3

For the sake of explanation, K-1, K-2, and K-3 are used in order from the top. K-1 K-2 K-3 If you look closely, these designs are variations of certain pattern combinations. In K-1, the upper part corner is convex outward and the lower corner is convex inward (recessed inward). In K-2, both the upper and […]

08/29/2021 / Last updated : 09/18/2021 廣國 善紀 Blog

Shape and sound of ancient musical instruments -part2

Now, let’s change our perspective and think about what happens when we carve from the periphery on the resonance plate so as to expand the consonant relationship. The photo above shows a state where small drums coexist. There are as many fixed points on the phonogram as the number of drums. Can it be integrated […]

08/21/2021 / Last updated : 08/29/2021 廣國 善紀 Blog

Shape and sound of ancient musical instruments -part1

I aligned the sounds of the outer frame and carved it. The shape of this instrument is characterized by a vertically long stack of multiple drums (resonance plates) and an inwardly piercing depression at the bottom of the outline. In order to increase the resonance, we carve the resonance plate so that the sound to […]

08/12/2021 / Last updated : 08/12/2021 廣國 善紀 Blog

Meaning of ”match the sound”

What does it mean to”match the sound” ?When you tap or rub something, you can hear a lot of sounds mixed together. Listen to each of the mixed sounds and carefully examine what kind of pitch and how much they overlap.For example, if you tap something to make a sound, it contains many overtones. The […]

08/01/2021 / Last updated : 08/12/2021 廣國 善紀 Blog

Gap between cognition and theory

Human cognition is often deceived. Here’s one interesting example. This is what I presented at a seminar when I was a student. It is a figure in which two cup noodles are stacked. If you look closely, does the cup noodle on top look smaller? Look at it from a distance (although it is an […]

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Recent posts

Similarities between oriental medicine and violin making

01/17/2022

In search of white noise

01/14/2022

Correlation between mind and body

12/06/2021

Shape and sound of ancient musical instruments -part5

11/06/2021

Shape and sound of ancient musical instruments -part4

10/08/2021

Shape and sound of ancient musical instruments -part3

09/18/2021

Shape and sound of ancient musical instruments -part2

08/29/2021

Shape and sound of ancient musical instruments -part1

08/21/2021

Meaning of ”match the sound”

08/12/2021

Gap between cognition and theory

08/01/2021

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