Without loudspeakers, we are not responsible for chants that can spark controversy, since this never happened before.

As we sat facing towards Taxim Square, we could hear the shouts from the nationalists at our backs every time the speakers would cut out.

Personnel compartment noise that's not too bad it's very low frequencies, it's basically like these subwoofers.

The directorate of Religious Affairs ordered imams all over the country to call people to these democracy celebrations using the loudspeakers of mosques.

The loudspeakers are calling on people in the higher floors to come down. The sound of ambulance sirens gets louder.

They had the best microphone, a condenser type developed there in 1916 and greatly improved in 1922, and the best amplifiers and test equipment.

The Kingdom's impeccable human rights record and bright image remain intact and undistorted by any futile false allegations propagated by hostile megaphones at international functions.

Speakerphones are also sometimes used, but these can create challenges both in terms of confidentiality, and for the interpreter, especially due to background noise, which can hinder the interpreter's ability to hear.

And they have long confronted multiple agendas and constituencies, from those clamoring to influence the League of Nations disarmament conferences of the 1930 s to those wielding the megaphones in Copenhagen in December.

How easily this ideal could be corrupted by distinctly ungentlemanly politics was already clear in 1936, when Coubertin s doddering speech about peace and fair play was played over the loudspeakers of the Olympic Stadium in Berlin, while Hitler and his henchmen raised their arms to salute the Nazi flag.