This invention relates to a silver halide photographic element containing a phenolic infrared dye-forming coupler bearing in the 2-position either a benzamido group substituted with a sulfonyl group or a heterocyclic carbonamido group, and bearing in the 5-position a non-carbonamido group, which element is useful for incorporating and recovering metadata, such as sound data, into a photographic image and is specifically concerned with the incorporation of non-visually perceptible sound information into a photograph.
本发明涉及一种含有
酚基红外
染料形成偶合剂的卤化
银摄影元素,其中在2位上带有苯甲酰胺基团,该基团被磺酰基取代,或带有杂环碳酰胺基团,并在5位上带有非碳酰胺基团。该元素用于将元数据(如声音数据)并入和恢复到摄影图像中,并特别关注将非视觉可感知的声音信息并入到照片中。