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Core Audio - Sample rate - Apple Community
https://discussions.apple.com/thread/2075664
Applications/Utilities/Audio MIDI Setup Check that the sample rate of the Bluetooth headset is not at 8000 but rather at 44.1. In Logic check that you have the correct audio interface device set up: Logic Pro > Preferences > Audio (Devices) Also check your project's sample rate here: File > Project Settings > Audio
How to sample audio with 16000 or 8000 Hz rate? · Issue ...
https://github.com/muaz-khan/RecordRTC/issues/226
@scm-ns Do not set sampleRate to 8000. Ignore the sampleRate option or set it to correct one (44K usually). The sampleRate is the device sample rate, if it mismatch, recording itself does not work well. desiredSampleRate will re-sample based on recorded results. Hope it is clear. Thanks, Shenghong infinitysiddhu commented on Dec 20, 2017
core audio - iOS Microphone capture LPCM not working …
https://stackoverflow.com/questions/27128817/ios-microphone-capture-lpcm-not-working-for-a-sample-rate-of-8-khz
I am using AudioComponentInstance audioUnit to record microphone on iOS, Liniar PCM, with various sample rates (configurable from app). The weird part is, it is working fine for 11025, 22050 and 44100, but is not working for 8000.
my iOS app using audio units with an 8000 hertz sample ...
https://stackoverflow.com/questions/11690395/my-ios-app-using-audio-units-with-an-8000-hertz-sample-rate-returns-a-distorted
I'm developing an iOS application with audio units, the recorded audio needs to at 8bit / 8000 hertz sample rate using alaw format. How ever I'm getting a distorted voice coming out the speaker. I came across this sample online:
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.
"Sample Rate of (XXXXX) hz cannot be set. Maybe your audio ...
https://www.magix.info/us/forum/sample-rate-of-xxxxx-hz-cannot-be-set-maybe-your-audio-card-is-synchronised-to-an-external-device--920255/
I also tried all the other available MMM sample rates (11,025; 22050; and 32000) and got the same message with the respective sample rate substituted for the "XXXXX". I'm not entirely clear where i'm supposed to set the sample rate in the SB soundcard. I see reference to sample rates is in its Audio HQ or Audio Console ( a later version of ...
The required sample rate (44100Hz) is not supported by …
https://forum.image-line.com/viewtopic.php?t=176235
Re: The required sample rate (44100Hz) is not supported by the CoreAudio driver. What sound output devices are you using? Certain devices such as BT headphones cannot use 44.1khz that FL needs and so you need to create an amalgamated sound device.
Changing audio device sample rate via …
https://social.msdn.microsoft.com/forums/windowsdesktop/en-US/e2e9858f-9bf5-4400-8a4e-570fa3285aad/changing-audio-device-sample-rate-via-pkeyaudioenginedeviceformat-does-not-work
Vista allows to configure the sampling rate of a sound device: Context menu of speaker icon in system tray, menu entry "Recording Devices". Choose handset or headset and click on "Properties". Go to tab "Advanced". By default the sampling rate for a capture device is "1 channel, 16 bit, 44100 Hz (CD Quality)"
What Is Core Audio? - Apple Developer
https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/WhatisCoreAudio/WhatisCoreAudio.html
Core Audio data structures, declared in the CoreAudioTypes.h header file, can describe linear PCM at any sample rate and bit depth. Audio Data Formats goes into more detail on this topic. In OS X, Core Audio expects audio data to be in native-endian, 32-bit floating-point, linear PCM format.
Digital Audio Basics: Audio Sample Rate and Bit Depth
https://www.izotope.com/en/learn/digital-audio-basics-sample-rate-and-bit-depth.html
Other audio sample rates: 48 kHz, 88.2 kHz, 96 kHz, etc. While 44.1 kHz is an acceptable audio sample rate for consumer audio, there are instances in which higher sample rates are used. Some were introduced during the early days of digital audio when powerful anti-aliasing filters were expensive. Moving the Nyquist frequency even higher allows us to place …
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