发明名称 Audio device with a voice coil channel and a separately amplified telecoil channel
摘要 A portable audio device has a voice coil audio signal processor in which a desired audio content signal is combined with an anti-noise signal produced by an active noise cancellation block. A voice coil amplifier receives a volume setting and is coupled to an output of the voice coil audio signal processor. A speaker is coupled to an output of the voice coil amplifier. In addition, a telecoil audio signal processor also receives the desired audio content, and feeds a telecoil amplifier that receives a telecoil coupling strength setting, followed by a telecoil. Other embodiments are also described and claimed.
申请公布号 EP2651150(A3) 申请公布日期 2015.04.22
申请号 EP20130163054 申请日期 2013.04.10
申请人 APPLE INC. 发明人 DAVE, RUCHIR M.;CHEN, SHAOHAI
分类号 H04R25/00;H04R3/00 主分类号 H04R25/00
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