Subsidiary of San Francisco-based audio engineering consultants Charles M. Salter clarifies garbled or masked audio from recordings, and provides expert witness testimony.

Laboratory analysis of audio and video evidence, digital enhancement, voice identification/elimination, environmental acoustics, piracy, transcription. Based in Arlington, Texas.

Forensic audio and video services, including authentication, voice and video enhancement. Based in Washington D.C. area.

Forensic video analysis company, specializing in the clarification and demultiplexing of CCTV images and footage.

Analog and digital audio recording, editing, enhancement, conversion, and database management for the legal profession. A division of Audiopaint.

Provides expert forensic enhancement and analysis in audio, video, and photographic imaging.

Specializing in forensic audio restoration and enhancement for the criminal justice system, the legal community, private investigators, broadcast and media, as well as private individuals.