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iOS: Using Bluetooth audio output …
https://stackoverflow.com/questions/14601517/ios-using-bluetooth-audio-output-kaudiosessionproperty-overridecategoryenableb
If you have a Bluetooth headset connected, then it is true. You will need both kAudioSessionCategory_PlayAndRecord audio session set and kAudioSessionProperty_OverrideCategoryEnableBluetoothInput set to have audio play out of a Bluetooth headset. EnableBluetoothInput affects both input and output according to this. Also …
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1618427-audio_session_categories/kaudiosessioncategory_playandrecord
kAudioSessionCategory_PlayAndRecord = 'plar' Discussion. Your audio continues with the Silent switch set to silent and with the screen locked. (The switch is called the Ring/Silent switch on iPhone.) This category is appropriate for simultaneous recording and playback, and also for apps that record and play back but not simultaneously.
Audio to bluetooth headset on iOS - MacOSX and iOS - JUCE
https://forum.juce.com/t/audio-to-bluetooth-headset-on-ios/8698
“This property affects the kAudioSessionCategory_PlayAndRecord category as follows: If the audio input to the device is coming from a Bluetooth headset, setting this property to TRUE results in audio output also going to the Bluetooth headset.” I can’t test right now, my already ordered bluetooth headset is still on its way from Amazon.
Topic: Flite in background | Politepix
https://www.politepix.com/forums/topic/flite-in-background/
audioCategory is now on the correct setting of kAudioSessionCategory_PlayAndRecord. bluetoothInput is incorrect, we will change it. bluetooth input is now on the correct setting of 1. categoryDefaultToSpeaker is incorrect, we will change it. CategoryDefaultToSpeaker is now on the correct setting of 1.
Photon Voice: Photon.Voice.IOS Namespace Reference ...
https://documentation.help/PhotonVoice/namespace_photon_1_1_voice_1_1_i_o_s.html
Only valid with kAudioSessionCategory_PlayAndRecord. Reduces the number of allowable audio routes to be only those that are appropriate for video chat applications. May engage appropriate system-supplied signal processing. Has the side effect of setting AVAudioSessionCategoryOptionAllowBluetooth and …
AVAudioSession - Category、Model、Options、Error参数详解 - …
https://www.jianshu.com/p/ae843162ace1
音频会话的类别和模式一起定义应用打算如何使用音频。. 通常在激活会话之前设置类别和模式。. 但也可在会话处于活跃状态时设置类别模式，但这会导致立即更改。. 建议使用setCategory：mode：options：error：method同时设置它们，而不是单独设置类别和模式属性 ...
Hide Red Recording Status Bar In iOS App When Not Recording
https://www.py4u.net/discuss/1340755
Resolved, see edit 2. The bar will never disappear as long as the mic is in use, recording or not. it's a security measure to allow the user to know that an app is listening to the microphone, not to show that the phone is recording.
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