Image-audio transformation system

Details Image-audio transformation system Image-audio transformation system

1990-07-27

1992-03-17

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 93, 381124, H04N 700

Patent

active

050973266

ABSTRACT:
In a device for converting visual images into representative sound information especially for visually handicapped persons an image processing unit is provided with a pipelined architecture with a high level of parallelisum. An image is scanned in sequential vertical scanlines and the acoustical representatives of the scanlines are produced in real time. Each scanline acoustical representation is formed by sinusoidal contributions from each pixel in the scanline, the frequency of the contribution being determined by the position of the pixel in the scanline and the amplitude of the contribution being determined by the brightness of the pixel.

REFERENCES:
patent: 3907434 (1975-09-01), Coles
patent: 4000565 (1977-01-01), Overby et al.
patent: 4322744 (1982-03-01), Stanton
patent: 4378569 (1983-05-01), Dallas, Jr.
patent: 4658427 (1987-04-01), Aubin

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