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.

Do you see a man skilled in his work? He will serve kings. He won't serve obscure men.

Seest thou a man diligent in his business? he shall stand before kings he shall not stand before mean men.

Who is standing there?

He stood revealed.

He was standing behind the door.

Voice 2 Come get inside here.

Audio quality

Audio Quality

Audio tests

Audio Test

and Evan's questions

The door opens.

Audio Files

Andi Clemens

The audio subcarrier is further demodulated to provide a raw audio signal.

The guy standing over there is Tom.

Analysing audio files

What was that noise?

What's that sound?

Did you hear that sound?

The sound quality, or the sound of the sound is how I like to describe timbre, tone color they cannot tell these things whatsoever.

The man who is standing there is my father.

In the harbor the Statue of Liberty!

Banksy sides with Assad.

Where's the sound coming from?

Audio CD successfully burned

Copying audio track

Did you hear that sound?

Turn down the volume, please.

Sound files are readily downloaded from the Internet and other sources, and copied onto computers and digital audio players.

But actually, the most fascinating thing that I found was that even the audio system or wave transmission nowadays are still basically based on the same principle of producing and projecting sound.

The first is , while the other is .

And these little dots, these represent a sort of sound that's not a vocal, not a lyrical way of expressing the voice.

Sound pressure level Sound pressure is the difference, in a given medium, between average local pressure and the pressure in the sound wave.

He's standing on a subway in New York.