专利名称:Wireless digital transmission of low
frequency effects and surround channels forsurround sound system
发明人:John Justin Caffrey申请号:US10570065申请日:20040922公开号:US08340313B2公开日:20121225
专利附图:
摘要:A subwoofer is equipped with a wireless receiver to receive signals containinginformation for a Low Frequency Effects (LFE) channel and information for both surround
channels. In one form, the LFE is added to one or both surround channels to provide astereo surround signal (containing both surround channels) including a multiplexed LFEchannel. The subwoofer utilizes the LFE channel, powers surround speakers, and passesthe surround signals to respective surround speakers. A receiver multiplexes LFE signalsinto either one or both surround sound audio channels. A digital RF transmitter of thereceiver transmits the combined subwoofer/surround channels to the wireless receiver ofthe subwoofer. The remote subwoofer is connected to a power source. The surroundspeakers are connected to the subwoofer so as to receive the surround channels and bepowered thereby.
申请人:John Justin Caffrey
地址:Indianapolis IN US
国籍:US
代理人:Robert D. Shedd,Reitseng Lin
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