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objective c - How to use Core Audio's Clock API? - Stack ...
https://stackoverflow.com/questions/7117760/how-to-use-core-audios-clock-api
I'm trying to synchronize a visualizer with an audio-track that's being played with the generator audio unit, subtype audioFilePlayer in an AUGraph. I would like to use Core Audio's Clock API, but I there's not much info out there. I found this, and this. Does anyone know of a good example in english or any docs on this API?
Core Audio Essentials - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html
Core Audio Clock Services supports audio and MIDI synchronization as well as time-base conversions. Audio Format Services (a small API, not shown in the figure) assists with managing audio data formats in your application. Core Audio in iOS supports most of these services, as shown in Figure 1-2.
Introduction into iOS Core Audio. Before starting playing ...
https://blog.devgenius.io/introduction-into-ios-core-audio-1ec9ea15c47c
Core Audio Clock Services supports audio and MIDI synchronization as well as time-base conversions. Audio Format Services assists with managing audio data formats in your application. High Level Service Layer: Audio Queue Services lets you record, play, pause, loop, and synchronize audio.
What Is Core Audio? - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/WhatisCoreAudio/WhatisCoreAudio.html
Most Core Audio services use and manipulate audio in linear pulse-code-modulated (linear PCM) format, the most common uncompressed digital audio data format. Digital audio recording creates PCM data by measuring an analog (real world) audio signal’s magnitude at regular intervals (the sampling rate ) and converting each sample to a numerical ...
Altera University Program Audio core
https://people.ece.cornell.edu/land/courses/ece5760/DE1_SOC/Audio_core.pdf
The Audio core requires certain clock frequencies based on the sample rate of the audio. The University Program’s IP core, Audio Clock for DE-series Boards, can be use to provide those required clock frequencies. The Audio core also requires that the audio chip be initialized with some default values. The University Program’s IO core, Audio
Digital Audio Clocks: How They Work and Why You Need …
https://www.mixonline.com/technology/digital-audio-clocks-how-they-work-and-why-you-need-them-383737
GOOD VIBRATIONS. In order to transduce and transmit audio properly, a digital audio device uses an internal clock that regulates the rate of flow—the sampling frequency—of digital 1s and 0s in its bitstream. The clock typically uses a crystal that physically vibrates when excited by an electric current.
SDK Samples That Use the Core Audio APIs - Win32 apps ...
https://docs.microsoft.com/en-us/windows/win32/coreaudio/sdk-samples-that-use-the-core-audio-apis
RenderSharedTimerDriven. This sample application uses the Core Audio APIs to render audio data to an output device, specified by the user. This sample demonstrates timer-driven buffering for a rendering client in shared mode. For a shared-mode stream, the client shares the endpoint buffer with the audio engine.
Add support for LPASS Core and Audio Clock for SC7280 …
https://lwn.net/Articles/882558/
Add support for LPASS Core and Audio Clock for SC7280. From: Taniya Das <tdas-AT-codeaurora.org> To: Stephen Boyd <sboyd-AT-kernel.org>, Michael Turquette <mturquette-AT-baylibre.com> Subject: [PATCH v3 0/2] Add support for LPASS Core and Audio Clock for …
CoreAudio
http://metric-halo.com/media/legacy_docs/CoreAudio.html
CoreAudio supports a wide variety of audio transport standards. As a practical matter, CoreAudio supports multichannel transport of 24 bit audio via floating point streams at virtually any sample rate. Many hosts only support a small number of sample rates and may not support all of the sample rates that are available with the Mobile I/O hardware.
CrossCore Embedded Studio (CCES) Examples
https://download.analog.com/tools/SWExamples/all_examples.html
This example demonstrates how to use the Asynchronous Rate Converters in conjunction with the ADAU1979 and ADAU1962a (ADC and DAC respectively) and the Precision CLock Generator, to perform an audio playback on the ADSP-SC589 EZ-Kit.
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