He was dressed like a cowboy, in jeans, boots, a denim vest and a worn-out hat, and had planted a small sound system on the lot, connected to a microphone.
That includes collecting passwords, recording sounds if the computer is connected to a microphone, scanning disks for specific files and monitoring Skype.
A microphone connected to a smart system would be able to detect and identify the sounds of a car accident or people shouting.
The microphones were connected to a data acquisition system (MOTU 8pre 16 bit, Cambridge, MA) and a MacBook Pro laptop with custom developed software for audio acquisition.
An inner tube within the sound delivery tube was connected to a calibration microphone (ER-10B, Etymotic Research , Inc Elk Grove Village, IL) for real time sound level monitoring.
Statements were taken from Ramires, who claimed to have heard the remarks, from Mikel, from Clattenburg and the three other match officials who were all connected via a microphone system.
The PoC, called "Speake(a)r," first turned headphones connected to a PC into microphones and then tested the quality of sound recorded by a microphone vs. headphones on a target PC.
For those requiring a voice response, reaction time was measured using a microphone connected to a serial response box, and the child's responses were recorded by the experimenter, who also coded for microphone errors.
A microphone, connected to a sheet of suspended steel, is angled over the mouth of one of the busts.
Participants sat approximately 45cm from the monitor and responded verbally using a microphone connected to a voice key which recorded voice onset.
