Bellows Curved Settings Explained on the Roland FR-1x

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In this video I will be explaining what each of the Bellows Curve values mean on the Roland FR-1x.
Roland is using an algorithm that equates pressure with volume of air flow to simulate the expression you get with an acoustic accordion.
Fixed Low, Fixed Medium, Fixed High
These three fixed curves always use the same expression value, no matter how hard or lightly you push/ pull the bellows (no dynamic control). “Low” means that a low value is used, “Med” represents a medium value and “High” a high value.
X Light, Light
“Light” means that you do not need to push/pull hard to achieve a meaningful effect. The “X-Light” requires even less strength (the “X” stands for “extra”).
Standard
The “Standard” curve refers to a normal response.
Heavy and X Heavy
“Heavy” provides a greater variety of nuances. “X-Heavy” is even more detailed.
00:00 – Intro
01:26 – Eight Settings for the Bellows Curve Values
03:00 – How an Acoustic Accordion Gets Expression (air flow)
06:57 – Getting to the bLC and the Eight Values
08:05 – How the Roland FR-1x Accordion Simulates Expression
10:12 – Values 4 to 8 Demonstrated Using Gravity
11:00 – Conclusion and “Almost” a Bellows Shake