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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
    I am new in ios developement.I have downloaded sample audio recorder project from https://github.com/vecter/Audio-Queue-Services-Example using Audio Queue Service with the help of AudioToolBox framework .In that sample project recorded audio format is .aif. while run the downloaded sample project working fine.In the sample example project using how to …

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

Using Audio - Apple Developer

    https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/MultimediaPG/UsingAudio/UsingAudio.html
    iOS offers a rich set of tools for working with sound in your application. These tools are arranged into frameworks according to the features they provide, as follows:. Use the Media Player framework to play songs, audio books, or audio podcasts from a user’s iPod library. For details, see Media Player Framework Reference, iPod Library Access Programming Guide, …

What audio quality is available on newer iPhones? - Ask ...

    https://apple.stackexchange.com/questions/276905/what-audio-quality-is-available-on-newer-iphones
    TL;DR: It appears the iPhone 6 supports 24-bit audio and 48 kHz playback. So I found a way to empirically test playback. This first screenshot shows a recording of playback over iPhone USB into Quicktime. You can see from the spectrogram that there is data in the 22-24k range, which means that playback is at least 48 kHz.

What is the maximum sample rate/bit depth of the iPhone ...

    https://sound.stackexchange.com/questions/15226/what-is-the-maximum-sample-rate-bit-depth-of-the-iphone-for-recording
    I'm 99.9% sure it's 48kHz, 16-bit Mono (or Stereo if you have a plug-in mic of some sort which supports Stereo). I use the FiRe app which is one of the most comprehensive and professional-geared recording apps, and that's the max it supports. On older iPhones like the 3G I believe it was only 44.1kHz.

What is the iPhone Sound Check Setting?

    https://becomethesolution.com/blogs/iphone/iphone-sound-check-setting
    The iPhone Sound Check option will dynamically sample your copied music from iTunes and will attempt to play all your music at the same sample volume. This is helpful if you have songs that play higher or lower volumes than others. To enable the iPhone Sound Check option, go to Settings -> Music -> and toggle on Sound Check to green. Tags: iPhone. Comments.

Core Audio Essentials - Apple Developer

    https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html
    Note: An audio data format describes audio data per se, including such things as sample rate, bit depth, and packetization. An audio file format describes how audio data, audio metadata, and filesystem metadata for a sound file are arranged on disk. Some audio file formats can contain just one sort of audio data format (for instance, an MP3 file can contain only MP3 …

Adjust headphone audio settings on iPhone - Apple Support

    https://support.apple.com/guide/iphone/headphone-audio-iphb80ab7516/ios
    Go to Settings > Accessibility > Audio/Visual > Headphone Accommodations, then turn on Headphone Accommodations. Tap Custom Audio Setup, then follow the onscreen instructions. Or manually set any of the following: Tune Audio For: Choose Balanced Tone, Vocal Range, Brightness, or Audiogram (if available). Level: Choose Slight, Moderate, or Strong amplification …

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
    The iPhone is capable of playing a large number of audio file formats [link to dev center]. But to start with I recommend that you select a file that is known to work. Let’s go back to the JigSaw sample application again. Command-click on the Resources folder in your Xcode project. Select Add > Existing Files.

An iPhone Core Audio brain dump | Time.code()

    http://subfurther.com/blog/2009/04/28/an-iphone-core-audio-brain-dump/
    Audio Queues – C-based API for buffered recording and playback of audio. Since you supply the samples, would work for a net radio player, and for your own formats and/or DRM/encryption schemes (decrypt in memory before handing off to the queue). Inherent latency due to the use of buffers. Audio Units – Low-level C-based API.

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