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问题描述
AVAudioRecorder允许录制外部音频。
AVAudioRecorder allows the recording of external audio. However I wish to record the audio made by my application (through numerous AVAudioPlayers), is this possible on the iPhone?
推荐答案
如果我的应用程序（通过许多AVAudioPlayers）录制音频，您想要录制您的iOS应用程序的声音，您必须使用低得多的杠杆API，如音频单元RemoteIO或音频队列与原始PCM音频样本。
If you want to record the sounds your iOS app makes, you have to use a much lower lever API, such as Audio Unit RemoteIO, or Audio Queues with raw PCM audio samples.
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