Audio Video Forensics

Audio Video Authentication

Audio Video Authentication is a forensic examination procedure for audio and video recordings obtained from mobile phones, cameras, CCTV etc.

The trends of crime and the methods applied to detect the modus operandi of criminals and the evidence have significantly changed from conventional to digital means. In cases involving audio or video recording of voices or images of persons associated with an incident/event/situation/violation/act of omission or commission are studied.    Features of editing/morphing/manipulation/doctoring and identified by careful  examination of digital evidences.  Evidences that include audio,  video,  photographs, images are studied to prove/disprove the authenticity of recording. In some cases the identity of person(s) or voices of speaker or image of the persons can also be conducted. Latest Audio-Video forensic tools and techniques are used to prove or disprove the version of the defendant based on evidence made available.

At Truth Labs the following examinations are carried out:

1. Authentication of audio recordings in a mobile phone, voice recorders handheld/recorders etc.
2. Authentication of video recordings in CCTV, mobile phone, spy/digital camera, IVRs and DVRs, broadcasted videos on TV, etc.
3. Audio Video authentication when the recording devices captures both audio and video.
4. Authentication of pictures/ photographs in any file format in cases of defamatory/ threatening/ anonymous/ fabricated/ manipulated images or pictures in official/ personal disputes, scams, scandals, harassment, extortion, trap cases, examination scams, theft /murder, porno videos etc. when the recording device is submitted or secondary device such as pen-drive, CD, DVD, photographs, etc. are submitted for personal or legal purpose.

Evidence when found authentic can be submitted before the Court of Law or any equivalent authority. The evidence when found tampered or manipulated can establish the innocence/guilt of the accused.

Audio Vide Enhancement

Not in all cases the clarity of audio or video is so good to understand what is heard or is seen requires image/video or voice or audio enhancement. Truth Labs offers audio enhancement to enhance the quality of audio recordings for better voice clarity and Video enhancement for better visibility to identify the individual/object, to understand sequence of events, identification of number plate in hit and run cases etc.

Many at times it becomes necessary to confirm that the individual heard or seen is same as the suspect or not to make sure an innocent is not convicted and a guilty is not acquitted. Truth Labs provide Forensic speaker identification/ speaker verification to see if both the speakers are one and the same. Facial Identification by comparison of image/photograph/video to see if the picture is of one and the same person by an in-depth facial comparison and to establish the identity of the individuals based on their gait pattern analysis will be done at Truth Labs.

Truth Labs provides 65B certificate when recording device is provided for examination.