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iPhone SDK: Audio Queue not loud enough for me - Stack ...
https://stackoverflow.com/questions/3470873/iphone-sdk-audio-queue-not-loud-enough-for-me
iPhone SDK: Audio Queue not loud enough for me. Ask Question Asked 11 years, 5 months ago. Active 11 years, 3 months ago. Viewed 600 times 1 1. I would like all the tricks into making the playback as loud as possible on my iPhone app. I'm recording using Audio Queue and am not sure if there is a way to make the input louder.
Audio Queue Services - Apple Developer
https://developer.apple.com/documentation/audiotoolbox/audio_queue_services
Audio Queue Services enables you to record and play audio in linear PCM, in compressed formats (such as Apple Lossless and AAC), and in other formats for which users have installed codecs. Audio Queue Services also supports scheduled playback and synchronization of multiple audio queues and synchronization of audio with video. Note
iPhone SDK Smaller CAF files: lower recording quality …
https://stackoverflow.com/questions/1321136/iphone-sdk-smaller-caf-files-lower-recording-quality-with-audio-queues
In my iPhone app I have voice recording functionality the utilizes Audio Queue voice recording functions of the SDK. I'm saving directly to CAF format and using the following settings for the AudioStreamBasicDescription reference: audioFormat.mFormatID = kAudioFormatLinearPCM; I can see that there are other format ids I could use like:
How To Play Audio With The iPhone SDK » The App Business Blog
http://iphoneincubator.com/blog/tutorial/how-to-play-audio-with-the-iphone-sdk
Now we need some code to play the audio file. Add this at the top of your file: #import "AudioFX.h". Then use this code where you want to play the audio file: AudioFX *audio = [ [AudioFX alloc] initWithPath:@"Completed.caf"]; ; “Completed.caf” is the name of the audio file that you added as a resource to your project.
Core Audio Essentials - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html
You create a playback audio queue object using the AudioQueueNewOutput function. To create an audio queue object for playback, perform these three steps: Create a data structure to manage information needed by the audio queue, such as the audio format for the data you want to play. Define a callback function for managing audio queue buffers.
AudioQueue Class (AudioToolbox) | Microsoft Docs
https://docs.microsoft.com/en-us/dotnet/api/AudioToolbox.AudioQueue
Allocates an audio queue object for variable-bit-rate buffers. CreateProcessingTap(AudioQueueProcessingTapDelegate, AudioQueueProcessingTapFlags, AudioQueueStatus) Creates a processing tap in the AudioQueue. CreateTimeline() Creates a timeline object that can be used to track discontinuities in the audio queue's audio. Dispose()
iPhone SDK Application Development - O'Reilly
https://www.oreilly.com/library/view/iphone-sdk-application/9780596156282/ch06.html
Making a Racket: Audio Toolbox and AVFoundation. The AVFoundation framework was introduced in version 2.2 of the iPhone SDK, and provides functionality for playing and mixing sound files, metering, and basic audio control. If you’re adding simple sounds to your application, this framework can be implemented quickly and painlessly.
Audio on the iPhone
https://www.py4u.net/discuss/1597133
Audio Queue Services can loop samples, but the only way I could find to adjust the playback frequency of a sample was to re-read the data from the file -- very painful. Plus, the framework is tremendously cumbersome - I'd only use it if I …
Playing back audio buffer on iOS using Swift (AudioQueue)
https://groups.google.com/g/iphonesdkdevelopment/c/MqHEYovsiSw
I'm working on a iOS project where I need to output a few seconds of audio samples. Those are not from a file but generated, it is a pointer to a bunch of Double values. I have found a framework that seems to be able to do this, AudioQueue.
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