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Coagula is a bitmap to sound converter. The free Lite version 1.666 can be downloaded here It can import an existing picture (JPEG - GIF - BMP) and so far only saves as BMP. But it also has graphic functions to create a new picture from scratch : |
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The graphic toolbar a Brush and Filters b Move with wrap c Zoom and Rotate d Skew |
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The Brush functions Brush size can be adjusted by dragging in the Shape box Presets A and B are saved. A doodle made with various brushes ---> 
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With the 'Echord tool' one can apply an echo of the bitmap in a chosen direction, color and strength 
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Several filters can be 'layered' on the picture
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Generates horizontal and/or vertical wraparound |
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Opportunity to make textures |
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| Rendering the Sound | |
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Output : 44 kHz 16-b stereo WAV Pixel scan : Red = Left Green = Right Brightness = Volume Blue = Noise Render can be chosen with or without Blue Top of picture = highest freq. and bottom = lowest freq. This is defined by the Pitch range Latest settings are preserved |
A wider picture, choosing a bandwidth of 110 - 1760 Hz, 12.36 secs.
The impression of a graphical soundscore is obvious |
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A picture deliberately made to illustrate this
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