Audio/Video/Image Forensics
Authenticity or integrity of a forensic audio/ video recording is essential in order to produce it in the court of as an evidence, square forensic experts conduct detailed forensic analysis to determine if material has been deleted, added, altered or changed in audio analog or audio digital recordings.
Fig: Square Forensic Expert working on Audio/ Video Cases
Fig: Spectrographic Analysis of Audio-Video
Audio/Video Enhancement
- Important evidence is contained on audio recordings that are of marginal quality or words. Square experts perform forensic enhancement which may increase the volume of faint or quiet voices, Remove or enhance background voices to make them more audible, Reduce or remove tape noise, Noise reduction, Decrease or remove the echo, Correct tape speed problems etc. Square Forensic Experts enhance and clarify video recordings in order to fairly present evidence that was difficult to determine in the raw footage.
Fig: Enhancement for number plate from video
Fig: Face Enhancement from video
Forensic Image Comparison
- Identification and comparison of objects depicted, including suspect faces, clothing, vehicle descriptions, license plates, etc. Frequently, forensic image analysis is used to stabilize, identify or compare suspects captured on video, usually in the process of committing a crime or in the background of a video or surveillance image.
Fig: Image comparison of face photographs
Forensic Image Authentication
- When the authenticity or integrity of a forensic image (photograph or video) is in question, Square Digital Experts conduct detailed forensic analysis to determine if material has been deleted, added, altered, morphed or changed in the image.
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