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I went on the Audio course with P&A medical and they had some headphones they demonstrated with a filter to allow for normal speaking noise and would subsequently act to protect the ears over 80dB - they were bizarre to wear - might be worth giving them a call to see where they got them from ....? > On 26 Jul 2017, at 15:26, Chris Packham <[log in to unmask]> wrote: > > Terri > Some time ago I tested our a pair ear muffs that had a system allowing natural voice to pass through. I cannot find the information at the moment but when I get a chance I will see what I can trace. Perhaps a search on the Internet might be worthwhile. > > Chris > > Chris Packham > FRSPH, FIIRSM, FInstSMM, MCMI, > Dermatological Engineer > EnviroDerm Services > ‘Hedworth’, Grange Court, Westbury-on-Severn, GL14 1PL > Tel: 01386 832 311 > Mobile: 07818 035 898 > [log in to unmask] > > ******************************** Please remove this footer before replying. > OCC-HEALTH ARCHIVES: http://www.jiscmail.ac.uk/lists/occ-health.html > > CONFERENCES AND STUDY DAYS: http://www.jiscmail.ac.uk/cgi-bin/filearea.cgi?LMGT1=OCC-HEALTH ******************************** Please remove this footer before replying. OCC-HEALTH ARCHIVES: http://www.jiscmail.ac.uk/lists/occ-health.html CONFERENCES AND STUDY DAYS: http://www.jiscmail.ac.uk/cgi-bin/filearea.cgi?LMGT1=OCC-HEALTH