SOUND AMPLIFIERS MICROPHONES

Brand	Owner (click to sort)	Address	Description
FIRST ACT PLAYER SERIES	First Act., Inc.	745 Boylston Street Boston MA 02116	sound amplifiers and microphones;musical instruments;1ST ACT PLAYER SERIES;PLAYER SERIES;
PLAYER SERIES	First Act., Inc.	745 Boylston Street Boston MA 02116	sound amplifiers and microphones;musical instruments;SERIES;
VANTEK	JAM INDUSTRIES LTD.	21000 Transcanadienne, Baie D'Urfé Quebec H9X4B7 Canada	Sound Amplifiers and Microphones;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

In order to locate and display the source of a sound such as a noise at a factory or the like accurately even when it is outside, a pair of microphones (M1, M3) and another pair of microphones (M2, M4) are disposed on the X axis and Y axis with a distance L therebetween, respectively, the direction of the sound source is estimated from a difference between sound arrival times to the microphones (M1, M3) and a difference between sound arrival times to the microphones (M2, M4), an image around the estimated location of the sound source is picked up by a camera, and the above estimated location of the sound source is displayed on the above image displayed on the display of a personal computer.