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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

Core Audio Essentials - Apple Developer

https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html

Creating an Audio Queue Object. To use Audio Queue Services, you first create an audio queue object—of which there are two flavors, although both have the data type AudioQueueRef. You create a recording audio queue object using the AudioQueueNewInput function. You create a playback audio queue object using the AudioQueueNewOutput function.

GitHub - tomisacat/AudioQueueTutorial: Demo about how …

https://github.com/tomisacat/AudioQueueTutorial

Demo about how to use AudioQueue to play/record audio. Written in Swift. - GitHub - tomisacat/AudioQueueTutorial: Demo about how to use AudioQueue to …

Audio Queue Services - dribin.org

https://www.dribin.org/dave/resources/files/2010/ipdcchi_Dribin_AudioQueue.pdf

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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.

使用Audio Queue Services录制和播放音频 - 简书

https://www.jianshu.com/p/beaef8a0321b

使用Audio Queue Services录制音频. 录制流程. 这里简单介绍一下录制的时候audio queue和硬件以及callback交互的步骤：. 硬件采集音频数据，将它填充到空的buffer中. audio queue将填充的数据告诉callback，硬件继续采集音频数据. 在callback中可以将数据存起来或者发 …

Audio-Queue-Services …

https://github.com/vecter/Audio-Queue-Services-Example/blob/master/AudioQueueServicesExample/AudioRecorderAppDelegate.m

&playState. queue); if (status == 0) {// Allocate and prime playback buffers: playState. playing = true; for (int i = 0; i < NUM_BUFFERS && playState. playing; i++) {AudioQueueAllocateBuffer (playState. queue, 16000, &playState. buffers [i]); AudioOutputCallback (&playState, playState. queue, playState. buffers [i]);} status = AudioQueueStart (playState. queue, NULL);

A&P on tour – This is for anyone who wants to follow our ...

https://pollymcd.wordpress.com/

The queue to get in, even at 8:30 was crazy but very efficient and fast moving. All luggage was scanned and most things had to be left behind- even my water! The queue moved quickly and when you got to the building we knew why, the guards looking after he body were very good at moving you on at a good pace and making sure you walked in pairs to ...

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