'in auditorium' is correct and usable in written English.
You can use it to describe a location or situation in which something is occurring, for example, "The lecture will take place in the auditorium at 7 PM."
The New Yorker, April 29 , 1933P. 13 John Wanamaker store gave sportsman's show in auditorium.
In "Auditorium" black and white boxes on a purple ground are like stacked speakers projecting an orchestral wall of sound.
Performances are in Auditorium Stravinsky and Miles Davis Hall of the Montreux Congress Center and on many outdoor stages and two vessels, Bahia Boat and Memphis Boat, which offer cruises on Lake Geneva.
Moreover, this was just as the multiplex was born, so theater-goers seeing a New Hollywood classic in Auditorium A probably wasn't too thrilled by the constant rumbling coming out of Auditorium B's showing of Charlton Heston in Earthquake.
But in auditorium after auditorium at schools on the closing list, like Columbus, Jamaica and Beach Channel High Schools in Queens, and William H. Maxwell Career and Technical Education High School in Brooklyn, the hearings have exposed a torrent of anger about how large high schools have fared in the Bloomberg years.
Be vigilant in auditorium settings.
As a happy Rex Ryan walked into the interview room at New Meadowlands Stadium, fans on either side of the glassed-in auditorium where postgame news conferences are held cheered enthusiastically.
For the most part, they are shown sitting in auditoriums, listening raptly to Gore's presentation.
Curved surfaces, which tend to focus sound, are either avoided in auditoriums or covered with sound-absorbent material.
An indoor public address (I-PA) system is a sound amplification system that is widely used in auditoriums, classrooms, factories, and conference rooms.
For courses with large enrollments scheduled in auditoriums, lecturing tends to be used more frequently.
