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 New Zealand Low Power FM Radio Broadcasting Forums : General LPFM Discussion
Subject Topic: The Building Regulations Clause G5 Post ReplyPost New Topic
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xuevictor
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Posted: 03 November 2014 at 6:22pm | IP Logged Quote xuevictor

The Building Regulations Clause G5 Interior Environment,
cl G5.3.5 Buildings shall be provided with listening
systems which enhance hearing by people with hearing
aids. The option is to install an Audio loop system, FM
radio frequency or infrared beam transmission device or
similar.

Does anyone know if 'Low Power FM Radio Broadcasting'
can meet this?
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RadioTech
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Posted: 06 March 2015 at 8:05pm | IP Logged Quote RadioTech

Sure, 'FM radio frequency' is exactly what LPFM is - so it would meet their criteria.
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traderbob
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Posted: 11 October 2016 at 5:13pm | IP Logged Quote traderbob

LPFM would be ideal if Hearing Aids have FM receivers. They Don't. The solution is a loop. Hearing Aids have inductive pick up devices that pick up AUDIO FREQUENCIES present in a loop system.

You need:
Big loop of wire [6 turns]
Audio Amplifier 10-30 watts

The loop will work out at about 15 - 75 ohms DC and you need some suitable matching from the amplifier to the loop.

My colleague just installed one in a large church. 
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