Detection of In-App Apple Voice Memos Edits through Extrapolation Artifacts

Zjalic J. Detection of In-App Apple Voice Memos Edits through Extrapolation Artifacts. In: AES Conference: 2019 AES International Conference on Audio Forensics. Audio Engineering Society; 2019. Paper 10. Available from: https://aes.org/publications/elibrary-page/?id=20463

@inproceedings{Zjalic2019_20463,
  author = {Zjalic, James},
  title = {{Detection of In-App Apple Voice Memos Edits through Extrapolation Artifacts}},
  booktitle = {AES Conference: 2019 AES International Conference on Audio Forensics},
  note = {Paper 10},
  year = {2019},
  month = jun,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=20463}
}

TY  - CPAPER
TI  - Detection of In-App Apple Voice Memos Edits through Extrapolation Artifacts
AU  - Zjalic, James
T2  - AES Conference: 2019 AES International Conference on Audio Forensics
M1  - Paper 10
PY  - 2019
DA  - 2019/06/06
UR  - https://aes.org/publications/elibrary-page/?id=20463
PB  - Audio Engineering Society
LA  - en
AB  - The continued development of the Apple® iOS Voice Memos Application has seen the addition of an increased number of features, allowing users to edit a recording without having to export and process said recording in other software. This subsequently reduces the traces left by a manipulation, so research into the detection of edits performed within the application is therefore vital. Previous research into this area has shown differences in bit-rate between original and edited recordings within the application, and this research builds on that foundation by analyzing the artifacts left through extrapolation. Findings show that a sequence of processes, encompassing three stages of analysis, can be applied to detect local edit points pertaining to delete, replace and long pause events. The first stage is a global analysis used to sequester recordings which contain one of the aforementioned events, before two local analyses, based on different approaches, are applied to provide the location of edit points.
ER  -