Audio & Video Evidence Services

CCTV Analysis to assist defence and prosecuting lawyers, police services, investigators, local authorities, security firms and health & safety directors.

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Specialist Software and Tools

Software to assist in the examination of audio and video material for both the novice investigator and the experienced audio, video and computer expert.


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From The Blog

DVR Examiner Version 2.9.1 released 2020-07-30

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Getting started with iNPUT-ACE V2.6 video

Here is a link to the video recording of the Training Symposium session “Getting Started with iNPUT-ACE v2.6” If you like what you see and want to know more about iNPUT-ACE please contact us here Not sure how long the video will be available for so go watch it while you can…..

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Omnivore™ version 3.4 Released w/FFmpeg Convert & Optimization Improvements

Originally Posted on June 15, 2020 by Ocean Systems Omnivore™ version 3.4 is now available for download! This update is (FREE to all Omnivore users In Support as of 05/01/2020) Omnivore™’s FFmpeg Convert interface. New Features & Updates Updated FFmpeg Convert to identify & process more file types. Improved Optimization process & Notifications: Improved notification…

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iNPUT-ACE Version 2.6

The team at iNPUT-ACE have released Version 2.6, here are the release notes;   iNPUT–ACE Revolutionizes Video Evidence with Version 2.6 The team at iNPUT–ACE is very excited to announce our next major release, Version 2.6! Based on customer conversations and use cases, we have created a completely new playback experience, added 75+ new video formats, introduced an…

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Markets We Serve

We provide investigators with services and software to recover, process and present  Photographic, Video and CCTV images. They may be investigating Crime, Fraud, Arson, Collisions or Health & Safety incidents or any other event involving recorded images.

  • Police
    Police & Investigators
  • Police
  • Police
  • Police


Operation Stream – Assault by Police Officers. DEMUX provided our Organisation with a professional and first class service. Their experience and expertise helped to present a professional enhanced video to witnesses and ultimately at Court. DEMUX provided the ideas, concept and product that facilitated the court in focusing in on areas of a scene full of activity. Without doubt we will be using their expertise again and recommending them to everyone.

Investigator Matt Robson

Police Ombudsman for Northern Ireland

Their [Demux] background and expertise in this field has provided me with the material to effectively investigate the offences and will reduce the time required to interview witnesses and suspects

Detective D. B. Economic Crime Unit

City of London Police

We found the test trial [ of DVR Examiner ] was very easy to use and could be used in many situations where we can’t access CCTV in other ways (eg, missing psu/faulty DVR USB ports etc).

Gail Roberts

Imaging Unit, North Wales Police

Thanks for all the work you did for us on Operation WETHERLAM the assault on an off duty officer. The video highlighting of the four suspects was especially good and made my job of presenting the evidence to the jury a dream.

Detective A. W. Bedfordshire and Hertfordshire

Major Crime Unit

R -v- MONTE – Murder – Lawyers do not always welcome cases with a large technilogical element. My experience in this case was that such evidence properly presented can be of great assistance both to the Jury and to the Judge in the presentation of the case. In short Dave Thorne’s presentation was clear and dispassionate and was an important element in leading the Jury to the conviction that they returned.

Nigel Baker QC

During an on going major investigation our team were tasked with gathering CCTV evidence from an unbranded DVR that had an unknown password. After several failed attempts to locate the required information to allow access to the DVR contact was made with Demux Video Services Ltd, regarding DME Forensics, DVR Examiner.

Within 48hrs from point of order we received the product; this allowed us immediate access to the required CCTV Footage by extracting the data direct from the DVR’s HDD. Without Demux Video Services Ltd and DME’s DVR Examiner we would have faced lengthy delays and may even have been unable to retrieve the evidence that we required

Neil Dawson

Forensic Technician, Police Scotland

We have used DVR Examiner to interrogate hard drives from multiple investigations. Not only has it successfully extracted the data in the majority of cases but has substantially improved the efficiency in which we can turnaround data extraction from CCTV systems for investigators.

Neil Purton – T/Forensic Imaging Manager

Scientific Services Unit - Joint Protective Services for Bedfordshire Police, Cambridgeshire and Hertfordshire Constabularies

Thanks again for the very efficient service you offerYou are by far one of the easiest forensic companies to deal with, which is very refreshing and much appreciated. DVR Examiner has been a great tool for us over the past year. I have recently been asked by our Divisional Commander to produce a report on the efficiency savings it is giving us as a force. We look forward to using it for another year.


Mark Brown – Digital Media Supervisor

Lancashire Constabulary

Got a question or a video evidence related problem we might be able to help you with?

Why not call us 0845 226 3128