Sound pattern generator

Details Sound pattern generator Sound pattern generator

1980-07-18

1983-03-29

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358174, 364829, 364833, 364840, 375 76, H04M 700

Patent

active

043785697

ABSTRACT:
An apparatus for providing an audible representation of any data which can be represented in a format of M.times.N individual datum. Each datum can have individually specified properties. One application of this technique is to provide an audible representation of a visual scene. Since these data can readily be assimilated by the brain, they can provide either an aid to the visually handicapped or supplementary information to the normally sighted. A matrix of M.times.N pixels is generated in which distance along one spatial axis is represented by discrete sound frequencies and distance along the orthogonal axis is represented by the time lapse following a reference sound pulse. The light intensity of a pixel is represented by the amplitude of the sound at both a particular frequency and a particular time after the reference sound pulse is generated.

REFERENCES:
patent: 3007259 (1961-11-01), Abma et al.
patent: 3800082 (1974-03-01), Fish
patent: 3907434 (1975-09-01), Coles
patent: 4000565 (1977-01-01), Overby et al.
R. M. Fish, "An Audio Display for the Blind", Mar. 1976, IEEE Transaction on Biomedical Engr., vol. BME-23, No. 2, pp. 144-154.

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