Audio processing device and audio systems using the same
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United States of America Patent
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Feb 2, 2016
Grant Date -
May 2, 2013
app pub date -
Jul 2, 2012
filing date -
Jul 19, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An audio processing device is provided. The audio processing device includes a shaper. The shaper receives a digital input audio signal and generates an output audio signal at an output terminal according to the digital input audio signal. The shaper includes a gain adjustment unit and a shaping unit. The gain adjustment unit receives the digital input audio signal and adjusts the digital input audio signal to generate a gained audio signal. The shaping unit receives the gained audio signal. When the shaper operates in a first mode, the shaping unit shapes an envelope of the gained audio signal to generate a shaped audio signal, and the shaped audio signal serves as the output audio signal.
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