Description: general crowd noise in arena concourse.

Description: background noise and chatter of congregation before church service.

Description: concession stand ambience at theater.

Description: many college students walk and talk in student center.

Description: many college students walk and talk in student center.

Description: many college students walk and talk in student center.

Description: university outside ambience.

Description: university outside ambience.

Description: high quality stereo recording of cheering and clapping during a banquet.

Description: airport security announcement on item restrictions.