Prostate-specific antigen (PSA) is a substance produced by the prostate gland. Elevated PSA levels may indicate prostate cancer, a noncancerous condition such as prostatitis, or an enlarged prostate.
Dolby Digital, formerly known as AC-3, is a digital audio coding technique that reduces the amount of data needed to produce high quality sound. Dolby Digital takes advantage of how the human ear processes sound.
From Wikipedia, the free encyclopedia. The Dolby Theatre (formerly known as the Kodak Theatre) is a live-performance auditorium in the Hollywood and Highland shopping mall and entertainment complex, on Hollywood Boulevard and North Highland Avenue, in the Hollywood district of Los Angeles, United States.