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Last February, Prof. Sharon Gannot gave a keynote lecture at the LVA-ICA conference held in France. Gannot, 52, who specializes in speech signal processing, referred in his lecture to the problem of speaker localization in reverberant rooms. "Usually, when a person speaks in a room or a closed space, we hear it both directly and as a returning echo from objects in the room. This phenomenon, called reverberation, affects the ability to recognize the location of the speaker, because the voice signal actually comes from many places at the same time. This is a classic problem in signal processing, and it is relevant when you want to pinpoint the exact location of speakers - for example, when you want to automatically turn a camera on to a lecturer speaking on stage, or to a speaker in a conference room."