1. Documentation browsing apparatus characterized by comprising: correspondence generating means for generating correspondence between voices or images included in audio data or image data and a document included in document data; association displaying means for displaying the voices or the images included in said audio data or said image data and a document included in said document data associated with each other based on said correspondence; document updating means for updating said document data based on user editing instruction; and matching means for establishing a matching between a document and sounds or images; wherein said correspondence generating means comprises: means for generating association information based on said matching established by said matching means; relationship recalculation instruction means for outputting recalculation instruction information for instructing recalculation of relationship between a document and voices or images and letting the matching means recalculate said relationship when said document data is updated.