We have collected the most relevant information on Audiounitsetproperty Audiounitelement. Open the URLs, which are collected below, and you will find all the info you are interested in.
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1440371-audiounitsetproperty
The audio unit property identifier. inScope The audio unit scope for the property. inElement The audio unit element for the property. inData The value that you want to apply to the property. May be NULL (see Discussion). Always pass property values by reference. For example, for a property value of type CFStringRef, pass it as &myCFString.
AUAudioUnit & AudioUnitGetProperty, AudioUnitSetProperty
https://stackoverflow.com/questions/55200436/auaudiounit-audiounitgetproperty-audiounitsetproperty
extern OSStatus AudioUnitGetProperty ( AudioUnit inUnit, AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, void * outData, UInt32 * ioDataSize) Currently there is no AudioUnit class property or inspection on AUAudioUnit. I am not sure how to use AudioUnit properties in AudioUnit v3 framework.
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1439840-audiounitgetproperty
Discussion. Some Core Audio property values are C types and others are Core Foundation objects. If you call this function to retrieve a value that is a Core Foundation object, then this function—despite the use of “Get” in its name—duplicates the object. You are responsible for releasing the object, as described in The Create Rule in ...
Technical Note TN2091: Device input using the HAL …
https://developer.apple.com/library/archive/technotes/tn2091/_index.html
The AudioOutputUnit (AUHAL) unit sits on top of an AudioDevice object as defined in <CoreAudio/AudioHardware.h>. The AUHAL can be used for input and output to an audio device. The AUHAL can be used to capture input from an audio device by following these steps: 1.Open an AUHAL 2.Enable the AUHAL for input.
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/kaudiooutputunitproperty_enableio
An I/O unit’s bus 1 connects to input hardware, such as for recording from a microphone. Input is disabled by default. To enable input, the bus 1 input scope must be enabled, as follows: UInt32 enableInput = 1; // to enable input AudioUnitElement inputBus = 1; AudioUnitSetProperty ( io_unit_instance, kAudioOutputUnitProperty_EnableIO ...
iOS音频(2)——Audio Unit - 简书 - jianshu.com
https://www.jianshu.com/p/9f033d08accb
AudioUnitSetProperty( AudioUnit inUnit, AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, const void * __nullable inData, UInt32 inDataSize) AudioUnitPropertyID 设置属性名称
Bluetooth A2DP as output | Apple Developer Forums
https://developer.apple.com/forums/thread/5787
Just wanted to update this thread from awhile back and mention it is in fact possible (as of iOS 10) to use the iPhone Microphone as input and Bluetooth A2DP headset as audio output at the same time within a single App.
Audio Unit详解 - 简书 - jianshu.com
https://www.jianshu.com/p/8ce865c9bbac
七、AudioUnitSetProperty配置audio unit. AudioUnitProperty是一个键值对。以下是audio unit开发中常用的一些属性： kAudioOutputUnitProperty_EnableIO：用于在I/O unit上启用和禁用input or output。默认情况输出已启用，输入已禁用 kAudioUnitProperty_ElementCount：用于配置mixer unit上输入elements的 ...
AudioUnit播放PCM文件(三) - 简书 - jianshu.com
https://www.jianshu.com/p/847734bec2c1
/** 设置AudioUnit属性 * 1、通过AudioUnitSetProperty * 2、关于remoteIO的element，扬声器对应的AudioUnitElement值为0，app能控制的AudioUnitScope值为kAudioUnitScope_Input；麦克风对应的AudioUnitElement值为1 * app能控制的udioUnitScope值为kAudioUnitScope_Output */ - (void)setAudioUnitProperties { // 开启 ...
AVAudioEngineでエコキャン実装 (with ... - skyplace
https://soranoba.net/programming/voice-porocessing-with-avaudioengine
This audio unit does signal processing on the incoming audio (taking out any of the audio that is played from the device at a given time from the incoming audio). kAudioUnitSubType_VoiceProcessingIO はデバイスからの音声出力を使用して処理を行うようなので、必ずしも同じAudioUnitインスタンスから音を出す必要はありません。 上記の実装 …
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