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The lack of reflections in a free field means that any sound in the field is entirely determined by a listener or microphone because it is received through the direct sound of the sound source. This makes the open field a direct sound field. [3] In a free field, sound is attenuated with increased distance according to the inverse-square law. [1]
The first known installation of a microphone–loudspeaker set occurred in 1936 in the Sultan Mosque in Singapore; it was reported that the summons to prayer could 'carry more than a mile'. Though some mosque attendees were sceptical of this new electric system, most believed it was necessary to empower the muezzin's voice to transcend a modern ...
One or more microphones are placed along the length of the room, and these pick up both the sound from the speaker and its reflections off the walls of the chamber. The farther away from the loudspeaker, the more echo and reverberation the microphone(s) picks up, and the louder the reverberation becomes in relation to the source.
More generally, prayer can also have the purpose of thanksgiving or praise, and in comparative religion is closely associated with more abstract forms of meditation and with charms or spells. [1] Prayer can take a variety of forms: it can be part of a set liturgy or ritual, and it can be performed alone or in
A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...
Bill Clinton “Hillary and I mourn the passing of President Jimmy Carter and give thanks for his long, good life,” Clinton, the country's 42nd president, said in a statement on Sunday.
(Reuters) -A license dispute between Arm Holdings and Qualcomm went before a jury on Thursday after attorneys from both sides completed closing arguments. The jury in a U.S. federal court in ...
The predecessor of the directional boundary microphone was a directional microphone placed in an Electrovoice Mic Mouse, a foam block that suspended a conventional microphone horizontally just above a surface. Because conventional microphone diaphragms are relatively large (> 1 cm diameter), phase interference from surface sound reflections ...