Acoustic processing and echo control Sound pickup and playback is an important area of multimedia processing.
声学处理和回声控制拾音和重放是多媒体处理的一个重要领域。
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Los Angeles street artist Shepard Fairey poses for a picture with his Barack Obama Hope artwork in the Echo Park area of Los Angeles on Monday, Jan. 12, 2009.
Methods in the computer simulation of the ultrasound color flow imaging, flow signals are obtained by accumulating all the echo signals of scatterers in the imaging area.