News

February 28, 2017

“OT-Contact” participated in international scientific-practical conference “Special forensic technology” with a report on “Special software applications for forensic video and audio analysis”. “OT-Contact” represented new capabilities and functionality of "ОТExpert", "HEX-Expert", "DB-Expert" and "DTP-Expert".
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November 02, 2016

OT-Contact” provided a presentation of new functionality of software application complex “DTP-Expert” for government forensic experts.
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September 29, 2015

«DTP-Expert» received approval from Ministry of Justice Scientific Council for usage in forensic video examination laboratories.
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Products

Professional forensic audio investigation system «OTExpert»

«OTExpert» software application is developed for the purposes of automation of audio evidence forensic investigation, acoustic signal scientific research and educational purposes. Contemporary mathematic methods and digital signal processing techniques allow to produce a comprehensive study of audio recordings.

«OTExpert» is designed to solve both identification and diagnosis forensic tasks for audio and video recordings: expert pre-processing; noise reduction and speech enhancement; channel compensation and speech intelligibility improvement; forensic audio text decoding; forensic speaker voice identification; establishing of real date and time of recording creation.

Forensic audio analysis.

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Professional forensic video investigation system «VD-Expert»

"VD-Expert" – is a specialized software system for forensic video and image analysis and investigation. "VD-Expert" is designed to find signs of inter-frame, intra-frame and inter-stream editing, to identify video or photo camera used to create the file.

The use of "VD-Expert" during forensic examination of video recordings allows to ensure the completeness and comprehensiveness of the research.

Forensic examination of video recordings.

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Forensic video examination system «DTP-Expert»

DTPExpert is a software application designed for automation of forensic video examination, forensic examination of traffic accidents, forensic description of events recorded on video. Comprehensiveness and completeness of the forensic study of traffic accidents videos, significant improvement of experts’ performance, avoiding of typical mistakes (e.g. estimation of time) that occur using not specialized video and image processing software applications are the focuses of «DTPExpert».

Forensic examination of video recordings.

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Media file structure forensic investigation system «HEX-Expert»

HEX-Expert is a special software application dedicated to automation of forensic audio, video examination, digital forensic analysis of audio, video and image files provided as evidence in court.

HEX-Expert extracts used recording device (or software application) traces from file header and parses file structure according to its format (or format of data storage device).

HEX-Expert is applied to tasks of forensic audio and video experts and digital forensic examination.

Forensic audio analysis.

Forensic examination of video recordings.

Media files structure forensic examination.

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Audio/video recording devices database «DB-Expert»

DB-Expert is an application developed to create and store audio/video recording devices database. DBExpert automatically parses file structure and extracts devices individual features for the further search and comparison of a new device matching the database entries. The database can be filtered by one or several features and provides the search of matching devices to the sample provided.

DB-Expert is designed to solve the tasks of digital forensic examination and can be used as additional method of analysis in forensic audio and video researches.

Forensic audio analysis.

Forensic examination of video recordings.

Media files structure forensic examination.

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Special hardware system «ENF-Server»

ENF-Server is a hardware/software complex that provides precise collection (every second) of ENF data that can be used to verify audio/video creation date and time or prove its editing.

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