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公开(公告)号：US10382857B1
公开(公告)日：2019-08-13
申请号：US15939224
申请日：2018-03-28
Applicant: Apple Inc.
Inventor： Sarthak Khanal , Hannes Breitschaedel , Vasu Iyengar
Abstract: An audio electronics system operates on audio data. A low-pass or bandpass filter produces first data from audio data. A level detector produces a time-varying first gain. The first gain is based on a time-varying level of the first data. A harmonics generator receives, as input, the first data adjusted by an inverse of the first gain. The harmonics generator produces second data, as harmonics of the input. A multiplier outputs the second data adjusted by the first gain. Other aspects are also described and claimed.
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