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core audio - How to use iOS AudioUnit render callback ...
https://stackoverflow.com/questions/8259944/how-to-use-ios-audiounit-render-callback-correctly
The problem with this AudioUnit is the use of a render callback (as far as I know, the only way to output sound). From Apple's developer documentation: … render callbacks have a strict performance requirement that you must adhere to. A render callback lives on a real-time priority thread on which subsequent render calls arrive asynchronously.
The Audio Unit - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/TheAudioUnit/TheAudioUnit.html
The audio unit calls the callback in the host when it’s ready for more audio data. In contrast, for an audio processing graph connection, the upstream audio unit supplies the render callback. In a graph, the upstream audio unit also sets …
iOS AudioUnit - what determines render callback timing ...
https://www.reddit.com/r/iOSProgramming/comments/s8xt9b/ios_audiounit_what_determines_render_callback/
We feed it samples from an external BLE device after doing some DSP on them via a circular buffer and expect the audio unit to play them back at 8khz. This works well, and the sample input rate is set by the external BLE device (i.e. we send samples to the audio unit as we get them from the device). However, if I read the same samples myself read from a Swift Data object, perform …
AVAudioEngine & render callback | Apple Developer Forums
https://developer.apple.com/forums/thread/22530
Just set the kAudioUnitProperty_SetRenderCallback property on component from the node you want to pass your audio into. That way you can generate your audio into the buffers in …
How to do realtime recording with effect processing on iOS
http://teragonaudio.com/article/How-to-do-realtime-recording-with-effect-processing-on-iOS.html
Install a callback function which will be called when the audio route changes (ie, the user plugs in or disconnects the headset). Handle application pausing and switching. If processing is interrupted and you don’t clear the buffers by zeroing them out, you will get nasty noise (aka the “satan saw”). A word on developing audio on iOS
iOS音频采集过程中的音效实现 - 简书 - jianshu.com
https://www.jianshu.com/p/05cae433faea
1. 背景. iOS系统提供了非常丰富的音频相关的API，涵盖了从采集，处理到播放等各个环节，并且按照需求的层次进行了分组。. 图1. Core Audio Overview. 其中，离底层的驱动和硬件最近的就是 AudioUnit 系列的API，很多其他高层的API，都是对 AudioUnit 的封装. 比如 ...
AudioUnit | Apple Developer Forums
https://developer.apple.com/forums/tags/audiounit
Let’s share our Specific test results: iPhone 11 Pro Max / iOS 13.6.1 / AirPods 2, the sound periodically appears noise and tremor about every 20s, it sounds uncomfortable, and when using the system phone/FaceTime/WeChat call/Zoom test, the effect is the same ； Use the same iPhone as 1 and replace the earphones with AirPods Pro, and the ...
AUImplementorStringFromValueCallback Delegate (AudioUnit ...
https://docs.microsoft.com/en-us/dotnet/api/audiounit.auimplementorstringfromvaluecallback
AUImplementor String From Value Callback Delegate ... AudioUnit Assembly: Xamarin.iOS.dll Assembly: Xamarin.Mac.dll. Important Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here. In this article
AUImplementorDisplayNameWithLengthCallback Delegate ...
https://docs.microsoft.com/en-us/dotnet/api/audiounit.auimplementordisplaynamewithlengthcallback
type AUImplementorDisplayNameWithLengthCallback = delegate of AUParameterNode * nint -> string Parameters node AUParameterNode The parameter node for which to get a possibly …
AUImplementorValueFromStringCallback Delegate (AudioUnit ...
https://docs.microsoft.com/en-us/dotnet/api/audiounit.auimplementorvaluefromstringcallback
Important Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
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