强制 iPhone 通过扬声器输出，同时从耳机麦克风录音 [英] Force iPhone to output through the speaker, while recording from headphone mic

问题描述

据我所知，每当您覆盖 iPhone 中的音频路由时，您都必须同时更改输出和输入路由.我知道的唯一可用路线是:

As far as I've been able to tell, whenever you override an audio route in the iPhone, you have to change both the output AND input routes together. The only available routes I'm aware of are:

耳机"耳机"扬声器"扬声器和麦克风"耳机和麦克风"耳机进出"接收器和麦克风"排队"

"Headset" "Headphone" "Speaker" "SpeakerAndMicrophone" "HeadphonesAndMicrophone" "HeadsetInOut" "ReceiverAndMicrophone" "Lineout"

有没有办法从线路输入/耳机输入录音并通过扬声器播放?

Is there any way to record from the line input/headset in and play through the speaker?

推荐答案

在与 Coreaudio 邮件列表上的 Apple 工程师交谈后，我发现目前无法使用单个 RemoteIO 音频单元来完成此操作.

After talking with Apple engineers on the Coreaudio mailing list, I've found it's not currently possible to do this with a single RemoteIO audio unit.

我将尝试实例化两个音频单元，一个用于播放，另一个用于获取，但我不抱希望.我们会看到的.

I'm going to try to instantiate two audio units, one for playing, the other for acquisition, but I'm not hopeful. We shall see.

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