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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
For in-depth explanations of audio development in iOS, see Core Audio Overview, Audio Session Programming Guide, Audio Queue Services Programming Guide, Audio Unit Hosting Guide for iOS, and iPod Library Access Programming Guide. The Basics: Audio Codecs, Supported Audio Formats, and Audio Sessions. To get oriented toward iOS audio development, …
Recording With Audio Queues - Medium
https://medium.com/programming-for-music/recording-with-audio-queues-cf41d274c9ea
When audio queue finishes processing buffer ... This program was mostly inspired by the content of the excellent book Learning Core Audio — A Hands-On Guide to Audio Programming for Mac and iOS ...
Playing Back With Audio Queues. [macOS] — Using …
https://medium.com/programming-for-music/playing-back-with-audio-queues-c8e9137bc850
Audio Queue (in AudioToolbox/AudioQueue.h ). The main API for playing back and recording using a queue. We will use the playing back part of it. Program Logic Playing back some audio from an audio...
The sound muted after playing audio with Audio Queue …
https://stackoverflow.com/questions/30794479/the-sound-muted-after-playing-audio-with-audio-queue-on-ios-for-a-while
1: Loop until there is enough data can be copied to audio queue buffer. do { read_bytes_enabled = g_audio_playback_buf.GetReadByteLen(); if (read_bytes_enabled >= kAudioQueueBufferLength) { break; } usleep(10*1000); } while (true); 2: Copy to AudioQueue Buffer, and enqueue it. This callback function keeps running normally and no error.
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.
CMP | Additional Resources
https://dobrian.github.io/cmp/resources.html
Audio file formats – “Creating AIFF Audio Formatted Files” [and WAVE files] by Paul Bourke. Audio Queue Services Programming Guide – Apple’s model for audio programming in MacOS and iOS "Beyond the Panpot: A Plea for the Depth Dimension – by Alex Case, in Recording magazine, December 1998.
AudioQueue Class (AudioToolbox) | Microsoft Docs
https://docs.microsoft.com/en-us/dotnet/api/AudioToolbox.AudioQueue
AudioQueue is a base class for both the InputAudioQueue which is used to record audio and the OutputAudioQueue which is used to playback audio. This class provides services to start, prime, stop, pause the queues as well as volume control, resource management and event notifications.
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