3 November 2025 – Improving speech clarity with DSP by Graham Somerville, M3ZGS

| September 15, 2025

The presentation

This webinar will include a background and history of bhi Ltd beginning with when it first started in April 2002. It will continue with a look at the types of DSP noise cancelling available for improving audio quality. During the presentation Graham, M3ZGS will give an introduction to the range of bhi DSP noise cancelling products and accessories with details as to which product would suit specific applications and setups. Graham will also explain how noise cancelling will help those with hearing loss to enjoy amateur radio more.  This will include details of the ParaPro EQ20-DSP parametric equaliser units which can help those with hearing loss. The session will conclude with a question and answer session.

About the presenter

Graham Somerville, M3ZGS is the owner/Managing director of DSP noise cancellation specialists bhi Ltd.  He completed a four year electronics apprenticeship at MEL in Crawley back in 1975 and gained an HNC in Electronics as well as a C&G Full Technological Certificate. He is an experienced business professional with over 40 years in the electronics and manufacturing sectors. Graham co-founded bhi in April 2002 and has successfully launched innovative noise cancelling products across Europe, North America, Asia and Australasia over the past 23 years. When he’s not working, he enjoys golf, walking, cooking, bird watching and travel.

Watch live

Tonight@8 webinars are livestreamed for free on our YouTube channel and special BATC channel, allowing you to watch the presentations and ask questions online.

Category: Tonight @ 8