01180nam a2200169   4500001000700000100004100007101000800048200022000056311003900276330051900315461007500834606002100909606002300930606001700953606001800970700002200988378132  a20210622u           y0pory50      ba  aeng  aMetadata 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 recordingsbRecurso eletrónicofMarcin Michałek  aFicheiro de 431 KB em formato PDF.  a1. 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.  d2018vVol. 115tProblems of Forensic Sciencesx1230-7483pp. 241–261  aNORMALIZAÇÃO  aNORMA DE QUALIDADE  aMULTIMÉDIA  aPROVA DIGITAL  aMICHAŁEKbMarcin