Behringer BCF2000 emulator

This patch provides a virtual emulator of the popular Behringer BCF2000 hardware MIDI controller.

Even if you don't have a BCF2000, this patch allows you to replicate it onscreen. The patch allows you to control other MIDI devices just as if you did have the hardware controller. Use the umenu to select the port to which you want to transmit, then use the emulator patch to send MIDI control messages.

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The ‘alpha’ attribute of a picture

In digital images, each pixel contains color information (such as values describing intensity of red, green, and blue) and also contains a value for its opacity known as its ‘alpha’ value. An alpha value of 1 means totally opaque, and an alpha value of 0 means totally transparent. This value can be used for blending images, or for making all or part of an image totally transparent.