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Audio - Apple Developer

    https://developer.apple.com/audio/
    Audio Files and Format Conversion. Open, read, and write to audio files. Convert between different sample rates from your app. Sample Code. Audio Toolbox Convert File; Audio Converter File Convert Test; Extended Audio File Conversion …

OTAudioFormat - iOS SDK reference | Vonage Video API …

    https://tokbox.com/developer/sdks/ios/reference/Classes/OTAudioFormat.html
    Defines the format of the audio when a custom audio driver is used. Note that on iOS devices, specify a sample rate of 32, 16, or 8 kHz (32000, 16000, or 8000); do not use a sample rate of 44.1 kHz on iOS devices. On the simulator, however, the sampling rate must be 44.1 kHz (44100) in order to properly capture and render audio. Currently, the only available sample format is …

Using Audio - Apple Developer

    https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/MultimediaPG/UsingAudio/UsingAudio.html
    Audio File Stream Services parses audio packets and metadata from common audio file container formats in a network bitstream. You can also use it to parse packets and metadata from on-disk files. In iOS, you can parse the same audio file and bitstream formats that you can in Mac OS X, as follows: MPEG-1 Audio Layer 3, used for .mp3 files

The Audio Unit - Apple Developer

    https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/TheAudioUnit/TheAudioUnit.html
    This method, from the AUKernelBase class, is declared in the AUEffectBase.h header file in the SDK. In instrument units built using the SDK, the audio generation work takes place in a method called Render, defined in the AUInstrumentBase class. In an effect unit, processing starts when the unit receives a call to its Process method. This call typically comes …

iOS SDK: Playing Touch Tones with the Audio Toolbox …

    https://code.tutsplus.com/tutorials/ios-sdk-playing-touch-tones-with-the-audio-toolbox-framework--mobile-5579
    iOS SDK: Playing Touch Tones with the Audio Toolbox Framework Step 1: Import the AudioToolbox Framework. We'll need to begin by importing the Audio Toolbox framework into our... Step 2: Import the Touch Tone WAV Files. Download and open the source code attached to this Mobiletuts+ post and find... ...

Supported Audio File and Data Formats in OS X

    https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/SupportedAudioFormatsMacOSX/SupportedAudioFormatsMacOSX.html
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iOS Audio and Video - iOS Tutorial | Intellipaat.com

    https://intellipaat.com/blog/tutorial/ios-tutorial/ios-audio-video/
    Working on iOS Audio and Video Creation. The AV Foundation framework on the iOS SDK permits developers to play and record audio and video with simplicity. In addition the Media Player framework permits developers to play audio and video files.

How to save just raw PCM to file with iOS SDK (Core …

    https://stackoverflow.com/questions/35161632/how-to-save-just-raw-pcm-to-file-with-ios-sdk-core-audio
    The extended audio file services APIs are quite configurable. After opening an audio file to read (ExtAudioFileOpenURL) you can set various properties on the ExtAudioFileRef handle.In your case consider setting kExtAudioFileProperty_ClientDataFormat.This property controls the format of the PCM data read from the file. As ExtAudioFileRead decodes the input file, it will convert the data …

Core Audio Essentials - Apple Developer

    https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html
    CAF Files. iOS and OS X have a native audio file format, the Core Audio Format (or CAF) file format. The CAF format was introduced in OS X v10.4 “Tiger” and is available in iOS 2.0 and newer. It is unique in that it can contain any audio data format supported on a platform.

Playing Audio on iOS 7 using AVAudioPlayer - Techotopia

    https://www.techotopia.com/index.php/Playing_Audio_on_iOS_7_using_AVAudioPlayer
    The iOS 7 SDK provides a number of mechanisms for implementing audio playback from within an iOS application. The easiest technique from the perspective of the application developer is to use the AVAudioPlayer class which is part of the AV Foundation Framework. This chapter will provide an overview of audio playback using the AVAudioPlayer class. Once the basics have been …

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