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公开(公告)号：US20170064483A1
公开(公告)日：2017-03-02
申请号：US14839782
申请日：2015-08-28
Applicant: Apple Inc.
Inventor： Daniel K. Boothe , David C. Breece, III , Adrien N. Haage
CPC classification number: H03F3/183 , H03F3/2173 , H03F3/68 , H03F2200/03 , H04R5/04 , H04R2420/01 , H04R2499/11
Abstract: An audio amplifier circuit that is to receive three audio channel signals as inputs. A first amplifier has a first pair of outputs one of which produces a first combination sum of the three audio channel signals, and the other produces a second, different combination sum of the three audio channel signals. A second amplifier has a second pair of outputs one of which produces a third, different combination sum of the three audio channel signals and the other produces a fourth, different combination sum of the three audio channel signals. Other embodiments are also described and claimed.
Abstract translation: 一个音频放大器电路，用于接收三个音频通道信号作为输入。 第一放大器具有第一对输出，其中一个输出产生三个音频通道信号的第一组合和，另一个产生三个音频通道信号的第二个不同的组合和。 第二放大器具有第二对输出，其中一个输出产生三个音频通道信号的第三个不同的组合和，另一个产生三个音频通道信号的第四个不同的组合和。 还描述和要求保护其他实施例。
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公开(公告)号：US09787257B2
公开(公告)日：2017-10-10
申请号：US14839782
申请日：2015-08-28
Applicant: Apple Inc.
Inventor： Daniel K. Boothe , David C. Breece, III , Adrien N. Haage
CPC classification number: H03F3/183 , H03F3/2173 , H03F3/68 , H03F2200/03 , H04R5/04 , H04R2420/01 , H04R2499/11
Abstract: An audio amplifier circuit that is to receive three audio channel signals as inputs. A first amplifier has a first pair of outputs one of which produces a first combination sum of the three audio channel signals, and the other produces a second, different combination sum of the three audio channel signals. A second amplifier has a second pair of outputs one of which produces a third, different combination sum of the three audio channel signals and the other produces a fourth, different combination sum of the three audio channel signals. Other embodiments are also described and claimed.
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