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改为扬声器后只能听到电流 #1

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HuaHuaCai opened this issue Dec 4, 2017 · 1 comment

HuaHuaCai commented Dec 4, 2017 •

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请问楼主将AudioSession 该为扬声器播放只有噪音是什么情况？

[audioSession setCategory:AVAudioSessionCategoryPlayAndRecord withOptions:AVAudioSessionCategoryOptionDefaultToSpeaker error:&error];

原因是设置为扬声器播放后，buffer 的size 变为20，而默认听筒播放，buffer size 为64 ，不知道为什么会这样

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finnfu commented Jan 20, 2018

之前自己调试的时候是用的iphone6，后来发现用iphone6s以上系列就会出问题。
发现是因为这个框架回音消除的问题，每次回调的字节数不一样，现在做了调整，应该已经可以了。
谢谢反馈。

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