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Audio Queue Services - Apple Developer
https://developer.apple.com/documentation/audiotoolbox/audio_queue_services
This document describes Audio Queue Services, a C programming interface in the Audio Toolbox framework, which is part of Core Audio. An audio queue is a software object you use for recording or playing audio. An audio queue does the work of: Connecting to audio hardware. Managing memory. Employing codecs, as needed, for compressed audio formats
Using Audio - Apple Developer
https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/MultimediaPG/UsingAudio/UsingAudio.html
Define a callback function for managing audio queue buffers. The callback uses Audio File Services to read the file you want to play. (In iOS 2.1 and later, you can also use Extended Audio File Services to read the file.) Instantiate the playback audio queue using the AudioQueueNewOutput function.
Audio Queue Services Programming Guide
https://daimajiaoliu.com/daima/47e417ef1100408
Audio Queue Services Programming Guide. ... Audio QueueServices Programming Guide is useful to all iOS and Mac OS X developers whowant a streamlined, straightforward way to record or play audio. To get themost from this document, you should be familiar with: C语言 ...
Audio Queue Services Programming Guide | Maxwellqi
https://maxwellqi.github.io/ios-apple-audio-queue/
Audio Queue Services Programming Guide. 2016-12-20. 介绍. Audio Queue服务是比较高级的服务。它可以让你的应用程序使用硬件进行录音和回放音频（如麦克风和扬声器），而不需要知道硬件接口。同时音频队列服务支持一些高级功能。
Audio Queue Services Programming Guide | 權咚领域
https://bqlin.github.io/posts/audio_queue_services_pg_introduction/
本文档介绍了如何使用音频队列服务（Audio Queue Services），这是Core Audio的Audio Toolbox框架中的一个C语言编程接口。 什么是音频队列服务. 在iOS和Mac OS X中，音频队列服务提供了一种直接、低开销的的方式来录制和播放音频。
ios - Audio Queue Service Example using How to record ...
https://stackoverflow.com/questions/18162471/audio-queue-service-example-using-how-to-record-sound-in-mp3-format-in-iphone
The reason behind this is clearly explained in core audio documentation (page no 51 of core audio pdf). iOS contains the recording codecs listed in Table 2-5. As you can see, neither MP3 nor AAC recording is available. This is due to the high CPU overhead, and consequent battery drain, of these formats.
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