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专利名称：CORRECTION CIRCUIT AND METHOD FOR A
TWO-WAY LOUDSPEAKER SYSTEM
发明人：MEYER, John, D.,KOHUT, Paul申请号：EP91902836.0申请日：19901227公开号：EP0509048A1公开日：19921021
摘要： An enhancement circuit the transient behavior of a loudspeaker two-waysystem, comprises a transfer circuit (7) of high selectivity, an amplitude correction circuitand phase (4, 5, 10, 15 ) for correcting separately responses in amplitude and phase ofthe high and low frequency driver circuits in their editing environment, and a correctioncircuit (4, 5, 10, 15) for correcting the response composite amplitude and phase of thewhole speaker system, after insertion of the transfer. Another method and anotherphase shift circuit (12) consist in introducing a phase shift depending on the frequency inthe high and low frequency channels (1, 2) of the speaker system in order to shift thephase responses of high and low frequency drivers (11, 13) in the crossover frequencyrange. Depending on the phase shifting technique of the invention is added a phase shift,preferably in the high frequency channel (1), until is forced composite amplitude
response curves observed in axis and at different vertical angles off-axis, to be consistent.Once the consistency obtained, corrects the deterioration of the amplitude responseresulting from the phase shift, until obtaining a flat frequency response by means of anamplitude correction circuit (21) powered series inserted before the transfer (7). Theresult is an improved transient response off-axis as well as in the center.
申请人：MEYER SOUND LABORATORIES, INC.
地址：2832 San Pablo Avenue Berkeley, CA 94702 US
国籍：US
代理机构：Williams, John Francis
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