Signal detection using multiple detectors
user-5d4bc4a8530c70a9b361c870(2012)
摘要
Signal detectors are described herein. By way of example, a system for detecting signals can include a microphone signal detector, a loudspeaker signal detector, a signal discriminator and a decision component. When the microphone signal detector detects the presence of a microphone signal, the loudspeaker signal detector detects the presence of a loudspeaker signal and the signal discriminator determines that near-end speech dominates loudspeaker echo, the decision component can confirm the presence of doubletalk. When the microphone signal detector detects the presence of a microphone signal and the signal discriminator determines that near-end speech dominates loudspeaker echo, the decision component confirms the presence of near-end signal.
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关键词
Analog signal,Signal,Signal transfer function,Detector,Loudspeaker,Discriminator,Detection theory,Echo (computing),Acoustics,Computer science
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