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Core Audio: kAudioOutputUnitProperty_SetInputCallback …
https://stackoverflow.com/questions/16146614/core-audio-kaudiooutputunitproperty-setinputcallback-on-a-non-remoteio-unit
Configure a callback on the output (bus 0) of the RemoteIO Audio Unit (instead of the filter unit or input bus), but in that RemoteIO callback, pull (render) from the filter unit.
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/1534116-i_o_audio_unit_properties/kaudiooutputunitproperty_setinputcallback
When an output unit has been enabled for input operation, this callback can be used to provide a single callback to the host application from the input I/O proc, in order to notify the host that input is available and may be obtained by calling the AudioUnitRender function. Declaration kAudioOutputUnitProperty_SetInputCallback = 2005
An iPhone Core Audio brain dump | Time.code()
http://subfurther.com/blog/2009/04/28/an-iphone-core-audio-brain-dump/
To set up a software renderer to provide a unit with samples, you don’t call some sort of a setRenderer () method, you set the kAudioUnitProperty_SetRenderCallback property on the unit, providing a AURenderCallbackStruct struct as the property value. Setting a property on an audio unit requires declaring the “scope” that the property applies to.
AVAudioEngineでエコキャン実装 (with ... - skyplace
https://soranoba.net/programming/voice-porocessing-with-avaudioengine
このようなログが大量に吐かれた場合はkAudioUnitProperty_SetRenderCallbackにcallbackを指定していない時なので、なんらかのcallbackを指定すると解消されるようです。 音が断続的になる. 次の記事に書きました. 参考文献. twilio/video-quickstart-ios
SoundCard/coreaudio.py at master · bastibe/SoundCard - …
https://github.com/bastibe/SoundCard/blob/master/soundcard/coreaudio.py
The data will be returned as a frames × channels float32 numpy array. This function will wait until numframes frames have been recorded. If numframes is given, it will return exactly `numframes` frames, and buffer the rest for later. If numframes is None, it …
Using VoiceProcessingIO for echo c… | Apple Developer Forums
https://developer.apple.com/forums/thread/66953
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iOS音频编程之变声处理 - 简书 - jianshu.com
https://www.jianshu.com/p/2b877e8d2b18
这张图蓝色框中的部分就是一个I/O Unit(AudioComponentInstance的实例).图中的Element 0连接Speaker,也叫Output Bus;Element 1连接Mic,也叫Input Bus.初始化它，就是对再这些Bus上的音频流的格式，设置输入输出的回调函数等。. UInt32 enable = 1; AudioUnitSetProperty(_toneUnit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, …
Core audio tips
https://www.audiodog.co.uk/blog/2013/12/18/core-audio-tips/
That said, setting up the callbacks for providing samples to or getting them from a unit take global scope, as their purpose is implicit from the property names: kAudioOutputUnitProperty_SetInputCallback and kAudioUnitProperty_SetRenderCallback. Michael Tyson wrote a vital blog on recording with RemoteIO that is required reading if you …
Swiftを使用してiOSでオーディオを同時に録音および再生するに …
https://www.javaer101.com/ja/article/20910963.html
user6278161 Objective-Cでは、録音と再生. Objective-Cでは、オーディオの録音と再生を同時に行うのは非常に簡単です。
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