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objective c - Using Core Audio in Cocoa Classes - Stack ...
https://stackoverflow.com/questions/15259980/using-core-audio-in-cocoa-classes
I have been working through the examples in the Learning Core Audio book. This book does a great job of explaining the API's and how they work, but does not really talk about how to integrate them into Cocoa projects. I really am not sure how to approach mixing the core audio/midi programming with obj-c classes.
Code sample for capturing audio from a Mac in Cocoa and ...
https://newbedev.com/code-sample-for-capturing-audio-from-a-mac-in-cocoa-and-saving-to-file
Code sample for capturing audio from a Mac in Cocoa and saving to file? Working with audio in Mac OS X involves interfacing with Core Audio. For a quick overview, take a look at the Core Audio Overview. You will need to interface with the AUHAL to perform input and output; a technical note exists detailing the steps required to do so.
MacOS Cocoa Audio Code Snippets
https://jgelectronics.nl/source-code/cocoa-audio-snippets.html
Record Audio To File is intended as a Cocoa example and a starting point for Core Audio. It’s based on Apple’s example code Record Audio To File which I used as a starting point. Serial Communication RS232 and RS485 Sometimes you need an old fashion serial interface to receive data from or send data to a device with only a serial port.
The Audio Unit View - Apple
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/TheAudioUnitView/TheAudioUnitView.html
Here’s the Cocoa generic view for the FilterDemo audio unit, one of the sample projects in the Core Audio SDK: The audio unit associated with this view has two continuously variable parameters, each represented in the view by a simple slider along with a text field showing the parameter’s current value.
What Is Cocoa? - Apple Developer
https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/CocoaFundamentals/WhatIsCocoa/WhatIsCocoa.html
For example, Carbon Core has the File Manager, which Cocoa uses for conversions between various file-system representations. Core Graphics. The Cocoa drawing and imaging classes are (quite naturally) closely based on the Core Graphics framework, which implements Quartz and the window server. Launch Services.
What Is Core Audio? - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/WhatisCoreAudio/WhatisCoreAudio.html
Most Core Audio services use and manipulate audio in linear pulse-code-modulated (linear PCM) format, the most common uncompressed digital audio data format. Digital audio recording creates PCM data by measuring an analog (real world) audio signal’s magnitude at regular intervals (the sampling rate ) and converting each sample to a numerical ...
Core Audio Essentials - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html
For a Mac example of using OpenAL in Core Audio, see Services/OpenALExample in the Core Audio SDK. System Sounds: Alerts and Sound Effects. To play short sound files when you do not need level, positioning, audio session, or other control, use System Sound Services, declared in the AudioServices.h header file in the Audio Toolbox framework. This interface is …
SDK Samples That Use the Core Audio APIs - Win32 apps ...
https://docs.microsoft.com/en-us/windows/win32/coreaudio/sdk-samples-that-use-the-core-audio-apis
RenderSharedTimerDriven. This sample application uses the Core Audio APIs to render audio data to an output device, specified by the user. This sample demonstrates timer-driven buffering for a rendering client in shared mode. For a shared-mode stream, the client shares the endpoint buffer with the audio engine.
Core Audio: AUGraph Basics in CocoaLibSpotify - ikennd.ac
http://ikennd.ac/blog/2012/04/augraph-basics-in-cocoalibspotify/
A more advanced example of what you can do with (Cocoa)LibSpotify is my open-source Viva Spotify client. CocoaLibSpotify contains a class called SPCoreAudioController that deals with getting audio data from libSpotify, through a Core Audio AUGraph and to the system audio output. The class also provides an easy way of customising the graph, and this post …
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