D.G.Edworthy Associates

Audio Engineering



Contact Us

About Us

Public Address/Voice Alarm

Induction Loops (AFILS)

Technical Writing


Case Histories

Hong Kong International Airport

White Papers

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Case Histories

These are some of the projects we have undertaken in recent years, please click on a company name to open their case history in a new window.

Public Address / Voice Alarm (PA/VA):

Baldwin Boxall Communications Ltd. - Consultancy on FTA and risk analysis

Baldwin Boxall Communications Ltd. - Consultancy and Training on Software Design for Reliability and the use of Software Of Unknown Provenance (SOUP)

Baldwin Boxall Communications Ltd. - Vigil Range Fault Tree Analysis

Baldwin Boxall Communications Ltd. - Generic Reliability, Availability, Maintainability (RAM) Report

Baldwin Boxall Communications Ltd. - Kings Cross Tube Station Voice Alarm System

Induction Loops (AFILS):

- Atkins Rail Ltd.

- Infraco Sub-Surface Ltd.

Technical Writing:

- Ampekko

- Application Solutions Ltd.

- Baldwin Boxall Communications Ltd.

- Football Management Magazine

- Guardforce Ltd. - Hong Kong

- Zurich Insurance


- Atapco Security & Communications Ltd.

- Atkins Rail Ltd.

- Federal Signal Ltd.

- Guardforce Ltd. - Hong Kong

- Infraco Sub-Surface Ltd.

- Institute of Sound & Communications Engineers Ltd.

- Integrated Systems - Europe


- Tandberg Television Ltd.

- Tannoy Audix

- Zurich Insurance

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