Audio recording at the checkpoint
#16
Join Date: May 2009
Location: Silicon Valley
Programs: UA GS, WN A-List, AA Exec Plat, National Emerald
Posts: 1,021
Are you sure you weren't seeing the sensors designed to find someone walking the wrong way, and count people?
http://www.infodev.ca/buildings/prod...ces/da-20.html
Some of them look like cylindrical microphones.
http://www.infodev.ca/buildings/prod...ces/da-20.html
Some of them look like cylindrical microphones.
#17
Original Poster
Join Date: Jul 2006
Programs: United
Posts: 2,710
Are you sure you weren't seeing the sensors designed to find someone walking the wrong way, and count people?
http://www.infodev.ca/buildings/prod...ces/da-20.html
Some of them look like cylindrical microphones.
http://www.infodev.ca/buildings/prod...ces/da-20.html
Some of them look like cylindrical microphones.
#18
FlyerTalk Evangelist




Join Date: Mar 2008
Location: DFW
Posts: 30,985
#20
Join Date: Nov 2009
Location: Between EWR & PHL
Programs: UA MileagePlus dirt (former hard-way Silver); AS Mileage Plan MVP; Hilton Honors Silver
Posts: 1,586
#21
Original Poster
Join Date: Jul 2006
Programs: United
Posts: 2,710
Many types of microphone capsules look like that - especially ones designed to be hung from above. Take a look here: http://www.sennheiser.com/sennheiser...nstalled-sound
http://www.speechtechnology.com/voic....cfm?URLID=837

