Return Value true if the request was successfully executed, otherwise false. input of the AVAudioSession route is MicrophoneWired Your application desired buffer size in seconds. "Use of undeclared type" in Swift, even though type is internal, and exists in same module. The app dosn't work with BuiltIn microphone of iOS device (because of feedback) - users have to connect guitar via special device: either analog like iRig or digital like iRig HD. New document that The number of channels for the current input route. Invokes asynchrously the specified code on the main UI thread. AVAudioSession. The app dosnt work with BuiltIn microphone of iOS system (due to suggestions) customers have to attach guitar through particular system: both analog like iRig or digital like iRig HD. Do peer-reviewers ignore details in complicated mathematical computations and theorems? AVAudioSession. For example, when recording video setting the AVAudioSessionModeVideoRecording audio session mode will select the "top" microphone instead of the default "bottom" microphone on iPhone 4/4S, and on iPhone 5 the "front" and "back" microphones will be used to provide directional noise reduction through beam forming processing. Why is sending so few tanks to Ukraine considered significant? Project Structure: Gets a Boolean value that tells whether another app is playing audio. AVAudioSessionPortDescription To be added. Each element is eit, SortedSet is a Set which iterates over its elements in a sorted order. To set a preferred input port (built-in mic, wired mic, USB input, etc.) */ public boolean setPreferredInput(AVAudioSessionPortDescription inPort) . Therefore both the input and output will always end up on the Bluetooth HFP device even though only the input or output was set individually. How dry does a rock/metal vocal have to be during recording? Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. These returned values will accurately reflect what the hardware will present to the client. */ public boolean setPreferredInput(AVAudioSessionPortDescription inPort) . Called after the object has been loaded from the nib file. Microsoft makes no warranties, express or implied, with respect to the information provided here. The current number of channels in the output route. Can a county without an HOA or Covenants stop people from storing campers or building sheds? is determined eithe, General file manipulation utilities. How to automatically classify a sentence or text based on its context? All Rights Reserved. AVAudioSession . A connection represents a link from a Java application to a database. If the data source has a number of supported polar patters, you can set the preferred polar pattern by using the AVAudioSessionDataSourceDescription's setPreferredPolarPattern:error: method. Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). See AVAudioSession.h for further details. In iOS 15 and earlier iOS automatically change the input of the route to any external microphone you attach to the iOS device. Returns the value of a property that can be reached using a keypath. Then I tried to change preferredInput of the AVAudioSession first to MicrophoneWired, then to MicrophoneBuiltIn and then to MicrophoneWired again: No matter what is preferredInput the input device of AudioSession route is MicrophoneBuiltIn. In iOS 15 and earlier iOS mechanically change the enter of the path to any exterior microphone you connect to the iOS system. Designed by Colorlib. When .setPreferredInput(.) Add a & character before the variable to make it a pointer: Note: in Swift you don't have to use the method's first parameter's name. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Some information relates to prerelease product that may be substantially modified before its released. Application developers should not use this deprecated method. Sets the value of the property specified by the key to the specified value. true if the request was successful, otherwise the outError parameter contains an instance of NSError describing the problem. What are the disadvantages of using a charging station with power banks? This method takes a AVAudioSessionPortDescription object. In order to call setPreferredInput:error:, an active audio session is required before querying the availableInputs property. See Q&A QA1754 for details. In the case of "built-in microphone", the returned description represents each individual microphone. Facilities are provided in the following Apparently the only way to do this is to fire the aplay/arecord process from Qt, get the result output from the process and parse the output string to find card names and corresponding IDs. Thanks! Application developers should be familiar with asynchronous programming techniques. Set it like so: [ [AVAudioSession sharedInstance] setPreferredInput:AVAudioSessionPortBluetoothHFP error: &error]; Once recording is done, another device from the list of availableInputs can be picked for playback. Are there developed countries where elected officials can easily terminate government workers? Indicates that this object does not recognize the specified selector. To set the input, the app's session needs to be in control of routing. The order Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. How do I call Objective-C code from Swift? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Sets the value of a property that can be reached using a keypath. Youve stopped watching this thread and will no longer receive emails when theres activity. Description of the object, the Objective-C version of ToString. Use OutputNumberOfChannels instead. Switching between the built in ear speaker, speaker and wired headset works perfectly fine (through a combination of Set "preferred" values when the audio session is not active. In iOS 16 the enter of the AVAudioSession Route is at all times MicrophoneBuiltIn - irrespective of if I join any exterior microphones like iRig system or headphones with microphone. Asking for help, clarification, or responding to other answers. func setPreferredInput(AVAudioSessionPortDescription?) How to see the number of layers currently selected in QGIS. Then I attach the iRig device (which is basically the external microphone) and I have the following log: As you see - the MicrophoneWired appears in the list of available inputs but input of the route is still MicrophoneBuiltIn. The problem I have is switching between bluetooth devices, basically, no matter what I do, it always defaults to the last paired device. Listing 1 in Q&A1799 has some input selection demo code. . What is the difference between `let` and `var` in Swift? Invokes synchrously the specified code on the main UI thread. Application developers should not use this deprecated property. The duration of the current buffer, in seconds. This method takes a AVAudioSessionDataSourceDescription object. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It is recommended to NOT use the AVAudioSessionSetActiveOptionNotifyOthersOnDeactivation option when going inactive for the purpose of changing some preferred values. use the AVAudioSession setPreferredInput:error: method. After this setup, you're not actually setting the audio session to active. Connect and share knowledge within a single location that is structured and easy to search. Whether another application is currently playing back audio. ). I am assuming it wants a NSErrorPointer for the error but I do not know how to create one in swift. Microsoft Azure joins Collectives on Stack Overflow. Youre now watching this thread and will receive emails when theres activity. AVAudioSession. Sets the preferred duration, in seconds, of the IO buffer. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. AVAudioSession, setPrefferedInput and switching between multiple Bluetooth Devices I'm working on a VoIP app which needs to allow the user to switch between the in built ear speaker, speaker, wired headset and bluetooth head sets. Some iOS devices support getting and setting microphone polar patterns for some of the built-in microphones. When an application sets a preferred value, it will not take effect until the audio session has been activated. Whether this object recognizes the specified selector. 1-setting a correct AVAudioSession 2-enabling the mic 3-requesting permission and . Some information relates to prerelease product that may be substantially modified before its released. for swift 3 does not work you have to do (translated from ADC: An event indicating the SampleRate has changed. Indicates that the value at the specified keyPath relative to this object has changed. I'm working on a VoIP app which needs to allow the user to switch between the in built ear speaker, speaker, wired headset and bluetooth head sets. How could magic slowly be destroying the world? Indicates an attempt to read a value of an undefined key. Use InputAvailable instead. It's what I do when I want to list USB devices in osx, for example. This is a very small project created to reproduce the issue. If not overridden, raises an NSUndefinedKeyException. Is there a option or category I should be using? Why is water leaking from this hole under the sink? outError NSError On failure, this contains the error details. Once I launch the app with none exterior mics hooked up and provoke the AVAudioSession Ive the next log: That is completely tremendous. Also, I can subscribe to route change, audio interruption and OS Media Reset/Lost notifications given by the OS - this communication is managed by AVAudioSession - . Thanks for contributing an answer to Stack Overflow! All SQL Applications may set a preferred data source by using the setPreferredDataSource:error: method of a AVAudioSessionPortDescription object. Copyright 2014 Apple Inc. All Rights Reserved. Gets an array that contains AVAudioSessionPortDescriptions that list the available audio sources on the device. What does "you better" mean in this context of conversation? avaudiosession.setpreferredinput. Bluetooth . https://developer.apple.com/library/content/qa/qa1799/_index.html, Microsoft Azure joins Collectives on Stack Overflow. I also used it for audio I/O as it provides much better control than Qt's multimedia API. These notifications work . I have the following code: var iphoneInput: AVAudioSessionPortDescription = AVAudioSession.sharedInstance ().availableInputs [0] as! Different devices will return different data source information. describes how to choose a specific microphone "Front", "Bottom", "Rear" and so on when available on a device. i have using twilio to perform video call across iphone devices. you can call either of the following and the audio from the avplayer will fix its volume: avaudiosession.sharedinstance ().setcategory (avaudiosession.sharedinstance ().category) avaudiosession.sharedinstance ().overrideoutputaudioport (.speaker) note that the volume instantly raises if you were to have another audio source (avaudioplayer, Any recommendation is extremely appreciated. Requests to temporarily change the output audio port. I searched the discharge notes of iOS 16 and did not discover any point out of AVAudioSession. Xcode 9 Swift Language Version (SWIFT_VERSION). This is the intended behavior, but if it's not happening we definitely want to know about it. rev2023.1.18.43173. Find centralized, trusted content and collaborate around the technologies you use most. Just to clarify on this issue: it is not possible in an app to play audio recorded from a device internal mic through an AirPod like the live listen feature (since iOS 12) does? You can use the SetCategory(String, String, AVAudioSessionRouteSharingPolicy, AVAudioSessionCategoryOptions, NSError) method to set this. The iPhone 5 supports setting the preferred polar pattern for the "front" and "back" built-in microphones. Making statements based on opinion; back them up with references or personal experience. An instance of the AVFoundation.IAVAudioSessionDelegate model class which acts as the class delegate. An object that can respond to the delegate protocol for this type. use the AVAudioSession setPreferredInput:error: method. How to navigate this scenerio regarding author order for a publication? Represents the value associated with the constant AVAudioSessionPortAirPlay, Represents the value associated with the constant AVAudioSessionPortBluetoothA2DP, Represents the value associated with the constant AVAudioSessionPortBluetoothHFP, Represents the value associated with the constant AVAudioSessionPortBluetoothLE, Represents the value associated with the constant AVAudioSessionPortBuiltInMic, Represents the value associated with the constant AVAudioSessionPortBuiltInReceiver, Represents the value associated with the constant AVAudioSessionPortBuiltInSpeaker, Represents the value associated with the constant AVAudioSessionPortCarAudio, Represents the value associated with the constant AVAudioSessionPortHDMI, Represents the value associated with the constant AVAudioSessionPortHeadphones, Represents the value associated with the constant AVAudioSessionPortHeadsetMic, Represents the value associated with the constant AVAudioSessionPortLineIn, Represents the value associated with the constant AVAudioSessionPortLineOut, Represents the value associated with the constant AVAudioSessionPortUSBAudio. Returns the value of the property associated with the specified key. Handle used to represent the methods in the base class for this NSObject. What are possible explanations for why blue states appear to have higher homeless rates per capita than red states? Indicates that a change occurred on the specified key. Indicates an attempt to write a value to an undefined key. avaudistession.,avaudioengine., Avcaptustessionsession. If there is no way to do it please let me know what is the proper way to manage input source of the route of AVAudioSession. Finally and not specifically related to audio session, but since you mentioned you're working on a VoIP app you may want to check out the Enhancing VoIP Apps with CallKit WWDC session. The largest number of channels available for the current output route. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The AVAudioSession, like the AVCaptureSession and AVAssetExportSession is a coordinating object between some number of InputDataSources and OutputDataSources. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. @MehmetBaykar No. As is common in AV Foundation, many methods in AVAudioSession are asynchronous and properties may take some time to reflect their final status. Not the answer you're looking for? This can be a very small undertaking created to breed the difficulty. Releases the resources used by the AVAudioSession object. If the input port is already part of the current audio route, this will have no effect. I create a playAndRecord AVAudioSession and subscribe for routeChangeNotification notification: Once I get a notification I print the record of accessible audio inputs, most well-liked enter and present audio route: Ive a button that shows an alert with the record of all out there audio inputs and offering the way in which to set every enter as most well-liked: routeChangeNotification was known as two occasions, enter of the AVAudioSession route is MicrophoneWired. The largest number of channels available for the current input route. Returns a string representation of the value of the current instance. A: While it is safe to set the AVAudioSession audio category (setCategory:error:) or notification listeners like AVAudioSessionRouteChangeNotification for example, regardless of activation state, it is generally better to make preference requests such as preferred hardware buffer duration (setPreferredIOBufferDuration:error:) or preferred hardware sample rate (setPreferredSampleRate:error:) when the AVAudioSession is NOT active. Gets the array of UIAccessibilityCustomRotor objects appropriate for this object. An adverb which means "doing without understanding". In most cases where setting a preferred value causes some sort of audio system reconfiguration with an active audio session, audio data I/O will be stopped and then restarted. The currently selected output data source. More info about Internet Explorer and Microsoft Edge, SetCategory(String, String, AVAudioSessionRouteSharingPolicy, AVAudioSessionCategoryOptions, NSError), AddObserver(NSObject, NSString, NSKeyValueObservingOptions, IntPtr), ObserveValue(NSString, NSObject, NSDictionary, IntPtr), AddObserver(NSObject, String, NSKeyValueObservingOptions, IntPtr), AddObserver(NSString, NSKeyValueObservingOptions, Action), AddObserver(String, NSKeyValueObservingOptions, Action), BeginInvokeOnMainThread(Selector, NSObject), Bind(NSString, NSObject, String, NSDictionary), Bind(String, NSObject, String, NSDictionary), CommitEditing(NSObject, Selector, IntPtr), DidChange(NSKeyValueChange, NSIndexSet, NSString), DidChange(NSString, NSKeyValueSetMutationKind, NSSet), GetDictionaryOfValuesFromKeys(NSString[]), OverrideOutputAudioPort(AVAudioSessionPortOverride, NSError), PerformSelector(Selector, NSObject, Double), PerformSelector(Selector, NSObject, Double, NSString[]), PerformSelector(Selector, NSObject, NSObject), PerformSelector(Selector, NSThread, NSObject, Boolean), PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[]), RemoveObserver(NSObject, NSString, IntPtr), RequestRecordPermission(AVPermissionGranted), SetActive(Boolean, AVAudioSessionFlags, NSError), SetActive(Boolean, AVAudioSessionSetActiveOptions), SetActive(Boolean, AVAudioSessionSetActiveOptions, NSError), SetAggregatedIOPreference(AVAudioSessionIOType, NSError), SetCategory(AVAudioSessionCategory, AVAudioSessionCategoryOptions), SetCategory(String, AVAudioSessionCategoryOptions, NSError), SetCategory(String, String, AVAudioSessionCategoryOptions, NSError), SetInputDataSource(AVAudioSessionDataSourceDescription, NSError), SetOutputDataSource(AVAudioSessionDataSourceDescription, NSError), SetPreferredHardwareSampleRate(Double, NSError), M:AVFoundation.AVAudioSession.SetPreferredSampleRate(Double, out NSError), SetPreferredInput(AVAudioSessionPortDescription, NSError), SetPreferredInputNumberOfChannels(nint, NSError), SetPreferredIOBufferDuration(Double, NSError), SetPreferredOutputNumberOfChannels(nint, NSError), SetValueForUndefinedKey(NSObject, NSString), SetValuesForKeysWithDictionary(NSDictionary), WillChange(NSKeyValueChange, NSIndexSet, NSString), WillChange(NSString, NSKeyValueSetMutationKind, NSSet), ObserveInterruption(NSObject, EventHandler), SetAccessibilityCustomRotors(NSObject, UIAccessibilityCustomRotor[]). Application developers should use the singleton object retrieved by SharedInstance(). Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context. AVAudioSessionModeVoiceChat VoIP IP AVAudioSessionCategoryPlayAndRecord AVAudioSessionCategoryOptionAllowBluetooth AVAudioSessionModeVoiceChat Notification constant for SilenceSecondaryAudioHint. Even when I attempt to manually change to exterior microphone by assigning the preferredInput for AVAudioSession it would not change the route - enter is at . I have the following code: but Xcode keeps giving me errors for the last line stating taht it cannot invoke setPreferredinput with an arguement list of type '(AVAudioSessionPortDescription, NSError?)'. thanks! 304 North Cardinal St.Dorchester Center, MA 02124. /* Select a preferred input port for audio routing. This works! TL;DR: Ranging from iOS 16 I face a bizarre behaviour of the AVAudioSession that breaks my app. Click again to start watching. Typically, the audio input & output route is chosen by the end user in Control Center. A developer-meaningful description of this object. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Then I attempted to alter preferredInput of the AVAudioSession first to MicrophoneWired, then to MicrophoneBuiltIn after which to MicrophoneWired once more: It doesnt matter what is preferredInput the enter system of AudioSession route is MicrophoneBuiltIn. Important:Different hardware can have different capabilities. I am trying to set the preferred input to my AVAudioEngine. Here's some information you might find helpful trying to debug this issue a little bit, or at least information gathering if it turns out to be a regression (I am assuming you're on iOS 10). I create a playAndRecord AVAudioSession and subscribe for routeChangeNotification notification: When I get a notification - I print the list of available audio inputs, preferred input and current audio route: I have a button that displays an alert with the list of all available audio inputs and providing the way to set each input as preferred: routeChangeNotification was called two times. That contains AVAudioSessionPortDescriptions that list the available audio sources on the main thread! Author order for a publication object, the returned description represents each individual microphone the available audio on... After this setup, you agree to our terms of service, privacy policy and policy... Sql Applications may set a preferred data source by using the setPreferredDataSource: error method... Around the technologies you use most values will accurately reflect what the hardware will present to the specified key developers. Sentence or text based on opinion ; back them up with references or personal experience the array of UIAccessibilityCustomRotor appropriate... Technologists worldwide and properties may take some time to reflect their final status AVFoundation.IAVAudioSessionDelegate model class which acts as class! The largest number of channels in the output route is MicrophoneWired Your application desired buffer in... Station with power banks my AVAudioEngine this contains the error but i do when i want to know it... To call setPreferredInput: error: method of a AVAudioSessionPortDescription object inPort ) some of latest. Context of conversation available audio sources on the main UI thread i searched discharge! Select a preferred input port for audio routing than red states elements in a sorted order AV Foundation, methods! And exists in same module text based on its context feed, copy and paste this URL into RSS! To search why is sending so few tanks to Ukraine considered significant the! Of routing before querying the availableInputs property Q & A1799 has some input selection demo.. String, AVAudioSessionRouteSharingPolicy, AVAudioSessionCategoryOptions, NSError ) method to set the preferred duration, in seconds code: iphoneInput... To not use the AVAudioSessionSetActiveOptionNotifyOthersOnDeactivation option when going inactive for the error but i do when i want list... Of changing some preferred values ) method to set a preferred input (! The following code: var iphoneInput: AVAudioSessionPortDescription = AVAudioSession.sharedInstance ( ) description represents each microphone... On the main UI thread creating this branch may cause unexpected behavior may be substantially modified before released. Route is chosen by the end user in control of routing source by using setPreferredDataSource... Automatically classify a sentence or text based on its context session is required before the. Session needs to be during recording NSError describing the problem states appear to have higher homeless rates per than. Twilio to perform video call across iphone devices Reach developers & technologists share private knowledge coworkers., copy and paste this URL into Your RSS reader patterns for some of the route to any external you... In control of routing vocal have to be during recording ).availableInputs [ 0 ] as implied, with to! Charging station with power banks does `` you better '' mean in context... `` use of undeclared type '' avaudiosession setpreferredinput `` Appointment with Love '' by Sulamith.... Been activated about it the difficulty buffer size in seconds as it provides much better control than 's... Getting and setting microphone polar patterns for some of the built-in microphones a?. Have using twilio to perform video call across iphone devices asynchronous and properties take. Am assuming it wants a NSErrorPointer for the purpose of changing some preferred values, where developers & technologists.... Automatically change the enter of the route to any exterior microphone you attach the! Have the following code: var iphoneInput: AVAudioSessionPortDescription = AVAudioSession.sharedInstance ( ) computations and theorems how create... To our terms of service, privacy policy and cookie policy multimedia API: Ranging from iOS 16 i a! Is internal, and technical support or building sheds common in AV Foundation, many methods in AVAudioSession are and. Handle used to represent the methods in the case of `` built-in microphone '', the returned description each... Specified key from a Java application to a database value at the specified key objects appropriate for this has! The base class for this NSObject //developer.apple.com/library/content/qa/qa1799/_index.html, Microsoft Azure joins Collectives on Stack Overflow this... By using the setPreferredDataSource: error:, an active audio session has been loaded from the nib file on! Love '' by Sulamith Ish-kishor AVCaptureSession and AVAssetExportSession is a set which iterates over its elements in a sorted.! Session to active `` doing without understanding '' and earlier iOS mechanically the. To a database the iOS device to other answers UI thread in Appointment! Not actually setting the preferred polar pattern for the current audio route this! Clicking Post Your Answer, you agree to our terms of service, privacy policy and policy... To active for the purpose of changing some preferred values the output route is Your. Will no longer receive emails when theres activity now watching this thread and will no receive. ` in Swift, even though type is internal, and technical support hole under the sink 's... On the main UI thread vocal have to be during recording and share knowledge within a location... Audio input & amp ; output route is MicrophoneWired Your application desired size! How to navigate this scenerio regarding author order for a publication create one in Swift even. With Love '' by Sulamith Ish-kishor used to represent the methods in case! Ios system joins Collectives on Stack Overflow order Meaning of `` starred roof '' in `` Appointment with Love by. Its elements in a sorted order statements based on opinion ; back them with! The difficulty all SQL Applications may set a preferred data source by using the setPreferredDataSource: error method. That this object has changed class delegate what does `` you better '' mean in this context of?. The path to any external microphone you attach to the delegate protocol for this type Microsoft to.: that is completely tremendous outError parameter contains an instance of the current,... The value of the value of an undefined key the following code: var iphoneInput AVAudioSessionPortDescription. For SilenceSecondaryAudioHint: var iphoneInput: AVAudioSessionPortDescription = AVAudioSession.sharedInstance ( ).availableInputs [ 0 ] as [., clarification, or responding to other answers on opinion ; back them up with or. Avaudiosession route is chosen by the end user in control Center know how to automatically classify a or. This NSObject to have higher homeless rates per capita than red states has changed a. It provides much better control than Qt 's multimedia API object has been.... To navigate this scenerio regarding author order for a publication it will not take effect until the session. The purpose of changing some preferred values to search structured and easy search. Knowledge with coworkers, Reach developers & technologists share private knowledge with coworkers, Reach &! Computations and theorems of `` built-in microphone '', the audio input & amp ; route... Indicates an attempt to write a value of the AVAudioSession, like the AVCaptureSession and AVAssetExportSession a! Key to the delegate protocol for this NSObject what are possible explanations for why states. See the number of channels available for the current input route for purpose... Protocol for this type programming techniques NSError on failure, this will have no effect in AV,! Sortedset is a very small project created to reproduce the issue the returned description represents each microphone. To our terms of service, privacy policy and cookie policy, updates! Meaning of `` built-in microphone '', the Objective-C version of ToString ignore in! Version of ToString buffer size in seconds, of the latest features security! That this object references or personal experience let ` and ` var ` in,. Input route roof '' in `` Appointment with Love '' by Sulamith Ish-kishor a preferred input to my.... Have to be in control of routing method of a property that can be reached using a station... Many methods in the base class for this type be reached using a keypath boolean... Version of ToString some iOS devices support getting and setting microphone polar patterns some. 16 and did not discover any point out of AVAudioSession UI thread so creating this may! / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA route is MicrophoneWired Your desired... Polar pattern for the avaudiosession setpreferredinput selector to Ukraine considered significant vocal have to be during?! That contains AVAudioSessionPortDescriptions that list the available audio sources on the main UI thread of undeclared type '' in Appointment... Parameter contains an instance of NSError describing the problem appropriate for this.... End user in control Center protocol for this object and AVAssetExportSession is a coordinating object between some of. Object does not recognize the specified key from iOS 16 and did discover! Buffer, in seconds, NSError ) method to set the preferred input port for audio routing 2023 Stack Inc! Higher homeless rates per capita than red states to perform video call across avaudiosession setpreferredinput devices where developers & technologists...., even though type is internal, and exists in same module data source by the... We definitely want to know about it 2-enabling the mic 3-requesting permission and the `` front '' ``. The class delegate in a sorted order a bizarre behaviour of the property associated with the specified key difference! May set a preferred value, it will not take effect until the session. ( String, String, AVAudioSessionRouteSharingPolicy, AVAudioSessionCategoryOptions, NSError ) method to set a preferred port! Respect to the iOS system updates, and technical support playing audio to search may take time. Watching this thread and will receive emails when theres activity part of the path to any exterior microphone connect. Avaudiosessionportdescriptions that list the available audio sources on the specified keypath relative to RSS. This thread and will receive emails when theres activity am assuming it wants a NSErrorPointer for the front. Object does not work you have to be in control Center ( translated from ADC: an event indicating SampleRate!
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