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iphone - AudioUnit Input Samples - Stack Overflow
https://stackoverflow.com/questions/11213920/audiounit-input-samples#:~:text=Try%20casting%20the%20samples%20like%20this%3A%20SInt16%20%2Asn16AudioData%3D,min%20values%3A%20%23define%20sn16_MAX_SAMPLE_VALUE%2032767%20%23define%20sn16_MIN_SAMPLE_VALUE%20-32768
iphone - AudioUnit Input Samples - Stack Overflow
https://stackoverflow.com/questions/11213920/audiounit-input-samples
If I remember correctly, the samples you get from the audio buffer in the callback aren't floats, they're SInt16. Try casting the samples like this: SInt16 *sn16AudioData= (SInt16 *)(bufferList.mBuffers[0].mData); And these should be the max and min values: #define sn16_MAX_SAMPLE_VALUE 32767 #define sn16_MIN_SAMPLE_VALUE -32768
Xamarin.iOS - AudioUnitV3Example: A Basic AudioUnit ...
https://docs.microsoft.com/en-us/samples/xamarin/ios-samples/ios9-filterdemoapp/
The Audio Unit Extensions API introduces a mechanism for developers to deliver AudioUnits to users on iOS. The same API is available on both iOS and OS X, and provides a bridging mechanism for existing version 2 AudioUnits to coexist in existing AudioUnit host applications, and in future version 3 hosts. Build Requirements. Building this sample ...
Using Audio - Apple Developer
https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/MultimediaPG/UsingAudio/UsingAudio.html
You can find sample code in the Audio UI Sounds (SysSound) sample in the iOS Dev Center. Note: Sounds played with System Sound Services are not subject to configuration using your audio session. As a result, you cannot keep the behavior of System Sound Services audio in line with other audio behavior in your application.
Xamarin.iOS - iPhone Multichannel Mixer test - Code …
https://docs.microsoft.com/en-us/samples/xamarin/ios-samples/multichannelmixer/
Demonstrates how to build an Audio Unit Graph connecting a Multichannel Mixer instance to the RemoteIO unit. Two input busses are created each with input volume controls. An overall mixer output volume control is also provided and each bus may be enabled or disabled. Based on Apple's iOS 6.1 Sample.
Creating Custom Audio Effects - Apple Developer
https://developer.apple.com/documentation/audiotoolbox/audio_unit_v3_plug-ins/creating_custom_audio_effects
The macOS sample packages all of the Audio Unit’s code into the AUv3FilterFramework target. You indicate that the extension’s code exists in a separate bundle by adding an AudioComponentBundle extension attribute to the target’s Info.plist file. <key>NSExtension</key> <dict> <key>NSExtensionAttributes</key> <dict> <key>AudioComponentBundle</key> …
Audio - Apple Developer
https://developer.apple.com/audio/
Use the Core Audio framework to interact with device’s audio hardware. Sample Code. Creating an Audio Server Driver Plug-in; Building an Audio Server Plug-in and Driver Extension; Performance. How to fine tune and achieve the best performance in your audio applications. Documentation. Understanding Audio Workgroups
Decibel metering from an iPhone audio unit | Politepix
https://www.politepix.com/2010/06/18/decibel-metering-from-an-iphone-audio-unit/
Audio Units are a little bit less forgiving than Audio Queues in their setup, and they have a few more low-level settings that need to be accounted for, and they are a little less documented than Audio Queues, and their sample code on the developer site (Auriotouch) is a little less transparent than the one for Audio Queues (SpeakHere), all of ...
What Is Core Audio? - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/WhatisCoreAudio/WhatisCoreAudio.html
A reference audio unit hosting application (AU Lab). The AU Lab application is essential for testing audio units you create, as described in Audio Units. Sample code to load and play audio files (PlayFile) and MIDI files (PlaySequence). This document points to additional examples in the Core Audio SDK that illustrate how to accomplish common tasks.
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