Andy Burns a smug prick who thinks he is smarter than everyone wrote:

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Listeners wear lightweight, battery powered headphones fitted with a
sensitive IR detector, FM demodulator and audio amplifier. Sennheiser
made and still make systems like this intended for "assisted hearing" or
language translation for audience members.

Probably quite annoying if the audience is watching a 3D film using LCD
shutter glasses though ...


** Who said IR phones were useful in cinemas ?

My post specifically mentioned halls, auditoriums and live theatre productions - where they cater mainly older members of the audience who may find themselves seated near the back and unable to follow dialogue.



..... Phil