The Guide to Voice Alarm Systems iBook is available now on iBooks and features a huge amount of interactive assets. The printed version is also now available direct or through Amazon.
An asset extended from The Guide to Voice Alarm System iBook, the Voice Alarm Standards finder is now available here.
The latest blog post from Roland Hemming

RH Consulting is a leading Audio & AV consultancy.
Our experienced team carries out project design and management.
We also consult for manufacturers on the development of forthcoming audio products and provide advice on voice alarm and compliance.
Supporting this we also create high quality audio related marketing materials and digital media now used by many leading manufacturers.
Our extremely experienced team have worked on some of the most challenging and prestigious audio projects.
We are leaders in the field of voice alarm  and we are the centre for information on digital audio networking.