专利名称：WIRELESS DIGITAL TRANSMISSION OF LOW
FREQUENCY EFFECTS AND SURROUNDCHANNELS FOR SURROUND SOUNDSYSTEM
发明人：CAFFREY, John, Justin申请号：EP04784704.1申请日：20040922公开号：EP1665877A1公开日：20060607
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 surroundchannels. 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：Thomson Licensing
地址：46, quai Alphonse Le Gallo 92100 Boulogne-Billancourt FR
国籍：FR
代理机构：Rittner, Karsten
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