Alfred Hitchcock makes an experiment in this short film where he uses the sound device for the first time in a motion picture of his own. This is a sound test where the master of suspense and actress Anny Ondra have some humored dialogues,...See moreAlfred Hitchcock makes an experiment in this short film where he uses the sound device for the first time in a motion picture of his own. This is a sound test where the master of suspense and actress Anny Ondra have some humored dialogues, just checking the sound quality designed for Hitchcock's first talkie picture, the classic Blackmail. Written by
Rodrigo Amaro
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