About Us

Company Profile

Formed in 2013 by the union of Digital Audio Corporation and Salient Stills, Salient Sciences provides advanced digital multimedia evidence clarification products, training, and support to police, military, homeland security, and intelligence agencies, and private-sector forensics experts worldwide.

Salient Sciences’ solutions improve the intelligibility of voices and the clarity of video and images to aid investigations and improve the presentation of the evidence in court. Key offerings include the VideoFOCUS video and audio forensics software, CARDINAL audio forensics tools, and DAC School training offerings.

Digital Audio Corporation, trading as Salient Sciences, is headquartered in Cary, NC, and is privately-held.


  1. 2021

    Salient Sciences continues to improve both the VideoFOCUS and CARDINAL MiniLab products, and further expands the online training offerings to include customers in the United States, Canada, United Kingdom, and other international markets

  2. 2020

    In response to the COVID-19 pandemic, Salient Sciences begins providing "stay-at-home" licenses, cloud-based private licensing, and online training offerings to further enable remote teleworking for its customers

  3. 2017

    Salient Sciences begins offering VideoFOCUS subscriptions with training included for one low price

  4. 2016

    Salient Sciences adds multiple video synchronization capabilities to VideoFOCUS Pro 6.0, and introduces MicroDAC 6, its latest real-time multi-channel reference cancellation filter based on embedded PC technology

  5. 2015

    Salient Sciences releases VideoFOCUS Pro 5.1, its first 64-bit software platform offering full audio and video forensics clarification capabilities in a single product along with greatly-expanded multimedia file support, including numerous proprietary DVR formats; the DAC School training curriculum is expanded to include both audio and video forensics in the same 5-day course

  6. 2013

    DAC acquires the assets of SSI, with the combined company rebranded as Salient Sciences, and begins to combine the CARDINAL and VideoFOCUS technologies into a unified audio and video forensics software offering

  7. 2012

    DAC introduces CARDINAL MiniLab Suite, its first all-software plug-in offering for audio forensics laboratories

  8. 2007

    SSI introduces VFSource, a simplified, lower-cost analog and digital video capture, import, review, and conversion tool based on the same technology as VideoFOCUS Pro

  9. 2005

    DAC introduces CARDINAL AudioLab, its most powerful DSP-based audio filtering platform to date; SSI continues to expand its customer base for VideoFOCUS to more than 100 governmental agencies worldwide

  10. 2002

    DAC partners with Avid and Ocean Systems to offer the QuickEnhance Speech Clarification plug-in as a simple, yet effective, audio forensics solution for the now-burgeoning video forensics community

  11. 2001

    Following the 9/11 attacks, SSI shifts its market focus for VideoFOCUS to the law enforcement, homeland security, and intelligence communities; initial law enforcement customers were the Boston Police Department and the Federal Bureau of Investigation

  12. 2000

    DAC expands its tactical audio offering, introducing the SSABR covert audio recorder and SpotMic Array Microphone Processor

  13. 1999

    SSI introduces VideoFOCUS Pro, with the New York Times as the initial customer; its primary market focus in these early years was the media and publishing sectors

  14. 1998

    Following the US Embassy bombings in Kenya and Tanzania, DAC introduces several portable, battery-powered products for the audio countermeasures application (PicoDAC, PIP II, TIP II, CSP4096, and Ultrascope)

  15. 1996

    Laura Teodosio founds Salient Stills, Inc. in Boston, MA, based on "super-resolution" processing technology that she helped develop at the MIT Media Lab to extract a single, high-quality still image from a series of video frames

  16. 1995

    DAC expands its offerings to include its popular cassette-tape transcribers (DOW2) and Windows PC-based systems for audio forensics laboratories (PCAP and MCAP); by this time, the company's 5-day "DAC School" course has also been established and attended by numerous audio forensics experts worldwide

  17. 1986

    DAC's products now include its highly-effective multi-channel reference canceling filters (DAC /M 8-5000), its popular PC-programmable digital filters (PDF 2048), and the ubiquitous "T-Series" filter modules (DAC256T, DAC1024T, RCW320T)

  18. 1984

    DAC relocates to North Carolina, where the company remains headquartered to the present day; by this time, DAC's audio filters are being used by key governmental customers worldwide, including the Federal Bureau of Investigation, the Royal Canadian Mounted Police, and the British Government

  19. 1979

    Dr. James E. Paul founds Digital Audio Corporation in Anaheim, CA, based on technology that he pioneered while working at Rockwell Aerospace: real-time adaptive audio filters based on digital signal processing (DSP)