Examination of voice and spoken speech, the acoustic environment and the conditions, equipment, materials and traces of audio recordings, as well as video images and the conditions, equipment, materials and traces of video recordings.
Preserve the source file and device, if available. Submit the recording without additional editing or compression; we will agree on the materials needed for the task.
Choose questions for the expert ↗This examination aims to establish facts relevant to the circumstances of a case from events captured in audiovisual recordings. The object may be a system comprising a source of information in the form of sound and/or video and a material medium: a file, disc, flash drive, memory card or other device.
Forensic audio examination of speakers' speech: the verbatim content of a conversation, number of participants, suitability of the audio recording and samples for identification, and comparison of voice and speech.
Examination of audio recordings: signs of alteration, discontinuity, noise in the acoustic environment, recording conditions, signs of copying and connection to the recording device.
Technical video examination: signs of editing, continuity of the video footage, recording conditions, the recording device, and temporal and spatial characteristics of events.
Preparing a transcript and determining utterances, the number of speakers and meaningful segments of a conversation from an audio or video recording.
Examination of audio and video recordings for possible alterations, breaks, insertions, copying, transcoding and disruption of the original structure.
Assessment of the start and end times of events, object movement, participants' positions and other features that can be examined from video material.
Checking an expert report: competence, questions, methodology, materials, recording quality, conclusions, limits of the examination and procedural risks.
| Examination of voice and spoken speech | from RUB 80,000 |
| Examination of the acoustic environment and audio recording traces | from RUB 90 000 |
| Examination of video images and video recording traces | from RUB 90 000 |
| Establishing the verbatim content of a conversation | from RUB 50,000 |
| Signs of editing and discontinuity | from RUB 90 000 |
The tasks addressed by the examination, the objects examined and how forensic audio examination differs from technical video examination.
How to pose questions about voice, speech, an audio recording, background noise, signs of alteration and recording suitability.
How to formulate questions about video footage, editing, continuity, the recording device, start and end times, and events in the video.
You may send an audio or video file, a link, an investigative order, a court ruling, draft questions or an existing report for review.
