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AudioProcessingUnit

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ios - AVAudioEngine实时调频

我想实时修改传入信号并将其发送到iOS设备扬声器。我读过AVAudioEngine可用于此类任务。但是找不到我想要实现的目标的文档或示例。为了测试目的,我做了:audioEngine=AVAudioEngine()letunitEffect=AVAudioUnitReverb()unitEffect.wetDryMix=50audioEngine.attach(unitEffect)audioEngine.connect(audioEngine.inputNode,to:unitEffect,format:nil)audioEngine.connect(unitEffect,to:au