01349nam a2200217 4500 378132 378132 20210622u y0pory50 ba eng Metadata in audio files compliant with ISO/IEC 14496-12 and their characteristics as well as the evaluation of usability in the investigation of the authenticity of recordings Recurso eletrónico Marcin Michałek Ficheiro de 431 KB em formato PDF. 1. Introduction. 2. Organization of data in files compliant with the ISO/IEC 14496-12 standard. 3. Material and methods for research. 4. Results. 4.1. Analysis of file properties. 4.2. Analysis of information contained in the metadata. File type box. Encoded multimedia, media data box. Metadata in the file, movie box. Header of the box with metadata, movie header box. Tracks in the multimedia file, track box. Information about the multimedia in the track, media box. Free space, free space box. 5. Conclusions. 2018 Vol. 115 Problems of Forensic Sciences 1230-7483 p. 241–261 NORMALIZAÇÃO NORMA DE QUALIDADE MULTIMÉDIA PROVA DIGITAL MICHAŁEK Marcin 0 PJCD_309_000000000000000 2022-06-06 405913 PJ PJ PJCD 309 2022-06-06 0 AP